Nc Gc Seminars - 1
NC Building General Contractor Practice Test
Questions and Answers
- 1.
Which Of the below rocks would be the easiest to rip?
- A.
Igneous
- B.
Metamorphic
- C.
Sedimentary
- D.
Lava
Correct Answer
C. SedimentaryExplanation
Sedimentary rocks would be the easiest to rip because they are formed from the accumulation and compression of sediments over time. These sediments are typically loose and unconsolidated, making them easier to break apart compared to igneous or metamorphic rocks which have undergone processes like solidification or recrystallization. Lava, on the other hand, is molten rock that has not yet solidified, so it would not be considered a rock and therefore not a valid answer to the question.Rate this question:
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- 2.
What type of blade should be used when pushing soil longer distances?
- A.
Straight blade
- B.
Angled blade
- C.
"U" shaped blade
- D.
Scraper blade
Correct Answer
C. "U" shaped bladeExplanation
A "U" shaped blade should be used when pushing soil longer distances. This type of blade is designed to efficiently move large amounts of soil without causing excessive resistance or friction. The curved shape of the blade allows it to scoop up and carry more soil with each push, making it ideal for pushing soil over longer distances. The "U" shape also helps to prevent the soil from spilling out of the blade, ensuring that more soil is moved with each push.Rate this question:
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- 3.
What is the maximum that sheathing should be cut back on tendons?
- A.
1 inch
- B.
2 inches
- C.
3 inches
- D.
6 inches
Correct Answer
A. 1 inchExplanation
The maximum that sheathing should be cut back on tendons is 1 inch. This is because cutting back the sheathing too much can expose the tendons to moisture, which can lead to corrosion and damage over time. By limiting the cut back to 1 inch, the tendons are still protected while allowing for proper installation and anchoring.Rate this question:
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- 4.
Which of the below would be correct method of storing tendon coils?
- A.
In open sunlight so it can get air and remain dry
- B.
Outside covered by tarps wrapped tightly, flat on top with boards to hold tarp down
- C.
Outside laid flat on sides no more than two coils high
- D.
Stored in a dry area on dunnage to keep the tendons off the ground
Correct Answer
D. Stored in a dry area on dunnage to keep the tendons off the groundExplanation
Storing tendon coils in a dry area on dunnage helps to protect the tendons from moisture and potential damage. Dunnage provides a barrier between the tendons and the ground, preventing any contact that could cause moisture absorption or deterioration. Keeping the tendons off the ground also reduces the risk of contamination and allows for proper air circulation, ensuring that the tendons remain dry and in good condition.Rate this question:
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- 5.
Usually air-entrained lightweight concrete has a slump of 2 to 3 inches, what would be the maximum slump you would seldom exceed?
- A.
2 Inches
- B.
3 Inches
- C.
4 Inches
- D.
5 Inches
Correct Answer
D. 5 InchesExplanation
The maximum slump that would seldom be exceeded for air-entrained lightweight concrete is 5 inches. This means that the concrete should have a slump value of 5 inches or less in order to maintain its desired properties and performance. A higher slump value can lead to issues such as segregation, excessive bleeding, and reduced strength and durability of the concrete. Therefore, it is important to seldom exceed the maximum slump of 5 inches to ensure the quality and integrity of the concrete.Rate this question:
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- 6.
Concrete that is low in heat and hydration is:
- A.
Type I
- B.
Type II
- C.
Type III
- D.
Type IV
Correct Answer
D. Type IVExplanation
Type IV concrete is low in heat and hydration. This type of concrete is specifically designed to have a slow hydration process, which reduces the heat generated during curing. This makes it suitable for large mass concrete structures, such as dams and foundations, where excessive heat can cause cracking and structural issues. Type IV concrete is often used in situations where heat control is crucial to ensure the durability and integrity of the structure.Rate this question:
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- 7.
When using air-entrainment in concrete as an admixture it will help with the freezing and thawing conditions over the life of the concrete, air-entrainment also will:
- A.
Improve the workability
- B.
Make the concrete stiffer
- C.
Allows the concrete to keep cooler temperatures
- D.
