Mechanical Engineering Questions And Answers :: Hydraulic And Fluid Machines: part7



Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part7 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.The pressure in the air space above an oil (sp. gr. 0. surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be

2 metres of water column
3 metres of water column
3.5 metres of water column
4 m of water column
none of the above.

12.Rotameter is a device used to measure

absolute pressure
velocity of fluid
flow
rotation
velocity of air.

13.For measuring flow by a venturimeter, if should be installed in

vertical line
horizontal line
inclined line with flow downward
inclined line with upward flow\
in any direction and in any location.

14.In an immersed body, centre of pressure is

at the centre of gravity
above the centre of gravity
below be centre of gravity
could be above or below e.g. depend�ing on density of body and liquid
unpredictable.

15.Flow occurring in a pipeline when a valve is being opened is

steady
unsteady
laminar
vortex
rotational.

More Hydraulic And Fluid Machines QUESTIONS AND ANSWERS available in next pages

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