NCCER CORE CURRICULUM
CERTIFICATION QUESTION AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026
Q&A INSTANT DOWNLOAD PDF
1. Which organization develops standardized craft training programs for
the construction industry?
A. OSHA
B. ANSI
C. NCCER
D. NFPA
Correct Answer: C. NCCER
Rationale: NCCER (National Center for Construction Education and
Research) develops standardized training and certification
programs for construction and craft trades.
2. What is the primary purpose of the NCCER Core Curriculum?
A. Trade specialization
B. Apprenticeship licensing
C. Foundational construction skills
D. Contractor management
Correct Answer: C. Foundational construction skills
Rationale: The Core Curriculum provides basic knowledge and skills
required across all construction trades.
3. Which math operation is most commonly used to calculate material
quantities?
, A. Division
B. Multiplication
C. Subtraction
D. Averaging
Correct Answer: B. Multiplication
Rationale: Multiplication is used to determine total quantities such
as area, volume, or total material needs.
4. What tool is used to measure voltage in an electrical circuit?
A. Ammeter
B. Ohmmeter
C. Voltmeter
D. Clamp meter
Correct Answer: C. Voltmeter
Rationale: A voltmeter measures electrical potential difference
(voltage).
5. Which type of fire extinguisher is used for electrical fires?
A. Class A
B. Class B
C. Class C
D. Class D
Correct Answer: C. Class C
Rationale: Class C extinguishers are designed for energized
electrical equipment fires.
6. What PPE protects the eyes from flying debris?
A. Face shield
B. Welding helmet
C. Safety glasses
D. Respirator
Correct Answer: C. Safety glasses
Rationale: Safety glasses protect against dust, chips, and flying
particles.
, 7. What unit is used to measure electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
Correct Answer: C. Ohm
Rationale: Electrical resistance is measured in ohms (Ω).
8. Which document outlines safety rules on a jobsite?
A. Blueprint
B. Purchase order
C. Safety manual
D. Invoice
Correct Answer: C. Safety manual
Rationale: Safety manuals define policies, procedures, and rules for
workplace safety.
9. What hand tool is used to drive nails?
A. Screwdriver
B. Mallet
C. Hammer
D. Wrench
Correct Answer: C. Hammer
Rationale: Hammers are designed to drive and remove nails.
10. Which measurement system is primarily used in U.S.
construction?
A. Metric
B. SI
C. Imperial/US customary
D. Decimal
Correct Answer: C. Imperial/US customary
Rationale: U.S. construction commonly uses feet, inches, and
pounds.
CERTIFICATION QUESTION AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026
Q&A INSTANT DOWNLOAD PDF
1. Which organization develops standardized craft training programs for
the construction industry?
A. OSHA
B. ANSI
C. NCCER
D. NFPA
Correct Answer: C. NCCER
Rationale: NCCER (National Center for Construction Education and
Research) develops standardized training and certification
programs for construction and craft trades.
2. What is the primary purpose of the NCCER Core Curriculum?
A. Trade specialization
B. Apprenticeship licensing
C. Foundational construction skills
D. Contractor management
Correct Answer: C. Foundational construction skills
Rationale: The Core Curriculum provides basic knowledge and skills
required across all construction trades.
3. Which math operation is most commonly used to calculate material
quantities?
, A. Division
B. Multiplication
C. Subtraction
D. Averaging
Correct Answer: B. Multiplication
Rationale: Multiplication is used to determine total quantities such
as area, volume, or total material needs.
4. What tool is used to measure voltage in an electrical circuit?
A. Ammeter
B. Ohmmeter
C. Voltmeter
D. Clamp meter
Correct Answer: C. Voltmeter
Rationale: A voltmeter measures electrical potential difference
(voltage).
5. Which type of fire extinguisher is used for electrical fires?
A. Class A
B. Class B
C. Class C
D. Class D
Correct Answer: C. Class C
Rationale: Class C extinguishers are designed for energized
electrical equipment fires.
6. What PPE protects the eyes from flying debris?
A. Face shield
B. Welding helmet
C. Safety glasses
D. Respirator
Correct Answer: C. Safety glasses
Rationale: Safety glasses protect against dust, chips, and flying
particles.
, 7. What unit is used to measure electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
Correct Answer: C. Ohm
Rationale: Electrical resistance is measured in ohms (Ω).
8. Which document outlines safety rules on a jobsite?
A. Blueprint
B. Purchase order
C. Safety manual
D. Invoice
Correct Answer: C. Safety manual
Rationale: Safety manuals define policies, procedures, and rules for
workplace safety.
9. What hand tool is used to drive nails?
A. Screwdriver
B. Mallet
C. Hammer
D. Wrench
Correct Answer: C. Hammer
Rationale: Hammers are designed to drive and remove nails.
10. Which measurement system is primarily used in U.S.
construction?
A. Metric
B. SI
C. Imperial/US customary
D. Decimal
Correct Answer: C. Imperial/US customary
Rationale: U.S. construction commonly uses feet, inches, and
pounds.
