Motors use electromagnetic induction to convert electrical energy into mechanical energy. AC motors have a stationary stator and rotating rotor that interact via magnetic fields generated by alternating currents. DC motors consist of an armature winding and stator winding, with the armature acting as the rotor. Motor starters are used to control motor speed and current during starting to prevent damage. Common motor starters include magnetic, full-voltage, reversing, reduced-voltage, and solid-state starters. Reduced-voltage starters gradually apply voltage during starting for smoother acceleration.
A DC motor converts electrical energy into mechanical energy using the principles that a current carrying conductor placed in a magnetic field experiences a force. It has a stator that houses field windings and a rotor that rotates. There are different types of DC motors including separately excited, series, shunt, and compound motors. Series motors have high starting torque but low speed regulation while shunt motors have low starting torque but good speed regulation, making each suitable for different applications.
1) The document discusses the key parts of a DC generator, including the yoke, pole core, field coils, armature core, armature winding, commutator, brushes and brush holders, and bearings.
2) It describes the function of each part, with the yoke providing a low reluctance path for magnetic flux, the field coils producing flux when excited, the armature winding placed in slots on the armature core, and the commutator facilitating current collection from the armature conductors.
3) The class covered the purpose of each generator component and conducted a quiz to test comprehension.
The document discusses the working principle of a DC generator. It explains that a DC generator converts mechanical energy to electrical energy using electromagnetic induction. When a conductor moves through a magnetic field, an induced current is generated based on Faraday's law of induction. The direction of the induced current can be determined using Fleming's right hand rule. The document then describes how a rectangular loop of conductor rotating inside a magnetic field cuts the magnetic flux, generating an induced current that changes direction based on the loop's position. A commutator is used to ensure the output current flows continuously in one direction to the load.
The document discusses the universal motor, which can operate on both AC and DC power. It has a series-wound construction similar to a DC motor but with laminated magnetic components to reduce eddy currents from AC power. Universal motors are commonly used in appliances like drills, fans, and blenders because they can function using both AC household power and portable DC batteries. The document covers the construction, working principle, characteristics, and common defects of universal motors.
- A Direct On Line (DOL) starter connects the motor directly to the power supply. It consists of fuses, an isolator, contactor, and overload protection. Pressing the start button energizes the contactor coil to close the contacts and start the motor.
- A reversing DOL starter uses two contactors to reverse the motor direction by swapping the phase connections. It has separate start buttons for forward and reverse operation.
- A star-delta starter reduces starting current by initially connecting the motor in star configuration before switching to delta. This allows the motor to start smoothly before applying full voltage once up to speed.
The document provides information about DC motors, including:
- The construction of a DC motor, which includes an armature mounted on a shaft within magnetic poles that provide torque.
- How DC motors work by applying current to the armature within a magnetic field to produce rotational force, with the magnitude of force determined by Fleming's left hand rule.
- Different types of DC motor windings including series, shunt, and compound, and how they affect torque characteristics like starting torque.
- How speed can be controlled through armature or field control, and various losses that occur in DC machines.
1. This document provides an introduction to using formulas and functions in Excel, including the basics of adding, subtracting, multiplying, and dividing in Excel without functions, as well as an overview of more advanced functions like SUM, TODAY, COUNT, and AVERAGE.
2. Key functions introduced include SUM, which totals the values in a range of cells; TODAY, which returns the current date; COUNT, which counts the number of cells in a range that contain numbers; and AVERAGE, which calculates the average of the values in a range.
3. The document explains best practices for using formulas with cell references rather than hard-coded values to allow for easy updating, and demonstrates how to enter functions
Motors use electromagnetic induction to convert electrical energy into mechanical energy. AC motors have a stationary stator and rotating rotor that interact via magnetic fields generated by alternating currents. DC motors consist of an armature winding and stator winding, with the armature acting as the rotor. Motor starters are used to control motor speed and current during starting to prevent damage. Common motor starters include magnetic, full-voltage, reversing, reduced-voltage, and solid-state starters. Reduced-voltage starters gradually apply voltage during starting for smoother acceleration.
A DC motor converts electrical energy into mechanical energy using the principles that a current carrying conductor placed in a magnetic field experiences a force. It has a stator that houses field windings and a rotor that rotates. There are different types of DC motors including separately excited, series, shunt, and compound motors. Series motors have high starting torque but low speed regulation while shunt motors have low starting torque but good speed regulation, making each suitable for different applications.
1) The document discusses the key parts of a DC generator, including the yoke, pole core, field coils, armature core, armature winding, commutator, brushes and brush holders, and bearings.
