Wood is a/an __________ material.
Question: Wood is a/an __________ material.
[A].
amorphous
cellular
homogeneous
grannular
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Fresh sewage is __________ in nature.
Question: Fresh sewage is __________ in nature.
[A].acidic [B].
neutral [C].
alkaline [D].
highly acidic Answer: Option C
Explanation:
No answer description available for this question.
Baffles are provided in heat exchangers to increase the
Question: Baffles are provided in heat exchangers to increase the
[A].fouling factor [B].
heat transfer area [C].
heat transfer co-efficient [D].
heat transfer rate Answer: Option C
Explanation:
No answer description available for this question.
Feed check valve is used in steam boilers to
Question: Feed check valve is used in steam boilers to
[A].check the water level in the boiler. [B].
check the feed water flow rate. [C].
feed high pressure water to boiler and guard against its backflow through it. [D].
none of these. Answer: Option C
Explanation:
No answer description available for this question.
Heating the hypoeutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called
Question: Heating the hypoeutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called
[A].tempering [B].
hardening [C].
annealing [D].
normalising Answer: Option C
Explanation:
No answer description available for this question.
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.
Question: With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.
[A].increases [B].
decreases [C].
remains same [D].
increases linearly Answer: Option A
Explanation:
No answer description available for this question.
_______________ is a non volatile film forming constituent of a paint ?
_______________ is a non volatile film forming constituent of a paint ?A. Thinner
B. Dryer
C. Drying oil
D. None of these