RRB JE exam Civil Engineering Building Materials Important MCQs – 13

121. The type of pile which is driven at an inclination to resist inclined forces is known as
a) friction pile
b) sheet pile
c) batter pile
d) anchor pile
Correct Option: c

122. The​​ minimum depth of foundation in clayey soils is
a) 0.5 m
b) 0.7 m
c) 0.9 m
d) 1.2 m
Correct Option: c

123. The maximum total settlement for raft foundation on clayey soils should be limited to
a) 25 mm
b) 25 to 40 mm
c) 40 to 65 mm
d) 65 to 100 mm
 Correct​​ Option: d

124. The bearing capacity of a water logged soil can be improved by
a) compacting the soil
b) draining the soil
c) increasing the depth of foundation
d) grouting
Correct Option: b

125. The type of flooring suitable for use in churches, theatres,​​ public libraries and other places where noiseless floor covering is desired is
a) cork flooring
b) glass flooring
c) wooden flooring
d) linoleum flooring
Correct Option: a

126. The vertical distance between the springing line and highest point of the innercurve of an arch is known as
a) intrados
b) rise
c) spandril
d) extrados
Correct Option: b

127. Depth or height of the arch is the
a) perpendicular distance between intra-dos and extrados
b) vertical distance between springing line and intrados
c) perpendicular distance between springing line and extrados
d) none of the above
Correct Option: a

128. The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as
a) haunch
b) spandril
c) voussoirs
d) skewbacks
Correct Option: b

129. The lintels are preferred to arches because
a) arches require more headroom to span the openings like doors, windows etc.
b) arches require strong abutments to withstand arch thrust
c) arches are difficult in construction
d) all of the above
Correct Option: d

130. In the construction of arches, sand box method is used for
a) centring
b) actual laying of arch work
c) striking of centring
d) none of the above
Correct Option: c