Free MCQs & Online Quiz Practice for Exams

Q: If cracks appear in a newly constructed concrete member, what should be done first?

A) Ignore them permanently

B) Remove all reinforcement

C) Assess the cracks and determine their cause and significance

D) Immediately cover all cracks with paint

Q: What is the purpose of a plate load test?

A) To test steel elongation

B) To determine concrete slump

C) To measure cement fineness

D) To estimate bearing capacity and settlement characteristics of soil at shallow depths

Q: What is passive earth pressure?

A) Pressure from roof loads

B) Pressure inside a foundation

C) Resistance developed when a wall moves toward the soil

D) Pressure caused by rainfall only

Q: What is the main purpose of sheet piles?

A) To retain soil or water using interlocking sections

B) To reinforce concrete beams

C) To measure groundwater quality

D) To support roof slabs

Q: What is the primary cause of expansion in unsound cement?

A) Excessive water

B) Low cement content

C) Free lime or magnesia

D) Excessive fine aggregate

Q: What is the purpose of aggregate grading?

A) To eliminate coarse aggregate

B) To achieve a suitable distribution of particle sizes

C) To determine cement type

D) To increase water content

Q: What is a sedimentation tank used for in wastewater treatment?

A) To compact sludge mechanically only

B) To allow suspended solids to settle

C) To add cement

D) To increase dissolved solids

Q: What is the main purpose of dewatering during excavation?

A) To increase soil moisture intentionally

B) To cure concrete

C) To control groundwater and keep the excavation sufficiently dry and stable

D) To increase groundwater level

Q: What is the purpose of distribution reinforcement in a reinforced concrete slab?

A) To distribute loads and control effects such as temperature and shrinkage

B) To eliminate concrete cover

C) To increase soil bearing capacity

D) To replace main reinforcement completely

Q: Why is drainage provided behind retaining walls?

A) To increase wall weight only

B) To reduce hydrostatic pressure

C) To increase water pressure

D) To eliminate soil friction

Q: What is the main advantage of rigid pavement compared with flexible pavement?

A) It never experiences temperature effects

B) It contains no joints

C) It distributes loads over a relatively wide area through slab action

D) It always requires less construction time

Q: The impact value test of aggregate primarily measures resistance to?

A) Chemical attack

B) Thermal expansion

C) Sudden impact or shock

D) Water absorption only

Q: What is consolidation settlement mainly associated with?

A) Expulsion of water from saturated compressible soil

B) Expansion of steel

C) Road traffic only

D) Immediate evaporation from concrete

Q: What is the main purpose of a retarding admixture?

A) To delay setting

B) To increase aggregate size

C) To accelerate setting

D) To eliminate curing

Q: Which property of cement indicates the time required for cement paste to start losing its plasticity?

A) Soundness

B) Fineness

C) Specific gravity

D) Setting time

Q: What is a factor of safety used for in engineering design?

A) To provide a margin between expected capacity and design demand

B) To avoid calculations

C) To eliminate all loads

D) To reduce material strength

Q: What is differential settlement?

A) Movement caused only by wind

B) Uniform upward movement of a building

C) Increase in concrete strength

D) Unequal settlement of different parts of a structure

Q: Which type of load is caused by the permanent weight of a structure?

A) Impact load

B) Wind load

C) Dead load

D) Live load

Q: What is the main purpose of the fineness test of cement?

A) To measure concrete density

B) To determine aggregate strength

C) To determine steel yield strength

D) To determine particle size and rate of hydration

Q: What is the main purpose of prestressing?

A) To reduce structural capacity

B) To eliminate concrete completely

C) To introduce beneficial compressive stresses before service loading

D) To increase dead load