Makes the concrete lose slump
Correct Answer
A. Improve the workabilityExplanation
Air-entrainment in concrete as an admixture improves the workability of the concrete. This means that it makes the concrete easier to mix, place, and finish. It increases the flowability of the concrete, making it more manageable and reducing the need for excessive water content. This is beneficial because it allows for better consolidation and reduces the risk of segregation and bleeding. Overall, air-entrainment enhances the overall performance and durability of the concrete, especially in freezing and thawing conditions.Rate this question:
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- 8.
Which of the below tools would a mason use to cut a brick that was going to be hidden on the inside by mortar?
- A.
Brick saw
- B.
Masons trowel
- C.
Brick chisel
- D.
Brick hammer
Correct Answer
D. Brick hammerExplanation
A mason would use a brick hammer to cut a brick that is going to be hidden on the inside by mortar. A brick hammer is specifically designed for cutting and shaping bricks. It has a chisel-like end that can be used to score the brick, and a hammer end that can be used to break the brick along the scored line. This tool allows the mason to cut the brick to the desired size without damaging the surrounding bricks or mortar.Rate this question:
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- 9.
The filling in with fresh mortar of cut out or defective mortar joints would be which of the below terms?
- A.
Pointing up
- B.
Grouting joints
- C.
Repairing joints
- D.
Tuck-pointing
Correct Answer
D. Tuck-pointingExplanation
Tuck-pointing refers to the process of filling in cut out or defective mortar joints with fresh mortar. It is a technique used to repair and restore the appearance of masonry structures. This involves removing the old mortar and applying new mortar in a way that creates the illusion of fine joints. Tuck-pointing is commonly used to enhance the aesthetic appeal of brickwork or stonework.Rate this question:
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- 10.
Which of the below brick bonds would be the weakest?
- A.
Flemish bond
- B.
Common bond
- C.
Stack bond
- D.
Running bond
Correct Answer
C. Stack bondExplanation
A stack bond is the weakest brick bond because it involves laying bricks directly on top of each other without any overlapping or interlocking. This lack of interlocking makes the bond more susceptible to lateral forces and can cause the bricks to easily separate or shift. In contrast, other brick bonds like Flemish bond, Common bond, and Running bond involve overlapping and interlocking of bricks, providing greater strength and stability to the structure.Rate this question:
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- 11.
What type of steel decking has wire chases for telephone, electrical, and computer wires?
- A.
Wide rib decking
- B.
Deep rib decking
- C.
Intermediate rib decking
- D.
Cellular decking
Correct Answer
D. Cellular deckingExplanation
Cellular decking is a type of steel decking that has wire chases for telephone, electrical, and computer wires. This means that it has channels or spaces within the decking where these wires can be routed and concealed. Wide rib decking, deep rib decking, and intermediate rib decking do not have wire chases, making cellular decking the correct answer.Rate this question:
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- 12.
On an open web joist 43 feet long, what would be the approximate camber needed?
- A.
1/4 inch
- B.
1/2 inch
- C.
5/8 inch
- D.
3/4 inch
Correct Answer
D. 3/4 inchExplanation
The approximate camber needed on an open web joist 43 feet long would be 3/4 inch. Camber refers to the slight upward curve or arch that is intentionally built into a joist to counteract the deflection caused by the weight it will bear. In this case, the length of the joist is relatively long, which requires a larger camber to ensure proper support and prevent sagging or bending over time. Therefore, the approximate camber needed is 3/4 inch.Rate this question:
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- 13.
When erecting K-Series Joists supported by masonry or concrete the ends shall extend not less than 4 inches on the wall and rest on a steel plate of not less than what width?
- A.
4 inches
- B.
6 inches
- C.
8 inches
- D.
9 inches
Correct Answer
B. 6 inchesExplanation
When erecting K-Series Joists supported by masonry or concrete, the ends need to extend not less than 4 inches on the wall. To ensure proper support and stability, the ends should rest on a steel plate that is at least 6 inches wide. This width provides a sufficient surface area for the joist ends to rest on and distribute the load evenly, preventing any potential failure or collapse.Rate this question:
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- 14.
