Percentage of silver in German silver is
Question: Percentage of silver in German silver is
[A].
5
10
20
0
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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For any system, what is the minimum number of degrees of freedom?
Question: For any system, what is the minimum number of degrees of freedom?
[A].1 [B].
0 [C].
2 [D].
3 Answer: Option B
Explanation:
No answer description available for this question.
Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.
Question: Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.
[A].f1 = f2 [B].
f1 < f2 [C].
f1 > f2 [D].
data not sufficient to relate f1 & f2 Answer: Option C
Explanation:
No answer description available for this question.
Naphthalene recovered from coke oven gas is used
Question: Naphthalene recovered from coke oven gas is used
[A].as moisture proof coating on fibres. [B].
as moth balls (insecticides). [C].
as a fuel in furnaces. [D].
for making electrodes. Answer: Option B
Explanation:
No answer description available for this question.
Air vessel of a reciprocating pump is initially filled with
Question: Air vessel of a reciprocating pump is initially filled with
[A].atmospheric air [B].
compressed air [C].
water [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
Cavitation in a centrifugal pump can be avoided by keeping the
Question: Cavitation in a centrifugal pump can be avoided by keeping the
[A].inlet pressure high [B].
outlet pressure low [C].
inlet pressure low [D].
outlet pressure high Answer: Option A
Explanation:
No answer description available for this question.
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its__________________?
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its__________________?A. Corrosion resistance
B. Tensile strength
C. Machinability
D. Compressive strength