A. pressure in pipes, channels etc.
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. velocity in pipes
Related Mcqs:
- In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?
A. frictional force
B. viscosity
C. surface friction
D. all of the above
E. none of the above - Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem __________________?
A. Venturimeter
B. Orifice plate
C. nozzle
D. pitot tube
E. all of the above - What is a measure of the average speed with which accounts receivable are collected ?
A. Current ratio
B. Quick ratio
C. Acid test ratio
D. Receivable turnover - The property of a fluid which enables it to resist tensile stress is known as________________?
A. compressibility
B. surface tension
C. cohesion
D. adhesion
E. viscosity. - A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?
A. the metal piece will simply float over the mercury
B. the metal piece will be immersed in mercury by half
C. whole of the metal piece will be immersed with its top surface just at mercury level
D. metal piece will sink to the bottom
E. none of the above - The units of kinematic viscosity are_______________?
A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec per meter
E. none of the above - The vapour pressure over the concave surface is________________?
A. less man the vapour pressure over the plane surface
B. equal to the vapour pressure over the plane surface
C. greater than the vapour pressure over the plane surface
D. zero
E. none of the above - Center of buoyancy is the___________________?
A. centroid of the displaced volume of fluid
B. center of pressure of displaced volume
C. e.g. of floating ‘body
D. does not exist
E. none of the above - Rotameter is a device used to measure____________________?
A. absolute pressure
B. velocity of fluid
C. flow
D. rotation
E. velocity of air - A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?
A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
E. 10,000 kg