2) It describes the function of each part, with the yoke providing a low reluctance path for magnetic flux, the field coils producing flux when excited, the armature winding placed in slots on the armature core, and the commutator facilitating current collection from the armature conductors.
3) The class covered the purpose of each generator component and conducted a quiz to test comprehension.
The document discusses the working principle of a DC generator. It explains that a DC generator converts mechanical energy to electrical energy using electromagnetic induction. When a conductor moves through a magnetic field, an induced current is generated based on Faraday's law of induction. The direction of the induced current can be determined using Fleming's right hand rule. The document then describes how a rectangular loop of conductor rotating inside a magnetic field cuts the magnetic flux, generating an induced current that changes direction based on the loop's position. A commutator is used to ensure the output current flows continuously in one direction to the load.
The document discusses the universal motor, which can operate on both AC and DC power. It has a series-wound construction similar to a DC motor but with laminated magnetic components to reduce eddy currents from AC power. Universal motors are commonly used in appliances like drills, fans, and blenders because they can function using both AC household power and portable DC batteries. The document covers the construction, working principle, characteristics, and common defects of universal motors.
- A Direct On Line (DOL) starter connects the motor directly to the power supply. It consists of fuses, an isolator, contactor, and overload protection. Pressing the start button energizes the contactor coil to close the contacts and start the motor.
- A reversing DOL starter uses two contactors to reverse the motor direction by swapping the phase connections. It has separate start buttons for forward and reverse operation.
- A star-delta starter reduces starting current by initially connecting the motor in star configuration before switching to delta. This allows the motor to start smoothly before applying full voltage once up to speed.
The document provides information about DC motors, including:
- The construction of a DC motor, which includes an armature mounted on a shaft within magnetic poles that provide torque.
- How DC motors work by applying current to the armature within a magnetic field to produce rotational force, with the magnitude of force determined by Fleming's left hand rule.
- Different types of DC motor windings including series, shunt, and compound, and how they affect torque characteristics like starting torque.
- How speed can be controlled through armature or field control, and various losses that occur in DC machines.
1. This document provides an introduction to using formulas and functions in Excel, including the basics of adding, subtracting, multiplying, and dividing in Excel without functions, as well as an overview of more advanced functions like SUM, TODAY, COUNT, and AVERAGE.
2. Key functions introduced include SUM, which totals the values in a range of cells; TODAY, which returns the current date; COUNT, which counts the number of cells in a range that contain numbers; and AVERAGE, which calculates the average of the values in a range.
3. The document explains best practices for using formulas with cell references rather than hard-coded values to allow for easy updating, and demonstrates how to enter functions
This document lists 50 keyboard shortcuts in Excel for Windows for navigating cells, making selections, formatting cells, and other frequently used shortcuts. Some examples include using Page Down to move down one screen, Ctrl + Home to go to the beginning of the worksheet, Ctrl + End to go to the last cell, and Ctrl + S to save a spreadsheet.
This document provides information on power projects in Karnataka operated by KPCL, including:
1) Existing projects totaling 6,498.91 MW from hydro (3,652.35 MW), thermal (2,720 MW), diesel (108 MW), wind (4.56 MW), and solar (14 MW).
2) Ongoing projects totaling 2,325 MW from thermal and hydro.
3) New projects totaling 3,120 MW planned from thermal, hydro, and gas.
4) Proposed new projects totaling 3,895 MW planned from hydro and gas.
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S
The document is the Kalaburagi District at a Glance report for 2016-17 published by the District Statistical Office, Kalaburagi.
The report provides key statistics on the district's demography, economy, infrastructure like education, health and transportation. It includes data on population, births and deaths, crops, livestock and other socio-economic indicators. The performance is compared to other districts in the state.
The report was prepared under the guidance of senior statistician Dr. D.R. Suresh, District Statistical Officer, Kalaburagi and other staff of the District Statistical Office for planning purposes.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
This document appears to be a price list from Schneider Electric for its low voltage distribution products. It includes pricing and descriptions for various circuit breakers, switch disconnectors, and accessories. The products are organized by category and range, with sections devoted to Compact NSXm circuit breakers, EasyPact CVS and EZC circuit breakers, ground fault protection devices, Masterpact circuit breakers, and more. Technical specifications, stock statuses, and contact information for ordering are provided.
