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Question bank MSM 3131904
This document contains chapter summaries and sample questions for a metallurgy textbook. It covers topics such as crystal structures, solid solutions, phase diagrams, heat treating steel and cast iron, non-ferrous alloys, powder metallurgy, metallography, and non-destructive testing methods. For each chapter, it lists key concepts and provides example questions to test understanding, ranging from defining terms to explaining processes and properties. The document is divided into multiple pages with headings identifying the chapter topics covered.
Manual 3131904 EXPERIMENTS BE
1. The specimen is cut, mounted, and ground using progressively finer abrasive papers to create a flat surface.
2. The specimen is then polished using diamond and alumina powders to remove fine scratches.
3. Etching with chemical reagents is used to reveal microscopic structures by imparting contrast to grain boundaries and other microstructural features. This final prepared specimen surface can then be examined under a microscope.
Msm paper analysis GTU
This document provides an analysis of past questions from the GTU exam for the course "Material Science & Metallurgy (2131904)" taught at the Darshan Institute of Engineering & Technology. It covers 13 chapters, with multiple questions asked per chapter over several exam periods. The questions assess topics such as crystal structures, defects, phase transformations, alloy design, heat treatments, casting, powder metallurgy, and non-destructive testing. Material characterization techniques like metallography are also addressed. The document aims to help students prepare for this recurring exam by reviewing important concepts and analysis skills tested in prior years.
Paper analysis GTU KDM
This document provides an analysis of past exam papers for the course "Kinematics of Machines" taught at Darshan Institute of Engineering & Technology. It covers 4 chapters: Introduction of Mechanisms and Machines, Synthesis and Analysis of Mechanisms, Velocity and Acceleration Analysis, and Special Mechanisms. For each chapter, it lists the theory and example questions asked in previous exams from 2014-2017. The questions cover topics such as kinematic links, inversion of mechanisms, Freudenstein's method of synthesis, velocity/acceleration analysis using Klein's construction and relative velocity method, and special mechanisms including steering gears and straight line motion mechanisms.
3131906 GEARS AND GEAR TRAINS
This document provides an introduction to gears and gear trains. It defines common terms used in gears such as pitch circle, pitch diameter, pressure angle, addendum, and dedendum. It also classifies gears based on the position of shaft axes (parallel shaft gears include spur gears, helical gears, herringbone gears, bevel gears; intersecting shaft gears include straight bevel gears and spiral bevel gears). The document discusses advantages of gear drives such as transmitting exact velocity ratios and disadvantages such as requiring specialized manufacturing. It provides examples of different types of gears and their applications.
3131906 FRICTION, CLUTCH AND BRAKE
This document discusses friction, clutches, and brakes. It begins with an introduction to friction, describing the different types (dry, skin/greasy, film), laws of friction, and coefficient of friction. It then discusses motion up and down inclined planes, defining the angle of friction and efficiency. Specific topics covered include screw threads, pivot and collar friction, friction clutches, brakes, brake classification, and vehicle braking systems. Problems with friction, clutches, and brakes are also mentioned.
3131906 BELT, ROPES AND CHAINS
This document discusses belt drives and their components. It describes different types of belt drives including open belt drives, crossed belt drives, and quarter turn belt drives. It also discusses different belt drive configurations that use idler pulleys, compound pulleys, stepped pulleys, and fast and loose pulleys to transmit power between shafts over varying distances and speed ratios. The key types of belts are described as flat belts, V-belts, and ropes along with their typical applications and materials. Factors for selecting a belt drive like power, speed, and distance between shafts are also outlined.
3131906 -CAMS- KINETICS AND DYNAMICS OF MACHINE
This document discusses cam and follower classification and terminology. It provides:
1) Classification of followers based on contact surface (knife edge, roller, flat/mushroom faced) and motion (reciprocating, oscillating).
2) Classification of cams as radial or cylindrical.
3) Terminology used in cams including base circle, trace point, pressure angle, pitch point, and lift.
4) Motions of the follower including uniform velocity, simple harmonic motion, uniform acceleration/retardation, and cycloidal motion. Displacement, velocity and acceleration diagrams are provided for uniform velocity and simple harmonic motion cases.
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Question bank MSM 3131904
This document contains chapter summaries and sample questions for a metallurgy textbook. It covers topics such as crystal structures, solid solutions, phase diagrams, heat treating steel and cast iron, non-ferrous alloys, powder metallurgy, metallography, and non-destructive testing methods. For each chapter, it lists key concepts and provides example questions to test understanding, ranging from defining terms to explaining processes and properties. The document is divided into multiple pages with headings identifying the chapter topics covered.
Manual 3131904 EXPERIMENTS BE
1. The specimen is cut, mounted, and ground using progressively finer abrasive papers to create a flat surface.
2. The specimen is then polished using diamond and alumina powders to remove fine scratches.
3. Etching with chemical reagents is used to reveal microscopic structures by imparting contrast to grain boundaries and other microstructural features. This final prepared specimen surface can then be examined under a microscope.
