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For a column with diameter 180 mm and reinforcing bars 12 mm, minimum possible
clear cover is

A) 20mm B) 25mm

©) 30mm D) 40 mm

As per IS 456 the structure shall have a factor of safety against sliding not less
than
A) 1.2 B) 1.3 C) 1.4 D) 1.5

For braced columns, the effective length is between
A) ( 810 21 B) 0.5/ and 2/
©) 0.5/ and / D) 0.5/ and 1.5/

An RCC water tank to be designed for a volume of 25 mS, not located in coastal area.
As per Indian standards, the minimum possible grade of concrete is

A) M20 B) M25 C) M30 D) M35

As per IS 3370, parts of RCC structure retaining the liquid or enclosing the space
above the liquid shall be considered as subject to at least

A) Mild exposure condition B) Moderate exposure condition

C) Severe exposure condition D) Very severe exposure condition

The minimum reinforcement required for RCC tank walls, using mild steel is
A) 0.64% B) 0.35% C) 0.15% D) 0.12%

The minimum eccentricity to be considered in the design of a long RCC column is
A) 25mm B) 20mm ©) 10 mm D) 5mm

For pre-tensioned prestressed concrete, the grade of concrete shall be not less
than

A) M45 B) M40 C) M35 D) M30

Which of the following is not a cause for immediate loss in the case of prestressed
concrete ?

A) Elastic shortening B) Friction
C) Anchorage slip D) Relaxation

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