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Soal Hot Work CGL 2 (Eng. Ver)

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is meant by hot work in the field of occupational health and safety (K3)...

a)

Work in open areas at high temperatures

b)

Work that generates heat sources, fire, or sparks

c)

Work performed under high pressure

d)

Work in low-temperature environments

2.

The name of the tool in this image is...

a)

Sound level meter

b)

Anemometer

c)

Gas detector

d)

Thermometer

3.

This image shows the CO indicator, what is meant by CO...

a)

Colorless, toxic gas, flammable and smells like rotten eggs

b)

Toxic gas that comes from burning gasoline, wood, charcoal, propane, or other fuels

c)

Gas that comes from the body's metabolic process

d)

Greenish-yellow gas with a very strong odor

4.

The type of fire extinguisher suitable for hot work in the electrical panel area is...

a)

Foam

b)

CO2

c)

Dry chemical powder

d)

Air

5.

What can be used if there is no fire extinguisher available during hot work, except for...

a)

Wet sand

b)

Fire blanket

c)

Wet sack

d)

Sawdust

6.

From this image, which LPG gas can be used in the industry...

a)

Image 1

b)

Image 2

c)

All can be used

d)

None can be used

7.

What does this symbol mean...

a)

irritation

b)

Flammable

c)

Explosive

d)

Corrosive

8.

One of the risk mitigation steps in hot work is...

a)

Adding workload to the operator

b)

Increasing the working temperature

c)

Replacing all tools with new ones

d)

Using fire blankets and fire extinguishers near the work area

9.

What are the potential hazards of cutting...

a)

Slipping, falling, vibration, and sparks

b)

Arc radiation, welding fumes, welding sparks, and electric shock

c)

Sparks, loud noise, vibration, smoke and dust, working position, and electric shock

d)

Arc radiation, drowning, slipping, and vibration

10.

How long is a fire watch required to monitor after hot work is completed...

a)

Until the next day

b)

55 minutes

c)

30 minutes

d)

60 minutes

11.

The function of blanketing (Fire Blanket) in hot work is...

a)

Absorbing heat

b)

Increasing work comfort

c)

Protecting the surrounding area from sparks

d)

Stopping noise

12.

What type of work uses PPE in this image...

a)

painting

b)

Grinding

c)

Cut and fill

d)

Welding

13.

What action should be taken when a flashback occurs...

a)

Immediately spray using a fire extinguisher

b)

Immediately turn off the oxygen valve of the torch, then close the acetylene valve

c)

Immediately report to the supervisor and douse with water

d)

Immediately leave the work area

14.

Related to the detection of flammable gases, what indicator is detected in a gas detector..

a)

H2S

b)

CO

c)

O2

d)

LEL

15.

The name of the tool in the image is...

a)

Flashback arrestor

b)

Flashback astor

c)

Flashback propesor

d)

Flackback assessor

16.

This tool functions to...

a)

Stop the noise from the torch blender process

b)

Just a variation

c)

Absorb heat from the torch blender process

d)

Prevent backfire

17.

What is meant by Backfire..

a)

There is a momentary combustion from the flame into the tip of the flashlight. Backfire is characterized by a popping sound or a loud explosion when the flame goes out.

b)

There is continuous combustion and no signs at all

c)

There is continuous combustion and is marked by a loud popping sound

d)

There is momentary combustion and no signs at all

18.

From this image of the cylinder, which image has the appropriate storage...

a)

None of them are appropriate

b)

Image 1

c)

All of them are appropriate

d)

Image 2

19.

Which of the following is included in the post hot work procedure...

a)

Open all windows

b)

Leave the work location

c)

Store the equipment

d)

Ensure there are no remaining hot spots and fire watch remains on duty

20.

If a gas leak occurs in a confined space job, the gas detector indicator will show the following characteristics, except...

a)

The display on the screen changes to a higher level

b)

The indicator light turns on and vibrates

c)

The device turns off by itself

d)

Alarm sound

21.

What are the potential hazards of welding...

a)

Slipping, falling, vibration, and sparks

b)

Arc radiation, drowning, slipping, and vibration

c)

Arc radiation, welding fumes, welding sparks, and electric shock

d)

Loud noise, welding fumes, vibration, and electric shock

22.

Who is authorized to issue a hot work permit?

a)

Supervisor and authorized personnel

b)

Machine operator

c)

Security personnel

d)

Technician

23.

What are the 3 elements that cause fire?

a)

Fuel, cold and oxygen

b)

Fuel, heat and oxygen

c)

Fuel, CO and H2S

d)

Fuel, heat and CO

24.

What type of work uses PPE in this image...

a)

Grinding

b)

Welding

c)

Painting

d)

Cut and fill

25.

What does this sign mean...

a)

Hot work area sign

b)

Cold work area sign

c)

Explosive and flammable area sign

d)

Noisy area hazard sign