500 Best Building Materials MCQ
Q217). Snowcrete is one of the patent forms of
a).distempers
b).water proof cement paints
c).enamel paints
d).cellulose paints.
Correct Answer:
water proof cement paints
Explanation:
Q218). The usual percentages of clay and metal in cermet are :
a).50%, 50%
b).60%, 40%
c).70%, 30%
d).80%, 20%.
Correct Answer:
80%, 20%.
Explanation:
Q219). Pick up the correct statement from the following:
a).Horn blende mineral is brittle
b).Muscovite is also known as white mica and potashmica
c).Biotite is also known as blackmica
d).All the above.
Correct Answer:
All the above.
Explanation:
Q220). The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth’s surface are called
a).Plutonic rocks
b).Hypabyssal rocks
c).Volcanic rocks
d).Ignoeous rocks.
Correct Answer:
Hypabyssal rocks
Explanation:
Q221). The base material for distemper, is
a).chalk
b).lime
c).lime putty
d).cement wash.
Correct Answer:
chalk
Explanation:
Q222). The thermosetting plastic
a).becomes rigid when moulded at suitable pressure and temperature
b).at 127°C to 177°C permanently set and further application of heat does not soften it
c).charrs at 343°C
d).All the above.
Correct Answer:
All the above.
Explanation:
Q223). Pick up the synthetic resin from the following:
a).Malamine resin
b).Phenolic resin
c).Resorcinol resin
d).All the above.
Correct Answer:
All the above.
Explanation:
Q224). Slacking of lime is affected by
a).keeping it exposed to air
b).immersing the lime in water
c).crushing the lime lumps
d).none of these.
Correct Answer:
immersing the lime in water
Explanation: