Free MCQs & Online Quiz Practice for Exams

Q: What is the SI unit of force?

A) Pascal

B) Newton

C) Watt

D) Joule

Q: What is the SI unit of pressure?

A) Joule

B) Newton

C) Pascal

D) Watt

Q: Which instrument is commonly used to measure horizontal and vertical angles in surveying?

A) Level

B) Plane table

C) Chain

D) Theodolite

Q: What is the primary purpose of a benchmark in surveying?

A) To measure temperature

B) To measure distance

C) To provide a reference elevation

D) To determine soil type

Q: Which test is commonly used to determine the workability of fresh concrete?

A) Slump test

B) Compression test

C) Tensile test

D) Impact test

Q: What does the water-cement ratio primarily affect in concrete?

A) Aggregate size

B) Strength and workability

C) Color of concrete

D) Steel diameter

Q: Which material is mainly responsible for binding the ingredients of concrete together?

A) Sand

B) Coarse aggregate

C) Water

D) Cement

Q: What is the approximate specific gravity of ordinary Portland cement?

A) 2.0

B) 1.0

C) 3.15

D) 5.0

Q: Which test is used to determine the compressive strength of concrete?

A) Cube compression test

B) Vicat test

C) Sieve analysis

D) Slump test

Q: What is the main function of coarse aggregate in concrete?

A) To prevent hydration

B) To increase cement content

C) To provide bulk and strength

D) To act as a binder

Q: Which aggregate generally passes through a 4.75 mm sieve?

A) Fine aggregate

B) Coarse aggregate

C) Boulder

D) Large gravel

Q: What is the main purpose of curing concrete?

A) To dry the concrete quickly

B) To maintain moisture for hydration

C) To reduce cement content

D) To increase aggregate size

Q: Which chemical process causes cement to gain strength after mixing with water?

A) Oxidation

B) Evaporation

C) Condensation

D) Hydration

Q: What is the initial setting time of ordinary Portland cement generally required to be not less than?

A) 60 minutes

B) 120 minutes

C) 10 minutes

D) 30 minutes

Q: What is the main purpose of reinforcement in reinforced concrete?

A) To reduce concrete density

B) To resist tensile stresses

C) To prevent cement hydration

D) To increase water content

Q: Concrete is generally strong in which type of stress?

A) Compression

B) Torsion

C) Tension

D) Shear only

Q: Steel reinforcement is mainly provided in a reinforced concrete beam to resist?

A) Concrete shrinkage only

B) Temperature only

C) Tensile forces

D) Dead load only

Q: What is the purpose of concrete cover over reinforcement?

A) To increase water absorption

B) To protect reinforcement from corrosion and fire

C) To increase concrete color

D) To reduce concrete strength

Q: Which type of cement is commonly used for general construction?

A) Sulphur cement

B) White lime only

C) Ordinary Portland cement

D) Magnesium cement

Q: What is the purpose of a foundation in a building?

A) To transfer loads safely to the ground

B) To decorate the building

C) To increase roof height

D) To reduce wall thickness