Camber in an open wed short span steel joist is?
- A.
Minimal
- B.
Optional
- C.
Required
- D.
Engineered
Correct Answer
B. OptionalExplanation
Camber in an open web short span steel joist is optional. This means that it is not mandatory or required to have camber in this type of joist. Camber refers to a slight upward curve or arch in the joist, which is often added to offset deflection or sagging that may occur over time. However, in the case of an open web short span steel joist, camber is not necessary and can be chosen to be included or not based on the specific design requirements or preferences.Rate this question:
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- 15.
What is the minimum slope that metal roofing shingles may be installed on?
- A.
1/12
- B.
2/12
- C.
3/12
- D.
4/12
Correct Answer
C. 3/12Explanation
Metal roofing shingles should be installed on a minimum slope of 3/12. This means that for every 12 units of horizontal distance, there should be a minimum rise of 3 units. Installing the shingles on a slope less than this can cause water pooling and potential leaks. Therefore, a slope of 3/12 is the minimum requirement for proper installation of metal roofing shingles.Rate this question:
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- 16.
What is the minimum thickness of concrete bearing walls?
- A.
5 1/2 inches
- B.
6 inches
- C.
6 1/2 inches
- D.
8 inches
Correct Answer
A. 5 1/2 inchesExplanation
The minimum thickness of concrete bearing walls is 5 1/2 inches. This thickness is necessary to provide sufficient strength and stability to the walls, ensuring that they can support the load and pressure exerted on them. A thinner wall would not be able to withstand these forces and could potentially collapse or fail. Therefore, 5 1/2 inches is the minimum thickness required for concrete bearing walls.Rate this question:
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- 17.
The polyethylene vapor retarder under floor slabs shall be lapped not less than six inches and not less than what thickness?
- A.
2 mil
- B.
4 mil
- C.
6 mil
- D.
8 mil
Correct Answer
C. 6 milExplanation
The polyethylene vapor retarder under floor slabs should be lapped not less than six inches and not less than 6 mil thickness. This means that the polyethylene sheet used as a vapor retarder should have a minimum thickness of 6 mils (thousandths of an inch) and the laps or overlaps between sheets should be at least six inches wide. This ensures that the vapor retarder effectively prevents the passage of moisture through the floor slab, protecting the structure from potential damage caused by moisture infiltration.Rate this question:
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- 18.
The employer should get I-9 forms from employees within how many days of hire?
- A.
The day of hire
- B.
One day
- C.
Two days
- D.
Three days
- E.
Ten days
Correct Answer
D. Three daysExplanation
The employer should get I-9 forms from employees within three days of hire. This is because the Immigration Reform and Control Act (IRCA) requires employers to verify the identity and employment eligibility of their employees by completing and retaining Form I-9. The form must be completed within three business days of the employee's first day of work. Failure to comply with this requirement may result in penalties for the employer.Rate this question:
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- 19.
A company changing its address should report the address change to the NC Licensing Board in how many days?
- A.
30 days
- B.
60 days
- C.
90 days
- D.
120 days
Correct Answer
A. 30 daysExplanation
A company changing its address should report the address change to the NC Licensing Board within 30 days. This is important to ensure that the licensing board has the most up-to-date information about the company's location. Reporting the change promptly allows the board to update their records and communicate any necessary information or updates to the company at their new address. Failing to report the address change within the specified timeframe may result in penalties or complications with licensing and regulatory compliance.Rate this question:
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- 20.
All of the following are considered parts of a source document except:
- A.
Tax return
- B.
Cash receipts
- C.
Purchase order
- D.
Time cards
Correct Answer
A. Tax returnExplanation
A tax return is not considered a part of a source document because it is a document that is generated by an individual or a business to report their income and expenses to the tax authorities. It is not a document that is used to record or track financial transactions or activities within the organization. On the other hand, cash receipts, purchase orders, and time cards are all examples of source documents that are used to document and track financial transactions, purchases, and employee work hours respectively.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 16, 2010Quiz Created by
Don Messer
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