Question: Diaphragm pumps are used to transport
[A].solids
liquids
fluids
slurries
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
For the transfer of solution of thick slurry, the pump used is a __________ pump.
Question: For the transfer of solution of thick slurry, the pump used is a __________ pump.
[A].reciprocating
gear
diaphragm
centrifugal
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will
Question: Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will
[A].increase
decrease
remain same
be quadrupled
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now
Question: A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now
[A].increase
decrease
remain same
data insufficient to predict
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Net positive suction head (NPSH) of a centrifugal pump must be
Question: Net positive suction head (NPSH) of a centrifugal pump must be
[A].greater than the vapour pressure of the liquid.
less than the vapour pressure of the liquid.
equal to the vapour pressure of the liquid.
less than barometric pressure.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
_ nmmn _ mmnn _ mnnm _
Question: _ nmmn _ mmnn _ mnnm _
[A].nmmn
mnnm
nnmm
nmnm
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
The series is nnmm/nnmn/nnmm/nnmm. Thus, the pattern ‘nnmm’ is repeated.
For the same flow rate of a fluid, the pressure drop is the least for
Question: For the same flow rate of a fluid, the pressure drop is the least for
[A].venturimeter
orificemeter
flow-nozzle
Δp is same for all
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is __________ litres.
Question: A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is __________ litres.
[A].600
660
1.1
60
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.
Question: A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.
[A].1
10/55
5.5
1/55
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Who figure on top of the list of corruption?
Question: Who figure on top of the list of corruption?
[A].businessmen
lawyers
politicians
policemen
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.