This document is a price list from Schneider Electric that provides pricing and product information for various electrical distribution and control products effective January 18, 2019. It includes pricing for miniature circuit breakers, residual current devices, surge protection devices, wiring devices, plugs and sockets, enclosures, and lighting and building control systems. The price list provides product references, unit prices, minimum order quantities and other specifications.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
The document provides various tips to save energy in lighting, fans, kitchen appliances, washing machines, air conditioners and electronic devices. Some key tips include:
- Turn off lights and use natural daylight when possible. Replace incandescent bulbs with LED bulbs which last longer.
- Install electronic regulators for ceiling fans and place exhaust fans at a higher elevation than ceiling fans.
- Use appliances with automatic cutoffs and energy efficient settings. Avoid preheating microwaves unnecessarily.
- Only run full loads in washing machines and dryers. Air dry clothes when possible.
- Turn off electronic devices when not in use to avoid idle energy loss. Adjust monitor brightness settings.
- Seal air conditioner
The document is a scanned receipt from a grocery store purchase on January 15th, 2023 for $58.46. It lists the items bought which include milk, eggs, bread, cereal, orange juice, bananas, and ground beef. The payment was made with a credit card ending in 4321.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
M. standard-stock-materials-for-33k v-systemRamesh Meti
This document provides a table listing materials, their unit of measurement (UoM), material code, and proposed CSR rates for 2018-19. It includes items such as transformers, switchgear, circuit breakers, meters, insulators, towers, and hardware for overhead lines. The proposed rates are provided to update prices from 2016-17 and include taxes. There are also several new items added with proposed rates.
The document provides rates for various works related to construction and maintenance of electricity distribution infrastructure. It lists unit rates for activities like digging of pits of different depths in various soil types, erection of poles, fixing of cross arms and insulators, construction of transformer platforms, stringing of conductors, and LT reconductoring works. The rates are provided for financial years 2016-17 and proposed rates for 2018-19.
Some key activities covered are digging of pits for poles up to 2.5m depth, erection of steel, RCC and spun poles up to 11m height, construction of single, double and three pole structures, fixing of cross arms, earthings, guarding and danger signs. Rates
This document provides a table listing the rates of various line materials and labour charges used in cost sheets for general works. It includes rates for items like RCC poles, PCC poles, PSC poles, cross arms, insulators, conductors, transformers, distribution boxes, and labour charges. The rates are listed according to the unit, materials rate without GST, materials rate with GST, and labour charges.
This document outlines the Common Schedule of Rates (SR) for 2018-19 for all electricity supply companies (ESCOMs) in Karnataka. Some key points:
- Material prices are inclusive of taxes and freight costs. Labour charges cover overhead costs but not statutory charges like ESI and PF.
- A committee was formed to develop the common SR, incorporating feedback from ESCOMs.
- Material prices were determined based on weighted average procurement rates, updated using indices. Some rates came from neighboring states or the market.
- Labour charges were increased 10% based on the latest labour index. Special charges remain for hazardous, calamity, or breakdown work.
- Cost data sheets provide estimated
This document provides information about various power generation stations in India including:
- Thermal power stations like RTPS with details on unit capacities, generator voltages and currents, transmission line voltages and ratings.
- Hydel power stations like Bhadra, Mani DPH, Gerusoppa with details on unit capacities, generator voltages and currents, numbers of transmission lines.
- Information is presented station-wise in a table format with columns for station name, unit capacities and details, generator parameters, transmission line voltages and ratings.
Standard stock-materials-for-11k v-systemRamesh Meti
This document contains a schedule of rates for standard stock materials commonly used in 11kV power distribution systems. It lists 99 items, including poles, cross arms, insulators, conductors, clamps and other hardware. For each item it provides the name, material code, unit of measurement, and Ford rates from 2016-17 and 2018-19 inclusive of taxes, freight and insurance. The rates are provided in Indian Rupees (Rs).
This document lists 50 keyboard shortcuts in Excel for Windows for navigating cells, making selections, formatting cells, and other frequently used shortcuts. Some examples include using Page Down to move down one screen, Ctrl + Home to go to the beginning of the worksheet, Ctrl + End to go to the last cell, and Ctrl + S to save a spreadsheet.
This document provides information on power projects in Karnataka operated by KPCL, including:
1) Existing projects totaling 6,498.91 MW from hydro (3,652.35 MW), thermal (2,720 MW), diesel (108 MW), wind (4.56 MW), and solar (14 MW).
2) Ongoing projects totaling 2,325 MW from thermal and hydro.
3) New projects totaling 3,120 MW planned from thermal, hydro, and gas.
4) Proposed new projects totaling 3,895 MW planned from hydro and gas.
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S. Suresh, S. I. Gr. II
Sri M. S
The document is the Kalaburagi District at a Glance report for 2016-17 published by the District Statistical Office, Kalaburagi.
