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Free MCQs & Online Quiz Practice for Exams

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Q: What is the SI unit of force?

A) Pascal

B) Newton

C) Watt

D) Joule

Answer: B. Newton

Q: What is the SI unit of pressure?

A) Joule

B) Newton

C) Pascal

D) Watt

Answer: C. Pascal

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

A) Level

B) Plane table

C) Chain

D) Theodolite

Answer: 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

Answer: C. To provide a reference elevation

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

Answer: A. Slump 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

Answer: B. Strength and workability

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

A) Sand

B) Coarse aggregate

C) Water

D) Cement

Answer: 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

Answer: C. 3.15

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

Answer: A. Cube compression 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

Answer: C. To provide bulk and strength

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

A) Fine aggregate

B) Coarse aggregate

C) Boulder

D) Large gravel

Answer: A. Fine aggregate

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

Answer: B. To maintain moisture for hydration

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

A) Oxidation

B) Evaporation

C) Condensation

D) Hydration

Answer: 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

Answer: 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

Answer: B. To resist tensile stresses

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

A) Compression

B) Torsion

C) Tension

D) Shear only

Answer: A. Compression

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

Answer: C. Tensile forces

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

Answer: B. To protect reinforcement from corrosion and fire

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

Answer: C. Ordinary Portland 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

Answer: A. To transfer loads safely to the ground