Practice Test: Question Set - 03
1. Loss time injury incidence rate = ________
- (A) (Average
number of persons employed/Number of lost time injuries) ×
1000
- (B) (Number of
lost time injuries/Average number of persons employed) × 1000
- (C) (Average
number of persons employed/ Number of fatal injuries) × 1000
- (D) (Number of
fatal injuries/Average number of persons employed) × 1000
2. PPE stands for
- (A) Personal
protective equipment
- (B) Preferred
protective equipment
- (C) Prohibited
protective equipment
- (D) None of the
above
3. Ladder leading to landing should be extended at least __________ meter above the landing
- (A) 1.2
- (B) 1.5
- (C) 1
- (D) 1.8
4. Before starting piling work, a complete knowledge of underground structures (such as sewers, water pipeline, gas mains etc.) is essential.
- (A) Agree
- (B) Disagree
5. How occupational disease caused in industrial environment?
- (A) Negligence
- (B) Lack of
knowledge
- (C) Improper handling
of machines
- (D) Persons
exposed to substance or process
6. Setting up of National Safety Council (NSC) in India in__________
- (A) 1956
- (B) 1976
- (C) 1986
- (D) 1966
7. To prevent slipping a ladder should be placed in such a way that it makes an angle more than _________ degree with the ground.
- (A) 45
- (B) 60
- (C) 30
- (D) 75
8. Whenever workmen have to excavate in trenches in soil, soft rock or hard soil exceeding ________ in depth, the trenches should be securely shored and timbered.
- (A) 2 m
- (B) 1.5 m
- (C) 3 m
- (D) 2.1 m
9. There are as many possible causes of accidents as there are occasions
- (A) True
- (B) False
10. What is the percentage of oxygen in atmospheric gases?
- (A) 78%
- (B) 21%
- (C) 16%
- (D) 12%
11. Which one method is not lawful for eliminating unsafe acts?
- (A) Showing
disapproval of unsafe acts
- (B) Initial job
instructions
- (C) Education
- (D) None of
these
12. If work of piling is to be carried out at night, minimum ________ lux luminance lights should be used.
- (A) 60
- (B) 200
- (C) 150
- (D) 100
13. As per the Heinrich theory, 88 % of accidents were attributable to
- (A) Unsafe
physical condition
- (B) Unsafe mechanical
condition
- (C) Unsafe act
- (D) Natural
calamities
14. _________ quantity of materials should be put on scaffolding
- (A) Required
- (B) Only small
15. Economic cost is the only reason for which a contractor should be conscious of construction safety.
- (A) True
- (B) False
16. Wooden ladders should be inspected at least _________ a month.
- (A) Once
- (B) Twice
- (C) Three times
- (D) Four times
17. Who should be allowed to go below slab when centering is in position and concreting of slab is going on?
- (A) Only head
carpenter
- (B) Every worker
- (C) Nobody
- (D) Only safety
officer
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