Related Questions

In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a
A Weir
B Pitot tube
C Kennison nozzle
D V-notch
Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
A Weir
B Hot wire anemometer
C Cup and vane aneometer
D None of these
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?
A Ammeter
B Voltmeter
C Ohmmeter
D Wattmeter
E None of the above
Which of the following flow measuring devices is an area meter?
A Venturimeter
B Orifice meter
C Anemometer
D Rotameter
Out of the following flow measuring devices, which one incurs the maximum installation cost as well as pressure loss?
A Flow nozzle
B Venturimeter
C Rotameter
D Orificemeter
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will
A Increase
B Decrease
C Remain unchanged
D Data insufficient to predict relative pressure drop
A man wishes to cover his floor with tiles, each one measuring 3/4 inch by 2 inches. If his room is rectangular, measuring 12 feet by 18 feet, how many such tiles will he need?
A 144
B 1152
C 1728
D 20736

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