Msm paper analysis GTU
This document provides an analysis of past questions from the GTU exam for the course "Material Science & Metallurgy (2131904)" taught at the Darshan Institute of Engineering & Technology. It covers 13 chapters, with multiple questions asked per chapter over several exam periods. The questions assess topics such as crystal structures, defects, phase transformations, alloy design, heat treatments, casting, powder metallurgy, and non-destructive testing. Material characterization techniques like metallography are also addressed. The document aims to help students prepare for this recurring exam by reviewing important concepts and analysis skills tested in prior years.
Paper analysis GTU KDM
This document provides an analysis of past exam papers for the course "Kinematics of Machines" taught at Darshan Institute of Engineering & Technology. It covers 4 chapters: Introduction of Mechanisms and Machines, Synthesis and Analysis of Mechanisms, Velocity and Acceleration Analysis, and Special Mechanisms. For each chapter, it lists the theory and example questions asked in previous exams from 2014-2017. The questions cover topics such as kinematic links, inversion of mechanisms, Freudenstein's method of synthesis, velocity/acceleration analysis using Klein's construction and relative velocity method, and special mechanisms including steering gears and straight line motion mechanisms.
3131906 GEARS AND GEAR TRAINS
This document provides an introduction to gears and gear trains. It defines common terms used in gears such as pitch circle, pitch diameter, pressure angle, addendum, and dedendum. It also classifies gears based on the position of shaft axes (parallel shaft gears include spur gears, helical gears, herringbone gears, bevel gears; intersecting shaft gears include straight bevel gears and spiral bevel gears). The document discusses advantages of gear drives such as transmitting exact velocity ratios and disadvantages such as requiring specialized manufacturing. It provides examples of different types of gears and their applications.
3131906 FRICTION, CLUTCH AND BRAKE
This document discusses friction, clutches, and brakes. It begins with an introduction to friction, describing the different types (dry, skin/greasy, film), laws of friction, and coefficient of friction. It then discusses motion up and down inclined planes, defining the angle of friction and efficiency. Specific topics covered include screw threads, pivot and collar friction, friction clutches, brakes, brake classification, and vehicle braking systems. Problems with friction, clutches, and brakes are also mentioned.
3131906 BELT, ROPES AND CHAINS
This document discusses belt drives and their components. It describes different types of belt drives including open belt drives, crossed belt drives, and quarter turn belt drives. It also discusses different belt drive configurations that use idler pulleys, compound pulleys, stepped pulleys, and fast and loose pulleys to transmit power between shafts over varying distances and speed ratios. The key types of belts are described as flat belts, V-belts, and ropes along with their typical applications and materials. Factors for selecting a belt drive like power, speed, and distance between shafts are also outlined.
3131906 -CAMS- KINETICS AND DYNAMICS OF MACHINE
This document discusses cam and follower classification and terminology. It provides:
1) Classification of followers based on contact surface (knife edge, roller, flat/mushroom faced) and motion (reciprocating, oscillating).
2) Classification of cams as radial or cylindrical.
3) Terminology used in cams including base circle, trace point, pressure angle, pitch point, and lift.
4) Motions of the follower including uniform velocity, simple harmonic motion, uniform acceleration/retardation, and cycloidal motion. Displacement, velocity and acceleration diagrams are provided for uniform velocity and simple harmonic motion cases.
3131906 VELOCITY AND ACCELERATION ANALYSIS
This document discusses concepts related to velocity and acceleration analysis in mechanisms. It introduces linear velocity and acceleration, and describes two methods for determining velocity of points on links: the instantaneous center method and relative velocity method. It then applies these concepts to analyze the velocity of points in a slider crank mechanism using a velocity diagram. Finally, it discusses properties of instantaneous centers including the number and types of instantaneous centers in a mechanism.
3131906 - GRAPHICAL AND ANALYTICAL LINKAGE SYNTHESIS
The document discusses various methods for synthesizing mechanisms through graphical and analytical means. It describes Freudenstein's equation, which allows analytical synthesis of a four-bar linkage to achieve desired output positions based on input positions. The document also discusses two-position synthesis of slider-crank and crank-rocker mechanisms through graphical construction of limiting positions. Finally, it introduces the inversion method of synthesis for a four-bar linkage using three specified positions of the input and output links.
3131906 - INTRODUCTION OF MECHANISMS AND MACHINES
The document discusses various concepts related to kinematics and mechanisms including:
- Kinematic links that make up mechanisms and their types including rigid, flexible, and fluid links.
- Kinematic pairs and their classification based on relative motion and contact between elements. Common pairs include sliding, turning, rolling, screw, and spherical pairs.
- Kinematic chains formed by coupling kinematic pairs to transmit motion from one link to another. The simplest kinematic chain is the four-bar chain.
- Degrees of freedom and mobility of mechanisms, which is the number of independent coordinates needed to define the configuration. Formulas like Kutzbach's criterion are used to calculate this.
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The document discusses key aspects of the Indian constitution, including:
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2) It describes some of the influences on the Indian constitution from other models including the UK, US, Ireland and Canada in areas like parliamentary democracy, fundamental rights, federalism and directive principles.
