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MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit 1 General Safety Precaution

76)   

To prevent electric shock, one must:

A.
B.
C.
D.
Answer: C
77)   

When you see a "Caution: Wet Floor" sign, what should you do?

A.
B.
C.
D.
Answer: C
78)   

The best extinguisher for a cooking oil fire is:

A.
B.
C.
D.
Answer: D
79)   

The correct action after a minor injury at work is to:

A.
B.
C.
D.
Answer: B
80)   

Face shield is used when there is a risk of:

A.
B.
C.
D.
Answer: C
81)   

Which sign is used to warn about high voltage?

A.
B.
C.
D.
Answer: B
82)   

What does a red circle with a line across mean?

A.
B.
C.
D.
Answer: D
83)   

What symbol represents emergency first aid?

A.
B.
C.
D.
Answer: B
84)   

Which of these indicates flammable material?

A.
B.
C.
D.
Answer: B
85)   

What does a black exclamation mark inside a yellow triangle mean?

A.
B.
C.
D.
Answer: C
86)   

Why are safety signs used in industries?

A.
B.
C.
D.
Answer: C
87)   

A blue sign with headphone symbol means:

A.
B.
C.
D.
Answer: A
88)   

Which one is a fire safety sign?

A.
B.
C.
D.
Answer: B
89)   

What does a red-colored ‘fire hose reel’ sign indicate?

A.
B.
C.
D.
Answer: C
90)   

The symbol of a skull and crossbones represents:

A.
B.
C.
D.
Answer: B
91)   

Which class of fire involves gases like LPG and CNG?

A.
B.
C.
D.
Answer: C
92)   

Which class of fire involves metals like magnesium or aluminum?

A.
B.
C.
D.
Answer: D
93)   

The fourth element of the fire tetrahedron is:

A.
B.
C.
D.
Answer: C
94)   

What does PASS stand for in using a fire extinguisher?

A.
B.
C.
D.
Answer: B
95)   

What is the safest distance to operate a fire extinguisher from the fire?

A.
B.
C.
D.
Answer: C
96)   

The blue label fire extinguisher contains:

A.
B.
C.
D.
Answer: C
97)   

Which extinguisher is used for flammable liquids?

A.
B.
C.
D.
Answer: D
98)   

What is the main risk when using water on electrical fires?

A.
B.
C.
D.
Answer: C
99)   

Foam extinguishers are NOT suitable for:

A.
B.
C.
D.
Answer: C
100)   

Which extinguisher type is safest for Class D fires (metal fires)?

A.
B.
C.
D.
Answer: C