CURRENTLY TESTING EXAM QUESTIONS AND ANSWERS | EXPERT
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Question 1
The strength and durability of concrete are most significantly affected by the: - (Correct Answer)
- Water-cement ratio
Question 2
What does the slump test measure in fresh concrete? - (Correct Answer) - Consistency and
workability
Question 3
According to NRS 624, all written contracts a contractor enters into must include their: - (Correct
Answer) - Name, license number, and monetary limit
Question 4
The primary purpose of steel reinforcement (rebar) in concrete is to provide: - (Correct Answer) -
Tensile strength
Question 5
What is the primary health hazard associated with cutting, grinding, or drilling hardened
concrete? - (Correct Answer) - Inhalation of crystalline silica dust
Question 6
What is the minimum amount of time an employer in Nevada must keep records of employment
taxes? - (Correct Answer) - 4 years
Question 7
The process of maintaining adequate moisture and temperature in freshly placed concrete is
known as: - (Correct Answer) - Curing
Question 8
In the linear equation y = mx + b, which is often used for cost estimating, what does 'm'
represent? - (Correct Answer) - The variable cost per unit (slope)
, [Type here]
Question 9
What is the purpose of a control joint (or contraction joint) in a concrete slab? - (Correct Answer)
- To create a weakened plane and control the location of random cracking
Question 10
A licensee must notify the Nevada State Contractors Board (NSCB) in writing of any change of
address within how many days? - (Correct Answer) - 30 days
Question 11
Which type of Portland cement is designated as "High Early Strength"? - (Correct Answer) -
Type III
Question 12
What is the primary purpose of an air-entraining admixture in concrete? - (Correct Answer) - To
improve its resistance to freeze-thaw cycles
Question 13
Which financial statement shows a company's assets, liabilities, and equity at a specific point in
time? - (Correct Answer) - Balance Sheet
Question 14
When using a concrete pump, what is a potential safety hazard? - (Correct Answer) - Hose
whipping or separation under pressure
Question 15
The term for the separation of coarse aggregate from the mortar in fresh concrete is: - (Correct
Answer) - Segregation
Question 16
Under NRS 108, a subcontractor on a residential project must serve a Notice of Right to Lien
upon the owner to secure their lien rights? - (Correct Answer) - True
Question 17
What is the primary function of formwork in concrete construction? - (Correct Answer) - To
mold the fresh concrete to the desired shape and support it until it hardens