Civil Engineering
Civil Engineering MCQs with Answers and Explanations
Civil engineering MCQs with answers and detailed explanations for PEC, NTS, WAPDA, PPSC and engineering job tests. Free subject-wise online practice. Take a scored quiz instead →
The California Bearing Ratio (CBR) test on subgrade soil is used to evaluate:
ATensile strength of concrete base
BShear strength and thickness design of flexible pavements
CFlexural strength of rigid pavement slabs
DOptimum moisture content of subgrade
What parameter is used to classify open channel flow as subcritical, critical, or supercritical?
AReynolds Number
BFroude Number
CWeber Number
DMach Number
In highway design, stopping sight distance (SSD) consists of two main distance components:
ALag distance and Braking distance
BOvertaking distance and Acceleration distance
CReaction distance and Passing distance
DHeadlight distance and Clear distance
Bernoulli’s equation for fluid flow is derived based on the fundamental principle of conservation of:
AMass
BMomentum
CEnergy
DAngular Momentum
The Darcy-Weisbach friction factor ‘f’ for laminar flow in a smooth circular pipe depends only on Reynolds number (Re) and is given by:
A16 / Re
B32 / Re
C64 / Re
D0.316 / (Re)^0.25
Darcy’s Law for fluid flow through porous saturated soil media is valid only when flow condition is:
ATurbulent flow
BLaminar flow
CTransitional flow
DUnsteady rotational flow
Which index parameter in soil mechanics is defined as the difference between Liquid Limit (LL) and Plastic Limit (PL)?
ALiquidity Index
BConsistency Index
CPlasticity Index
DToughness Index
According to Terzaghi’s bearing capacity theory, the failure surface for a shallow strip footing undergoing general shear failure consists of how many distinct zones?
A2 zones
B3 zones
C4 zones
D5 zones
In surveying, what is the allowable error in chaining for rough terrain or ordinary measurement with a chain?
A1 in 100
B1 in 250
C1 in 500
D1 in 1000
If the whole circle bearing (WCB) of a line is 135 degrees 30 minutes, its reduced bearing (RB) is:
AN 44° 30' E
BS 44° 30' E
CS 44° 30' W
DN 44° 30' W