This document provides an overview of fluid mechanics, firefighting tactics, and safety courses and job opportunities. It discusses key fluid properties and the differences between liquids and gases. It outlines basic firefighting tactics like rescue operations, fire containment, extinguishing, and salvage. It also lists various safety-related diploma and certificate courses offered as well as common job placements in industries like oil refineries, ports, airports, and construction.

1. LESSON 3
HYDROSTATICS
INTRODUCTION
FLUID MECHANICS:
HYDRALICS:
PRESSURE AND TEMPERATURE:
BOYLES LAW:
CHARLES LAW:

2.  FLUID PROPERTIES: FLUID WILL HAVE FOLLOWING PROPERTIES:
a) FLUID WILL HAVE FREE FLOW
b) FLUID WILL NOT HAVE DEFINITE SHAPE
c) FLUID WILL HAVE SHEAR STRESS.
 DIFFERENCE BETWEEN LIQUIDS AND GASES:
 LIQUIDS
 GASES
 LIQUID ARE RELATIVELY INCOMPORESSIBLE
 GASES ARE READILY COMPRESSIBLE
 LIQUIDS HAVE HIGH SPECIFIC MASS
 GASES HAVE LOW SPECIFIC MASS
 LIQUIDS HAVE FREE SURFACE
 GASES DO NOT HAVE FREE SURFACE
 OCCUPIES DEFINITE VOLUME
 GASES OCCUPIES VESSEL COMPLETELY

3.  TYPES OF LIQUID:
 PROPERTIES OF FLUID: AMONG MANY FLUID, WATER IS THE
MAIN FLUID WHICH IS DISCUSSED IN THIS SUBJECT AND THE
SAME HAS GOT FOLLOWING PROPERTIES:
a) MASS DENSITY
b) SPECIFIC WEIGHT
c) SPECIFIC GRAVITY
d) ADHESION
e) COHESION
f) SURFACE TENSION

4. g) CAPPILARY
h) COMPRESSIBILITY
i) VISCOCITY
VISCOCITY
FACTORS AFFECTING VISCOCITY
TEMPERATURE:
PRESSURE:
PRESENCE OF OTHER SUBSTANCE:
 SIZE AND WEIGHT OF ADDED MOLECLULE
 COHESION AND ADHESION
 SURFACE TENSION

5. LIQUID VAPOUR
THE LIQUID SUBSTANCEWILL GO INTO VAPOUR STATE EITHER
BY EVAPORATION OR BY BOILING. THE FOLLOWING FACTORS
WILL DFETERMINE THE SPEED OF THE VAPOURIOSATION
a) FREE SURFACE EXPOESED
b) THE MOTION OF AIR
c) BOILING POINT OG LIQUID
d) TEMPEARTURE OF LIQUID
VAPOUR PRESSURE
VAPOUR DENSITY
ARCHIMEDIES PRINCIPLE
CENTRE OF GRAVITY AND BOUYANCY
METACENTRE

6.  META CENTRIC HEIGHTS
 PASCAL LAW
 ATMOSPHERIC PRESSURE
 CHARACTER OF PRESSURE:
THE PRESSURE OF FLUID IS HAVING FOLLOWING
CHARACTER:
a) PRESSURE IS PERPENDICULAR TO ANY SURFACE ON WHICH
IT ACTS
b) VALUE OF PRESSURE IS SAME AT ALL POINTS IN FLUID AT
REST.
c) PRESSURE APPLIED ON A FLUID AT ONE POINT WILL BE
TRANSMITTED TO ALL POINTS

7. a) DOWNLOAD PRESSURE OF A FLUID IN AOPEN VESSEL IOS
PROPOTIONAL TO ITS DEPTH
b) DOWNWARD P[RESSURE OF A FLUID IN OPEN VESSEL TO
THE DENSITY OF THE FLUID
c) THE SHAPE OF THE VESSEL WILL NOT AFFECT THE
BOTTOM PRESSURE
 PRESSURE MEASURING INSTRUMENTS:
 THE BAROMETRES :
 THE BOURDON GAUGE:

8. LESSON 4
TACTICS OF FIRE FIGHTING
INTRODUCTION:
THE BASIC TACTICS OF FIGHTING A FIRE CAN BE DIVIDED INTO
THE FOLLOWING CATEGORIES
a) RESCUE OPERATIONS OF TRAPPED PERSONNEL
b) CONFINEMENT OF THE FIRE AND PREVENTS SPREADING
c) EXTINGUISING THE FIRE

9.  SALVAGE OPEARTIONS
 VENTILATONS CONTROL
 SMOKE CLEARANCE
 ANTICIPATING TREATS
BASIC TACTICS:
REMEDIES:
REPORT AND ACTION:
SMOKE COMING FROM CLOSED DOOR:

10. FIRE IN OPEN DOOR ROOM:
SEARCH AND RESCUE:
ACCESS TO FIRE:
ACCESS BY CUTTING/ BREAKING:
ACCESS BY LOWERING MAN TO THE SIDE:

11.  BEFORE OPENING A DOOR: OPENING THE DOOR IS TO BE
DONE WITH CAUTION AS THE FRESH FLOW OF AIR WILL
START EXPLOSION. THE FOLLOWING POINTS ARE TO BE
KEPT IN MIND WHILE OPENING IN THE CLOSED ROOM.
a) CONNECT HOSES OF SUFFICIENT LENGTH TO REACH
ACROSS THE ROOM CONTAINING FIRE. THE WATER
SUPPLIES SHOULD BE TAKEN FROM SEPARATE HYRANTS,
AND Y PIECES SHOULS NOT BE USED

12. b) PREFERABLY, THE HYDRANTS SUPPLYING TO WATRER WALL
OPERATORSAND FIRE FIGHTERS SHOULD BE FED FROM
SEPERATE PUMPS
C) CONNECT CORRECT NOZZLES WITH HOISES FOR WATER
WALL OPEARTORS AND FIRE FIGHTERS RESPECTIVELY
d) IF A LIQUID FUEL FIRE IS SUSPECTED, FOAM – MAKING
BRANCH PIPE WITH AQN INLINE INDUCTION IS TO BE USED
INSTEAD OF NOZZLES BY THE FIGHTER
e) IF FOAM IS TO BE USED, IMSERT THE SPILL PICK UP INTO
THE CONTAINER OF AFFF 20 LITRE CONTAINER
f) IF THE DOOR OPEND AWAY FROM THE FIRE FIGHTER A WIRE
ROPE SHOULD BE ATTACHED TO THE HANDLE SO THAT
THE DOOR CAN BE PULLED QUICKLY, IF NECCESSARY

13.  COURSES:
 Diploma in occupational Health And Safety
 Diploma in industrial safety
 Diploma in electrical safety
 Diploma in fire fighting
 Diploma in construction safety
 Certificate in fire and safety engineering
 Diploma in fire and safety engineering
 PG diploma in fire and safety engineering
 Certificate in oil and Gas safety
 Diploma in oil and Gas safety
 Diploma in health ,safety and Environment
 PG diploma in Health ,safety Environment

14.  JOB PLACEMENT
 NSA will give100% job placement assistance to all
successful candidates. Some of the Industries are listed
below.
 Oil Refineries,
 Port trust,
Airport,
Chemical Industries,
Insurance,
Construction and
service industries are main job providers.
 Students passed out from this institute can find job
opportunities as Safety Supervisor, Safety Inspector,
Safety Officer, Safety Manager, Fireman and Fire Officer.

15.  Contact us:
 No. 714, 1st Floor, M.T.H Road,
Mannurpet, Chennai – 600 050.
+91 7667442300
Ph: 26242038 ,26242318
 Mobile No:8643055672
 Website – http://safetyacademy.in/

Email : info@safetyacademy.in