__________ is an ore of lead.
Question: __________ is an ore of lead.
[A].
Quartz
Galena
Siderite
Chalcopyrite
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Cavitation in a centrifugal pump results from
Question: Cavitation in a centrifugal pump results from
[A].high discharge pressure [B].
low barometric pressure [C].
high discharge velocity [D].
high discharge rate Answer: Option B
Explanation:
No answer description available for this question.
Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in______________________?
Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in______________________?A. Pyrolysis of oil
B. Sintering of porous catalyst
C. Hydrogen embrittlement
D. All A, B. and C.Salt is the basic raw material for the manufacture of____________________?
Salt is the basic raw material for the manufacture of____________________?A. Cement
B. Glass
C. Potteries
D. Caustic sodaChoose the correct equation.
Question: Choose the correct equation.
[A].Nu = (Re) (Pr) (Gz) [B].
Nu = (Re) (Pr) (St) [C].
Nu = (Re)(Pr) [D].
Nu = (Pr)(St) Answer: Option B
Explanation:
No answer description available for this question.
First empirical temperature scale conceived is the __________ temperature scale.
Question: First empirical temperature scale conceived is the __________ temperature scale.
[A].Absolute [B].
Reaumer [C].
Farenhite [D].
Celcius Answer: Option C
Explanation:
No answer description available for this question.
Air standard Otto cycle is more efficient than the diesel cycle for the same
Question: Air standard Otto cycle is more efficient than the diesel cycle for the same
[A].heat addition & compression ratio. [B].
heat addition & pressure. [C].
compression ratio & pressure. [D].
cylinder dimension & rpm. Answer: Option A
Explanation:
No answer description available for this question.