The report provides key statistics on the district's demography, economy, infrastructure like education, health and transportation. It includes data on population, births and deaths, crops, livestock and other socio-economic indicators. The performance is compared to other districts in the state.
The report was prepared under the guidance of senior statistician Dr. D.R. Suresh, District Statistical Officer, Kalaburagi and other staff of the District Statistical Office for planning purposes.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
This document appears to be a price list from Schneider Electric for its low voltage distribution products. It includes pricing and descriptions for various circuit breakers, switch disconnectors, and accessories. The products are organized by category and range, with sections devoted to Compact NSXm circuit breakers, EasyPact CVS and EZC circuit breakers, ground fault protection devices, Masterpact circuit breakers, and more. Technical specifications, stock statuses, and contact information for ordering are provided.
This document is a price list from Schneider Electric that provides pricing and product information for various electrical distribution and control products effective January 18, 2019. It includes pricing for miniature circuit breakers, residual current devices, surge protection devices, wiring devices, plugs and sockets, enclosures, and lighting and building control systems. The price list provides product references, unit prices, minimum order quantities and other specifications.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
The document provides various tips to save energy in lighting, fans, kitchen appliances, washing machines, air conditioners and electronic devices. Some key tips include:
- Turn off lights and use natural daylight when possible. Replace incandescent bulbs with LED bulbs which last longer.
- Install electronic regulators for ceiling fans and place exhaust fans at a higher elevation than ceiling fans.
- Use appliances with automatic cutoffs and energy efficient settings. Avoid preheating microwaves unnecessarily.
- Only run full loads in washing machines and dryers. Air dry clothes when possible.
- Turn off electronic devices when not in use to avoid idle energy loss. Adjust monitor brightness settings.
- Seal air conditioner
The document is a scanned receipt from a grocery store purchase on January 15th, 2023 for $58.46. It lists the items bought which include milk, eggs, bread, cereal, orange juice, bananas, and ground beef. The payment was made with a credit card ending in 4321.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
M. standard-stock-materials-for-33k v-systemRamesh Meti
This document provides a table listing materials, their unit of measurement (UoM), material code, and proposed CSR rates for 2018-19. It includes items such as transformers, switchgear, circuit breakers, meters, insulators, towers, and hardware for overhead lines. The proposed rates are provided to update prices from 2016-17 and include taxes. There are also several new items added with proposed rates.
The document provides rates for various works related to construction and maintenance of electricity distribution infrastructure. It lists unit rates for activities like digging of pits of different depths in various soil types, erection of poles, fixing of cross arms and insulators, construction of transformer platforms, stringing of conductors, and LT reconductoring works. The rates are provided for financial years 2016-17 and proposed rates for 2018-19.
Some key activities covered are digging of pits for poles up to 2.5m depth, erection of steel, RCC and spun poles up to 11m height, construction of single, double and three pole structures, fixing of cross arms, earthings, guarding and danger signs. Rates
This document provides a table listing the rates of various line materials and labour charges used in cost sheets for general works. It includes rates for items like RCC poles, PCC poles, PSC poles, cross arms, insulators, conductors, transformers, distribution boxes, and labour charges. The rates are listed according to the unit, materials rate without GST, materials rate with GST, and labour charges.
This document outlines the Common Schedule of Rates (SR) for 2018-19 for all electricity supply companies (ESCOMs) in Karnataka. Some key points:
- Material prices are inclusive of taxes and freight costs. Labour charges cover overhead costs but not statutory charges like ESI and PF.
- A committee was formed to develop the common SR, incorporating feedback from ESCOMs.
- Material prices were determined based on weighted average procurement rates, updated using indices. Some rates came from neighboring states or the market.
- Labour charges were increased 10% based on the latest labour index. Special charges remain for hazardous, calamity, or breakdown work.
- Cost data sheets provide estimated
This document provides information about various power generation stations in India including:
- Thermal power stations like RTPS with details on unit capacities, generator voltages and currents, transmission line voltages and ratings.
- Hydel power stations like Bhadra, Mani DPH, Gerusoppa with details on unit capacities, generator voltages and currents, numbers of transmission lines.
- Information is presented station-wise in a table format with columns for station name, unit capacities and details, generator parameters, transmission line voltages and ratings.
Standard stock-materials-for-11k v-systemRamesh Meti
This document contains a schedule of rates for standard stock materials commonly used in 11kV power distribution systems. It lists 99 items, including poles, cross arms, insulators, conductors, clamps and other hardware. For each item it provides the name, material code, unit of measurement, and Ford rates from 2016-17 and 2018-19 inclusive of taxes, freight and insurance. The rates are provided in Indian Rupees (Rs).
