500 Best Building Materials MCQ
Q193). In order of increasing percentage of silica, the correct sequence is
a).sandy clay, calcareous clay, pure clay
b).calcareous clay, pure clay, sandy clay
c).pure clay, sandy clay, calcareous clay
d).None of these.
Correct Answer:
calcareous clay, pure clay, sandy clay
Explanation:
Q194). The rocks which are formed due to pouring of magma at the earth’s surface are called
a).Plutonic rocks
b).Hypabyssal rocks
c).Volcanic rocks
d).Igneous rocks
Correct Answer:
Volcanic rocks
Explanation:
Q195). Pick up the correct statement from the following:
a).Steel produced by open hearth process is milder than that obtained by the bessemer process
b).Engineers prefer open hearth steel for structural purpose as it is more homogenous
c).Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
d).all the above.
Correct Answer:
all the above.
Explanation:
Q196). Pick up the correct statement from the following:
a).The distinct plane of division along which a stone can easily be split, is called natural bed of stone
b).The natural bed of sedimentary rocks is along the planes of stratification
c).The natural bed of igneous rocks is not defined
d).All the above.
Correct Answer:
All the above.
Explanation:
Q197). Invar contains
a).12% of nickel
b).24% of nickel
c).30% to nickel
d).36% of nickel.
Correct Answer:
36% of nickel.
Explanation:
Q198). Based on flow quality, the sequence of pipes is
a).A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
b).C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
c).C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
d).None of these.
Correct Answer:
C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
Explanation:
Q199). The pigment used in paints for corrosive resistance, is
a).white lead
b).ferrous oxide
c).zinc white
d).red lead
Correct Answer:
red lead
Explanation:
Q200). A well seasoned timber may contain moisture up to
a).4 to 6%
b).6 to 8%
c).8 to 10%
d).10 to 12%.
Correct Answer:
10 to 12%.
Explanation: