Which of the following is not used as a bearing material ?
Which of the following is not used as a bearing material ?
A. Copper-lead alloys
B. Babbitts
C. Bronzes
D. Cermets
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The most abundant metal present in the earth’s crust is__________________?
The most abundant metal present in the earth’s crust is__________________?A. Iron
B. Copper
C. Titanium
D. AluminiumBrittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?
Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?A. Manganese
B. Magnesium
C. Vanadium
D. Copper_______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
_______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?A. Mach
B. Reynolds
C. Froude
D. WeberA solar cell converts the sunlight directly into __________ energy.
Question: A solar cell converts the sunlight directly into __________ energy.
[A].thermal [B].
electrical [C].
mechanical [D].
chemical Answer: Option B
Explanation:
No answer description available for this question.
__________ forces do not act in case of fluids.
Question: __________ forces do not act in case of fluids.
[A].Vibratory [B].
Centrifugal [C].
Elastic [D].
Tensile Answer: Option D
Explanation:
No answer description available for this question.
Biological shield in a nuclear reactor is generally provided to protect against the__________________?
Biological shield in a nuclear reactor is generally provided to protect against the__________________?A. α-rays
B. β-rays
C. Gamma rays & neutrons
D. Electrons