NICET CMT Soils Level 1 – 10043 1.1
Construction Materials Testing Study Guide
2025/2026 | 100% Verified Q&A with
Rationales | Complete Exam Prep
,Domain 1: Personal and Worksite Safety
1. Which item is required when operating a nuclear density gauge?
A. Steel-toed boots only
B. Dosimetry badge
C. Rubber gloves only
D. Face shield only
Answer: B. Dosimetry badge
Rationale: A dosimetry badge monitors radiation exposure when using a
nuclear gauge.
2. What should be done before using any testing equipment?
A. Paint it
B. Inspect it for safe condition
C. Store it in a truck
D. Disassemble it
Answer: B. Inspect it for safe condition
Rationale: Equipment must be inspected before use to identify damage or
unsafe conditions.
3. Which condition is an unsafe excavation hazard?
A. Dry spoil pile
B. Water accumulation in the trench
C. Gravel base
D. Compacted backfill
, Answer: B. Water accumulation in the trench
Rationale: Water in an excavation increases instability and collapse risk.
4. What is the main purpose of a Job Safety Analysis?
A. Increase production
B. Identify hazards and controls
C. Replace PPE
D. Calculate pay
Answer: B. Identify hazards and controls
Rationale: A JSA breaks down tasks to identify hazards and safe procedures.
5. Which OSHA standard addresses trenching and excavation?
A. 1910 Subpart I
B. 1926 Subpart P
C. 1910.147
D. 1926.500
Answer: B. 1926 Subpart P
Rationale: OSHA 1926 Subpart P covers excavation and trenching safety.
6. Which OSHA standard covers personal protective equipment in general
industry?
A. 1926 Subpart P
B. 1910 Subpart I
C. 1926.250
D. 1910.1020
Answer: B. 1910 Subpart I
Rationale: OSHA 1910 Subpart I addresses PPE requirements.
, 7. How should a nuclear gauge be stored when not in use?
A. In an open truck bed
B. In a locked and secured location
C. Near the office door
D. On the ground
Answer: B. In a locked and secured location
Rationale: Nuclear gauges must be secured to prevent unauthorized access
and exposure.
8. Which PPE improves visibility near traffic?
A. Ear plugs
B. High-visibility vest
C. Dust mask
D. Knee pads
Answer: B. High-visibility vest
Rationale: High-visibility clothing helps equipment operators see field
personnel.
9. Where should excavated spoil be placed?
A. At the trench edge
B. Back from the trench edge
C. Inside the trench
D. On the road
Answer: B. Back from the trench edge
Rationale: Spoil kept away from the edge reduces surcharge and collapse
risk.
Construction Materials Testing Study Guide
2025/2026 | 100% Verified Q&A with
Rationales | Complete Exam Prep
,Domain 1: Personal and Worksite Safety
1. Which item is required when operating a nuclear density gauge?
A. Steel-toed boots only
B. Dosimetry badge
C. Rubber gloves only
D. Face shield only
Answer: B. Dosimetry badge
Rationale: A dosimetry badge monitors radiation exposure when using a
nuclear gauge.
2. What should be done before using any testing equipment?
A. Paint it
B. Inspect it for safe condition
C. Store it in a truck
D. Disassemble it
Answer: B. Inspect it for safe condition
Rationale: Equipment must be inspected before use to identify damage or
unsafe conditions.
3. Which condition is an unsafe excavation hazard?
A. Dry spoil pile
B. Water accumulation in the trench
C. Gravel base
D. Compacted backfill
, Answer: B. Water accumulation in the trench
Rationale: Water in an excavation increases instability and collapse risk.
4. What is the main purpose of a Job Safety Analysis?
A. Increase production
B. Identify hazards and controls
C. Replace PPE
D. Calculate pay
Answer: B. Identify hazards and controls
Rationale: A JSA breaks down tasks to identify hazards and safe procedures.
5. Which OSHA standard addresses trenching and excavation?
A. 1910 Subpart I
B. 1926 Subpart P
C. 1910.147
D. 1926.500
Answer: B. 1926 Subpart P
Rationale: OSHA 1926 Subpart P covers excavation and trenching safety.
6. Which OSHA standard covers personal protective equipment in general
industry?
A. 1926 Subpart P
B. 1910 Subpart I
C. 1926.250
D. 1910.1020
Answer: B. 1910 Subpart I
Rationale: OSHA 1910 Subpart I addresses PPE requirements.
, 7. How should a nuclear gauge be stored when not in use?
A. In an open truck bed
B. In a locked and secured location
C. Near the office door
D. On the ground
Answer: B. In a locked and secured location
Rationale: Nuclear gauges must be secured to prevent unauthorized access
and exposure.
8. Which PPE improves visibility near traffic?
A. Ear plugs
B. High-visibility vest
C. Dust mask
D. Knee pads
Answer: B. High-visibility vest
Rationale: High-visibility clothing helps equipment operators see field
personnel.
9. Where should excavated spoil be placed?
A. At the trench edge
B. Back from the trench edge
C. Inside the trench
D. On the road
Answer: B. Back from the trench edge
Rationale: Spoil kept away from the edge reduces surcharge and collapse
risk.
