Civil Engineering PE Prep 2

Question 1

A simply supported beam with a 20-ft span carries a uniformly distributed load of 2 kip/ft. What is the maximum bending moment?

Accepted Answer

100 kip-ft

Answer

200 kip-ft

Answer

400 kip-ft

Answer

50 kip-ft

Question 2

Which of the following best describes the 'modulus of elasticity' (E) for steel used in structural design?

Accepted Answer

29,000 ksi

Answer

57,000√f'c psi

Answer

4,000 ksi

Answer

200 ksi

Question 3

A soil sample has a dry unit weight of 100 pcf and a specific gravity of solids Gs = 2.65. What is the void ratio?

Accepted Answer

0.65

Answer

0.72

Answer

1.65

Answer

0.38

Question 4

During the Civil PE exam, which reference document is provided to all examinees?

Accepted Answer

NCEES PE Civil Reference Handbook

Answer

ASCE 7 Standard

Answer

ACI 318 Code

Answer

AISC Steel Manual

Question 5

A concrete mix has a water-to-cement ratio (w/c) of 0.45. Increasing w/c generally results in which effect?

Accepted Answer

Decreased compressive strength

Answer

Increased compressive strength

Answer

Decreased workability

Answer

No effect on strength

Question 6

For a trapezoidal open channel with bottom width b = 4 ft, side slopes z = 2 (H:V), and flow depth y = 2 ft, what is the hydraulic radius?

Accepted Answer

1.05 ft

Answer

1.50 ft

Answer

2.00 ft

Answer

0.75 ft

Question 7

A retaining wall must resist overturning. The factor of safety against overturning is typically computed as:

Accepted Answer

Resisting moment / Overturning moment

Answer

Overturning moment / Resisting moment

Answer

Vertical load / Horizontal load

Answer

Passive pressure / Active pressure