Strength of Materials MCQ with Answers

166) In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at lease ______ the total water pressure per meter length.

Answer is:

1.5 times

Explanation:

A dam is constructed to store large quantity of water, which is used for the purpose of irrigation and power generation. A dam constructed with earth is called an earthen dam whereas a dam constructed with cement concrete is called masonry dam or gravity dam.

A dam may be of any cross- section, but the dams of trapezoidal cross-section are very popular these days. A retaining wall is generally constructed to retain earth in hilly areas.

167) In order to prevent crushing of masonry at the base of the dam, the maximum stress should be ______ the permissible stress of the soil

Answer is:

less than

168) The Rankine's theory for active earth pressure is based on the assumption that

Answer is:

all of the above

169) A reinforced cement concrete beam is considered to be made of

Answer is:

heterogeneous material

170) The steel bars in a reinforced cement concrete beam are embedded ______ of the beam.

Answer is:

166) In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at lease ______ the total water pressure per meter length.

1.5 times

167) In order to prevent crushing of masonry at the base of the dam, the maximum stress should be ______ the permissible stress of the soil

less than

168) The Rankine's theory for active earth pressure is based on the assumption that

all of the above

169) A reinforced cement concrete beam is considered to be made of

heterogeneous material

170) The steel bars in a reinforced cement concrete beam are embedded ______ of the beam.

near the bottom