Kaplan Quiz Questions

Question 1

If you are pouring a large concrete slab and wish to avoid random cracks caused by shrinkage, you would likely provide

A. expansion joints
B. isolation joints
C. control joints
D. construction joints

Answer 1

C. control joints

Question 2

When pouring concrete in hot weather, what kind of agent would one add to the mixture?

A. Retarding agent
B. Air-entraining agent
C. Hardening agent
D. Workability agent

Answer 2

A. Retarding agent

Question 3

The purpose of a concrete slump test is to

A. determine the plasticity of the mix.
B. measure the consistency and workability of the mix.
C. test the compression of the mix.
D. define the compression strength of the mix

Answer 3

B. measure the consistency and workability of the mix.

Question 4

Which of the following qualities are normally associated with lightweight concrete?

I. Good thermal insulation
II. High density
III. Excellent Fire Resistance
IV. Low cost
V. Difficulty of handling

A. I and III
B. II and III
C. I, III, and V
D. II, IV, and V

Answer 4

A. I and III

I. Good thermal insulation
III. Excellent Fire Resistance

Question 5

The principal determinant of concrete strength is the

A. amount of air entrained
B. type of Portland cement used
C. volume of aggregate in the mix.
D. water-cement ratio

Answer 5

D. water-cement ratio

Question 6

In curing concrete slabs, which of the following procedures is rarely used?

A. Overlay with plastic membrane
B. Spray with moisture
C. Blow with fans
D. Cover with sand

Answer 6

C. Blow with fans

Question 7

While observing a concrete pour, an architect notices that the entire concrete load has been deposited from a 6-foot height at the middle of a 40-foot-long form. The architect should direct the contractor to

A. spread the concrete through the length of the form.
B. pour the next two concrete loads at each end of the form.
C. Pour the next load in exactly the same location.
D. remove and discard the concrete.

Answer 7

D. remove and discard the concrete.

Question 8

The steel in reinforced concrete

A. furnished rigidity
B. provides tensile strength
C. increases bond strength
D. adds ductility and durability

Answer 8

B. provides tensile strength

Question 9

The size of coarse aggregate in a concrete mix is governed by the

I. type of cement used.
II. strength of concrete desired.
III. thickness of concrete section
IV. water-cement ratio
V. space between reinforcing bars.

A. V only
B. I and IV
C. II and III
D. III and V

Answer 9

D. III and V

III. thickness of concrete section
V. space between reinforcing bars.

Question 10

All of the following are advantages of using precast concrete sections, except

A. better quality control
B. faster curing
C. all-weather construction
D. greater economy

Answer 10

B. faster curing