1. Stoke is the unit of
2. The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to
3. Head developed by a centrifugal pump depends on
4. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm", the pressure at a depth of 50 m below the oil surface will be
5. The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be
6. 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
7. Hydraulic accumulator is used for
8. A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used?
9. In axial flow fans and turbines, fluid enters and leaves as follows
10. During the opening of a valve in a pipe line, the flow is
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