Question: Ceramic tips for the cutting tool are prepared from __________ powder.
[A].carbon
silicon carbide
aluminium oxide
tungsten
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
CHEMICAL ENGINEERING
Heating of an ore below its melting point in presence of excess of air is called
Question: Heating of an ore below its melting point in presence of excess of air is called
[A].calcination
smelting
roasting
sublimation
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Carbon percentage in high speed steel tool material is 0.6 to 1.0. The hardness of carbon tool steels is increased, when it is alloyed with
Question: Carbon percentage in high speed steel tool material is 0.6 to 1.0. The hardness of carbon tool steels is increased, when it is alloyed with
[A].vanadium & chromium
silicon
tungsten
manganese
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Drills are usually made of
Question: Drills are usually made of
[A].cermets
high speed steel
alloy steel
tungsten carbide
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
Question: Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
[A].grey
black
opaque
white
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
Question: __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
[A].Stellite
High speed steel
Cermet
Alnico
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and
Question: Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and
[A].manganese
silicon
nickel
chromium
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
Question: Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
[A].creep
fatigue
endurance
tensile
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.
Question: In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.
[A].film
nucleate
transition
all modes of
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Faraday’s law of electrolysis is related to the
Question: Faraday’s law of electrolysis is related to the
[A].cation speed.
atomic number of the cation.
equivalent mass of the electrolyte.
none of these.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.