3) It explains some of the salient features of the Indian constitution such as its length, structure with parts and schedules, borrowing from other systems while adapting to Indian conditions, and establishment through a constituent assembly rather than parliament.
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BASIC AND APPLIED THERMODYNAMICS paper analysis GTU
1. The document analyzes past questions from a GTU paper on engineering thermodynamics. It summarizes the number of times various topics from two chapters (basic concepts and first law of thermodynamics) have appeared on papers from 2015 to 2018.
2. Key topics included intensive/extensive properties, open/closed/isolated systems, the first law of thermodynamics, the steady flow energy equation, work, heat, and applications like nozzles and turbines. Common example problems involved steam tables, turbines, refrigerators and calculating work, heat and efficiency.
3. The document provides a similar analysis for two additional chapters on the second law of thermodynamics and entropy, listing common theory and example questions
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A technical proposal introduces a product or service to solve a client's issue. It explains the execution plan and provides technical details. The document defines the purpose and structure of technical proposals, which can be for sales, research, or construction projects. A technical proposal typically includes sections for prefatory information like a letter of transmittal, an executive summary, the technical details of the proposal, management of the project or service, and cost estimates.
Technical description ETC
This document discusses technical descriptions. It identifies the purpose of technical descriptions as providing additional details to help readers visualize what is being described, beyond just a definition. There are two main types of technical descriptions: product descriptions, which describe what an item is like, and process descriptions, which describe how something works. Elements of a good technical description include a clear and limiting title, appropriate level of detail for the audience, illustrative visuals, and an appropriate sequence such as spatial, functional, or chronological. The document also provides tips for writing objectively with precise photographic language.
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Engineering ethics is the study of moral issues and decisions confronting engineers. It examines the values and principles that guide engineering practice and research. Engineering ethics considers what constitutes acceptable behavior for engineers and discusses issues like safety, environmental and social impacts, and responsibilities of engineers. It addresses both micro issues of individual and corporate decisions and macro issues of global or societal impact. The study of ethics helps improve moral awareness, reasoning, and integrity in engineers.
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An improved modulation technique suitable for a three level flying capacitor ...
This research paper introduces an innovative modulation technique for controlling a 3-level flying capacitor multilevel inverter (FCMLI), aiming to streamline the modulation process in contrast to conventional methods. The proposed
simplified modulation technique paves the way for more straightforward and
efficient control of multilevel inverters, enabling their widespread adoption and
integration into modern power electronic systems. Through the amalgamation of
sinusoidal pulse width modulation (SPWM) with a high-frequency square wave
pulse, this controlling technique attains energy equilibrium across the coupling
capacitor. The modulation scheme incorporates a simplified switching pattern
and a decreased count of voltage references, thereby simplifying the control
algorithm.
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This document discusses concepts related to velocity and acceleration analysis in mechanisms. It introduces linear velocity and acceleration, and describes two methods for determining velocity of points on links: the instantaneous center method and relative velocity method. It then applies these concepts to analyze the velocity of points in a slider crank mechanism using a velocity diagram. Finally, it discusses properties of instantaneous centers including the number and types of instantaneous centers in a mechanism.
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Data Driven Maintenance | UReason Webinar
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
Design and optimization of ion propulsion drone
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
Rainfall intensity duration frequency curve statistical analysis and modeling...
Using data from 41 years in Patna’ India’ the study’s goal is to analyze the trends of how often it rains on a weekly, seasonal, and annual basis (1981−2020). First, utilizing the intensity-duration-frequency (IDF) curve and the relationship by statistically analyzing rainfall’ the historical rainfall data set for Patna’ India’ during a 41 year period (1981−2020), was evaluated for its quality. Changes in the hydrologic cycle as a result of increased greenhouse gas emissions are expected to induce variations in the intensity, length, and frequency of precipitation events. One strategy to lessen vulnerability is to quantify probable changes and adapt to them. Techniques such as log-normal, normal, and Gumbel are used (EV-I). Distributions were created with durations of 1, 2, 3, 6, and 24 h and return times of 2, 5, 10, 25, and 100 years. There were also mathematical correlations discovered between rainfall and recurrence interval.
Findings: Based on findings, the Gumbel approach produced the highest intensity values, whereas the other approaches produced values that were close to each other. The data indicates that 461.9 mm of rain fell during the monsoon season’s 301st week. However, it was found that the 29th week had the greatest average rainfall, 92.6 mm. With 952.6 mm on average, the monsoon season saw the highest rainfall. Calculations revealed that the yearly rainfall averaged 1171.1 mm. Using Weibull’s method, the study was subsequently expanded to examine rainfall distribution at different recurrence intervals of 2, 5, 10, and 25 years. Rainfall and recurrence interval mathematical correlations were also developed. Further regression analysis revealed that short wave irrigation, wind direction, wind speed, pressure, relative humidity, and temperature all had a substantial influence on rainfall.
Originality and value: The results of the rainfall IDF curves can provide useful information to policymakers in making appropriate decisions in managing and minimizing floods in the study area.
Null Bangalore | Pentesters Approach to AWS IAM
#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/)
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