Road construction is not as easy as it seems to be, it includes various steps and it starts with its designing and
structure including the traffic volume consideration. Then base layer is done by bulldozers and levelers and after
base surface coating has to be done. For giving road a smooth surface with flexibility, Asphalt concrete is used.
Asphalt requires an aggregate sub base material layer, and then a base layer to be put into first place. Asphalt road
construction is formulated to support the heavy traffic load and climatic conditions. It is 100% recyclable and
saving non renewable natural resources.
With the advancement of technology, Asphalt technology gives assurance about the good drainage system and with
skid resistance it can be used where safety is necessary such as outsidethe schools.
The largest use of Asphalt is for making asphalt concrete for road surfaces. It is widely used in airports around the
world due to the sturdiness and ability to be repaired quickly, it is widely used for runways dedicated to aircraft
landing and taking off. Asphalt is normally stored and transported at 150’C or 300’F temperature
A high-Speed Communication System is based on the Design of a Bi-NoC Router, ...DharmaBanothu
The Network on Chip (NoC) has emerged as an effective
solution for intercommunication infrastructure within System on
Chip (SoC) designs, overcoming the limitations of traditional
methods that face significant bottlenecks. However, the complexity
of NoC design presents numerous challenges related to
performance metrics such as scalability, latency, power
consumption, and signal integrity. This project addresses the
issues within the router's memory unit and proposes an enhanced
memory structure. To achieve efficient data transfer, FIFO buffers
are implemented in distributed RAM and virtual channels for
FPGA-based NoC. The project introduces advanced FIFO-based
memory units within the NoC router, assessing their performance
in a Bi-directional NoC (Bi-NoC) configuration. The primary
objective is to reduce the router's workload while enhancing the
FIFO internal structure. To further improve data transfer speed,
a Bi-NoC with a self-configurable intercommunication channel is
suggested. Simulation and synthesis results demonstrate
guaranteed throughput, predictable latency, and equitable
network access, showing significant improvement over previous
designs
DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODELijaia
As digital technology becomes more deeply embedded in power systems, protecting the communication
networks of Smart Grids (SG) has emerged as a critical concern. Distributed Network Protocol 3 (DNP3)
represents a multi-tiered application layer protocol extensively utilized in Supervisory Control and Data
Acquisition (SCADA)-based smart grids to facilitate real-time data gathering and control functionalities.
Robust Intrusion Detection Systems (IDS) are necessary for early threat detection and mitigation because
of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
solve this issue, this paper develops a hybrid Deep Learning (DL) model specifically designed for intrusion
detection in smart grids. The proposed approach is a combination of the Convolutional Neural Network
(CNN) and the Long-Short-Term Memory algorithms (LSTM). We employed a recent intrusion detection
dataset (DNP3), which focuses on unauthorized commands and Denial of Service (DoS) cyberattacks, to
train and test our model. The results of our experiments show that our CNN-LSTM method is much better
at finding smart grid intrusions than other deep learning algorithms used for classification. In addition,
our proposed approach improves accuracy, precision, recall, and F1 score, achieving a high detection
accuracy rate of 99.50%.
Build the Next Generation of Apps with the Einstein 1 Platform.
Rejoignez Philippe Ozil pour une session de workshops qui vous guidera à travers les détails de la plateforme Einstein 1, l'importance des données pour la création d'applications d'intelligence artificielle et les différents outils et technologies que Salesforce propose pour vous apporter tous les bénéfices de l'IA.
Supermarket Management System Project Report.pdfKamal Acharya
Supermarket management is a stand-alone J2EE using Eclipse Juno program.
This project contains all the necessary required information about maintaining
the supermarket billing system.
The core idea of this project to minimize the paper work and centralize the
data. Here all the communication is taken in secure manner. That is, in this
application the information will be stored in client itself. For further security the
data base is stored in the back-end oracle and so no intruders can access it.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
Open Channel Flow: fluid flow with a free surfaceIndrajeet sahu
Open Channel Flow: This topic focuses on fluid flow with a free surface, such as in rivers, canals, and drainage ditches. Key concepts include the classification of flow types (steady vs. unsteady, uniform vs. non-uniform), hydraulic radius, flow resistance, Manning's equation, critical flow conditions, and energy and momentum principles. It also covers flow measurement techniques, gradually varied flow analysis, and the design of open channels. Understanding these principles is vital for effective water resource management and engineering applications.