NEW
Font size
S
M
L
XL
WorksheetsOccupational Health & safety
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Water Fire extinguisher is suitable for
a)
Wood, paper, clothes, and solids
b)
Flammable liquids such as petrol
c)
Fires in Electrical Equipments
d)
Cooking oils & FATS
2.
As In figure Class A fire is:
a)
Flammable liquids such as petrol
b)
Fires in Electrical Equipments
c)
Solids such as paper, wood, plastic etc
d)
Cooking oils & FATS
3.
Foam fire extinguisher is NOT suitable for
a)
Wood, paper, clothes, and solids
b)
Fires in Electrical Equipments
c)
Flammable liquids such as petrol
d)
Cooking oils & FATS
4.
The shape shown infigure is for:
a)
Emergency button
b)
Switch
c)
Fire alarm
d)
Circuit breaker
5.
The shape shown in figure is for:
a)
Emergency button
b)
on-off Switch
c)
Fire alarm switch
d)
Circuit breaker
6.
Dry Chemical (ABC) Fire Extinguishers used for
a)
for all Class A, B and C fires
b)
Electrical Class C fires only
c)
clothes Class A fires only
d)
grease Class B fires only
7.
In Electrical class C of fires, the fire extinguisher that can be used is:
a)
CO2 or Powder fire extinguisher
b)
Water or Foam fire extinguisher
c)
CO2 fire extinguisher only
d)
Powder fire extinguisher only
8.
The three elements of the fire triangle are
a)
Fats – Water – Heat
b)
Fuel – Oxygen – Heat
c)
Fuel – Oxygen – Water
d)
Water – Oxygen - Heat
9.
The fuel in class F fires is
a)
Electrical equipment
b)
Fammable Liquid
c)
Cooking Oil and fats.
d)
Plastic, wood and paper
10.
The correct order of procedure in using a fire extinguisher is :
a)
Squeeze – Aim – Sweep – Pull
b)
Sweep – Squeeze – Pull – Aim
c)
Aim- Pull – Squeeze – Sweep
d)
Pull – Aim – Squeeze – Sweep
11.
Class C Fire is from:
a)
Flammable liquids
b)
Electrical Equipment
c)
Wood & Plastics
d)
Combustible metals
12.
in Class D ( combustible metal) Fire , the fire extinguisher that can be used is:
a)
Dry Powder Fire Extinguisher
b)
Water Fire Extinguisher
c)
Foam Fire Extinguisher
d)
CO2 Fire Extinguisher
13.
the fuel in class B Fires is:
a)
wood and plastic
b)
Electrical Equipment
c)
combustible liquid
d)
cooking oil and fats
14.
The Function of the Emergency button switch is:
a)
To shut off power in the building
b)
To turn on power in the building
c)
To shut off alarm in the building
d)
To turn on alarm in the building
15.
as in Figure shown the Digital Multimeter measuring mode is
a)
Measuring DC Voltage
b)
Measuring DC Current
c)
Measuring Resistance
d)
Off Mode
16.
for the given picture The digital Multi-Meter Is used To measure:
a)
Resistance
b)
DC Current in Ampere
c)
DC Voltage
d)
Capacitance
17.
for the given picture The digital Multi-Meter Is used To measure:
a)
Resistance
b)
DC Current in Ampere
c)
DC Voltage
d)
Capacitance
18.
the picture showing the correct way of soldering on PCB
a)
true
b)
false
19.
In which Picture the screw driver fits in size
a)
1
b)
2
c)
3
d)
4
20.
choose the correct solder joint for component from the picture
a)
1
b)
2
c)
3
d)
4
Reset
