A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?
A. 0.01
B. 0.1
C. 1
D. 10
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Remote control valve is a _______________ valve?
Remote control valve is a _______________ valve?A. Gate
B. Butterfly
C. Needle
D. GlobeWith a constant diameter impeller of a centrifugal pump _____________________?
With a constant diameter impeller of a centrifugal pump _____________________?A. Its capacity varies directly as the square of speed
B. Head varies as the square of speed
C. Horsepower input varies as the square of speed
D. Head varies as the speedIn a stabilised soap bubble, pressure inside it compared to external pressure is________________?
In a stabilised soap bubble, pressure inside it compared to external pressure is________________?A. More
B. Less
C. Same
D. UnpredictableWhich of the following produces maximum pressure difference for transportation of gases ?
Which of the following produces maximum pressure difference for transportation of gases ?A. Vacuum pumps
B. Blowers
C. Fans
D. CompressorsFor the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is___________________?
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is___________________?A. More
B. Less
C. Equal
D. Either A. or B.; depends on the viscosity of the fluidThe pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?
The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?A. Elevation
B. Velocity
C. Both A. & B.
D. Neither A. nor B.