Civil Engineering PE Basic Civil Engineering PE 4

Question 1

A column with both ends pinned has an effective length factor (K) of:

Accepted Answer

1.0

Answer

0.5

Answer

0.7

Answer

2.0

Question 2

In hydrology, the Rational Method formula Q = CiA is used to estimate peak runoff. What are the units of 'i' in US customary units?

Accepted Answer

in/hr

Answer

ft/hr

Answer

ft³/s

Answer

gal/min

Question 3

Terzaghi's general bearing capacity equation for a strip footing on c-φ soil includes which three terms?

Accepted Answer

Cohesion, surcharge, and self-weight of soil below footing

Answer

Cohesion, friction angle, and depth

Answer

Surcharge, water table, and foundation width

Answer

Unit weight, depth, and settlement

Question 4

Which ASCE 7 load combination governs for uplift on a roof during a wind event?

Accepted Answer

0.9D + 1.0W

Answer

1.2D + 1.6W

Answer

1.2D + 1.0E

Answer

1.4D

Question 5

The Hazen-Williams equation is used for:

Accepted Answer

Pressure pipe flow in water distribution systems

Answer

Open channel flow calculations

Answer

Sediment transport in rivers

Answer

Pump cavitation analysis

Question 6

In roadway design, a vertical curve is used to connect two tangent grades. The length of a crest vertical curve is primarily controlled by:

Accepted Answer

Design speed and algebraic difference in grades

Answer

Pavement type and traffic volume

Answer

Horizontal curve radius

Answer

Superelevation rate

Question 7

A steel tension member has a gross area of 6.0 in² and a net area of 4.8 in². Per AISC LRFD, if F_y = 50 ksi and F_u = 65 ksi, which limit state governs the design tensile strength?

Accepted Answer

Rupture on net area: φP_n = 187 kips

Answer

Yielding on gross area: φP_n = 270 kips

Answer

Block shear governs at 200 kips

Answer

Buckling governs at 180 kips