1. To prevent segregation, the concrete should not be thrown from a height of more than _____.

[A] 1.5 m
[B] 1 m
[C] 2.5 m
[D] 0.5 m

Answer: Option A

2. The slump recommended for mass concrete is about _____.

[A] 50 mm to 100 mm
[B] 100 mm to 125 mm
[C] 25 mm to 50 mm
[D] 125 mm to 150 mm

Answer: Option C


3. Separation of water or slurry from fresh concrete is known as ____.

[A] Creeping
[B] Segregation
[C] Bleeding
[D] None

Answer: Option C

4. _____ cement is suitable for use in massive concrete structures such as large dams.

[A] Low Heat Cement
[B] Ordinary Portland Cement
[C] Rapid Hardening Cement
[D] Sulphate Resisting Cement

Answer: Option A


5. Test carried out to determine tensile strength of concrete is called _____.

[A] Vee-Bee test
[B] triaxial loading test
[C] compression test
[D] Split test or Brazilian test

Answer: Option D


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