NSC Exam Actual Exam All 60 Questions and

NSC Exam | Actual Exam – All 60 Questions and Correct Detailed Answers | Verified Answers | Already Graded A+ | / Edition

Section 1: Introduction

This document provides the actual and verified exam content for the NSC (National Safety Council) Certification Exam, featuring all 60 current questions with 100% correct and detailed answers, fully updated for the / cycle. It covers essential safety and compliance topics including hazard recognition, workplace safety standards, emergency response, risk mitigation, and OSHA-aligned protocols. Graded A+ and structured to reflect the official NSC testing format, this guide ensures thorough preparation for safety professionals and industry certification candidates.

Section 2: Exam Questions and Answers

• What is the primary purpose of a Job Safety Analysis (JSA)?
• To assign tasks to workers
• To identify hazards and controls for a specific job
• To evaluate employee performance
• To schedule maintenance activities
• To identify hazards and controls for a specific job

Rationale: A JSA breaks down job tasks to identify potential hazards and implement controls to ensure safety.

• According to OSHA, what is the maximum permissible noise exposure for an 8-hour

workday?

• 85 dB
• 90 dB
• 95 dB
• 100 dB
• 90 dB

Rationale: OSHA sets a permissible exposure limit of 90 dB for an 8-hour time-

weighted average to protect against hearing loss.

• A worker is using a ladder on an uneven surface. What is the nurse’s priority action?
• Allow the worker to proceed cautiously
• Ensure the ladder is stabilized or leveled
• Replace the ladder with a scaffold
• Instruct the worker to avoid climbing
• Ensure the ladder is stabilized or leveled

Rationale: Stabilizing the ladder prevents falls, a common workplace hazard.

• What is the first step in responding to a chemical spill in the workplace?
• Clean the spill immediately
• Evacuate the area and notify a supervisor
• Dilute the chemical with water
• Continue work in the area
• Evacuate the area and notify a supervisor 1 / 2

Rationale: Evacuation and notification ensure safety and allow trained personnel to handle the spill.

• Which type of fire extinguisher is most appropriate for a Class A fire?
• Carbon dioxide (CO2)
• Dry chemical
• Water
• Foam
• Water

Rationale: Class A fires involve ordinary combustibles (e.g., wood, paper), and water extinguishers are effective for extinguishing them.

• A worker reports symptoms of heat stress. What is the nurse’s priority action?
• Provide a cold sports drink
• Move the worker to a cool area
• Encourage the worker to continue working
• Apply a warm compress
• Move the worker to a cool area

Rationale: Removing the worker from heat exposure is the first step to prevent further heat stress.

• What is the minimum required clearance distance from overhead power lines for

workers using ladders?

• 5 feet
• 10 feet
• 15 feet
• 20 feet
• 10 feet

Rationale: OSHA requires at least 10 feet of clearance to prevent electrocution

hazards.

• A workplace has a high risk of slips and falls. What is the most effective prevention

strategy?

• Install warning signs only
• Keep floors clean and dry
• Require workers to move quickly
• Use non-slip shoes occasionally
• Keep floors clean and dry

Rationale: Maintaining clean, dry floors is the most effective way to reduce slip and fall risks.

• Which OSHA standard requires employers to provide personal protective equipment

(PPE)?

A) 29 CFR 1910.120

B) 29 CFR 1910.132

C) 29 CFR 1910.147

D) 29 CFR 1910.178

B) 29 CFR 1910.132

Rationale: This standard mandates PPE provision and use to protect workers from

hazards.

• What is the primary purpose of a lockout/tagout (LOTO) procedure?
• To improve equipment efficiency
• To prevent unauthorized equipment use
• To protect workers from hazardous energy
• To track maintenance schedules
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