Technical Civil 001

The Strength of Cement Concrete for a given mix depends on

• Water-cement ratio

• Initial setting time

• Final setting time

• None of the above

The property of fresh concrete in which the water in the mix tends to rise to the surface of concrete while placing and compaction

• Bleeding

• Creep

• Shrinkage

• Segregation

M25 grade of concrete approximates to

• 1:3:6

• 1:1:2

• 1:2:4

• 1:1.5:3

Which of the following test gives the workability of concrete?

• Compression test

• Compaction factor test

• Split tension test

• Flexural test

As per IS specification full strength of concrete is attained after ___ days of Casting.

• 7

• 21

• 28

• 14

The Main reinforcement in the RCC cantilever members is placed at

• Top fibre

• Bottom fibre

• Side fibre

• Top fibre and Bottom fibre

The partial Safety factor for Concrete in limit state design is

• 1.25

• 1.00

• 1.50

• 1.15

Example of Rigid pavement is

• Water bound macadam road

• Concrete road

• Earthen road

• Bitumen road

The minimum % of Reinforcement bars provided in RCC slab is

• 0.4 %

• 0.15 %

• 0.12 %

• 0.2 %

The maximum % of longitudinal Reinforcement bars provided in RCC column is

• 0.8 %

• 2.0 %

• 4.0 %

• 6.0 %