Free General Contractors License MCQ Questions and answers

Question 1

What kind of screws are utilized for light-gauge steel and gypsum installation?

Accepted Answer

Type S screws

Answer

Type S screws are specifically engineered for fastening gypsum board to light-gauge steel studs or channels. They feature a sharp point for easy penetration and fine threads that provide a secure grip in thin metal, preventing stripping and ensuring a strong attachment. Their design is optimized for the specific requirements of drywall and light-gauge steel framing applications.

Question 2

The majority of a building's _____ load is often provided by the structural members' self-weight.

Accepted Answer

Dead

Answer

Dead load refers to the permanent, stationary weight of a building's structural components and fixed attachments. This includes the self-weight of structural members like beams, columns, walls, and the roof, as well as fixed equipment and finishes. Unlike live loads (temporary, movable weights) or wind loads (external forces), dead loads are constant and must be accounted for in all structural design calculations.

Question 3

Which of the following roof designs best fits this description: a roof with two slopes on each of its four sides, the lower slope being steeper than the top slope?

Accepted Answer

Mansard

Answer

A Mansard roof is characterized by having two slopes on each of its four sides, with the lower slope being significantly steeper than the upper slope. This distinctive design often incorporates dormer windows on the lower, steeper section, maximizing usable attic space and creating a unique architectural aesthetic. It is a defining feature of the Mansard architectural style.

Question 4

What is the definition of Ductility?

Accepted Answer

Ductility generally refers to the amount of inelastic deformation.

Answer

Ductility is a material property that describes its ability to undergo significant plastic (inelastic) deformation under tensile stress before fracturing. It quantifies how much a material can stretch, bend, or be drawn into a wire without breaking, allowing for considerable deformation beyond its elastic limit. This characteristic is crucial in engineering as ductile materials can absorb energy and provide warning signs of failure before catastrophic collapse.

Question 5

Regarding trusses, Which of the following statements is untrue?

Accepted Answer

Trusses are never used as repetitive lightweight members, such as steel bar

Answer

The statement that trusses are never used as repetitive lightweight members, such as steel bar, is untrue. Trusses, particularly steel bar joists, are very commonly used as repetitive lightweight structural members for roofs and floors in various types of buildings. Their triangulated geometry allows them to efficiently span long distances while minimizing material use and weight, making them an economical and effective choice for such applications.

General Contractor License Practice Test

General Contractor License Practice Test

Free General Contractors License MCQ Questions and answers