NCCER Core Quiz

What is the primary reason for wearing safety goggles on a construction site?

• To protect against bright lights

• To protect your eyes from dust and flying particles

• To improve vision

• To protect against chemical splashes

Which of the following is NOT a hand tool used in construction?

• Hammer

• Screwdriver

• Circular saw

• Wrench

What is the term for the maximum load that a material can support without failure?

• Tensile strength

• Elasticity

• Yield strength

• Ultimate strength

To convert inches to feet, you divide the number of inches by:

• 10

• 12

• 24

• 36

Which of the following is an example of effective communication on a construction site?

• Using technical jargon when giving instructions

• Speaking loudly over machinery noise to give instructions

• Using hand signals when verbal communication is not possible

• Avoiding eye contact to not distract the listener

What is a key factor in becoming employable in the construction industry?

• Being related to someone already in the industry

• Having a strong work ethic

• Knowing how to do all the trades

• Being the strongest physically

Which of the following safety equipment is essential when working at heights?

• Earplugs

• Safety goggles

• Hard hat

• Harness

What is the purpose of a chisel in construction?

• To measure angles

• To cut or shape wood, stone, or metal

• To tighten bolts

• To mix materials

Which material is known for its high compressive strength but low tensile strength?

• Steel

• Wood

• Concrete

• Plastic

What is the formula to calculate the area of a rectangle?