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WorksheetsDay 108-Jan 17-worksheet-water tank & retaining wall design
Total questions: 15
Worksheet time: 9mins
Which IS Code is used for water tank design?
IS 3370 - 2009
IS 456 - 2000
IS 1893 - 2002
IS 10262 - 2009
Which of the following conditions is adopted in the design of water tanks?
WSM (Working Stress Method)
LSM (Limit State Method)
What is the minimum nominal cover for water tank design as per IS 3370?
25 mm
35 mm
45 mm
50 mm
Which of the following is a type of retaining wall used for heights greater than 6 meters?
Gravity Retaining Wall
Counterfort Retaining Wall
Semi-Gravity Retaining Wall
all
The active earth pressure in a retaining wall is directed towards the backfill.
True
False
Assertion (A): A gravity retaining wall resists earth pressure by its self-weight. Reason (R): A gravity retaining wall is designed to prevent overturning by ensuring that the resultant force falls within the middle third of the wall.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
In the design of water tanks, the maximum permissible grade for concrete is (a) .
The term “ (a) ” refers to the material behind the retaining wall that is being retained.
The height of the resultant lateral earth load acting on a retaining wall is assumed to be at (a) of the wall height.
For counterfort retaining walls, the stem and heel act as a (a) .
The maximum eccentricity for a gravity retaining wall should not exceed (a) of the base.
The critical section for reinforcement in a cantilever retaining wall is the junction between the ________ and ________.
(a)
In a retaining wall, if the sliding force exceeds the frictional resistance, it results in (a) .
Calculate the bending moment for a cantilever retaining wall of height 6m, where the earth pressure (w) is 10kN/m².
(a)
For a cantilever retaining wall, the total vertical load (w) on the stem is 20 kN. If the wall height is 5 m, calculate the position of the resultant load.
(a)
