## 11. The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram and a = Area of plunger)

## 12. An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is

## 13. The coefficient of viscosity may be determined by

## 14. The region between the separation streamline and the boundary surface of the solid body is known as

## 15. The horizontal component of buoyant force is

## 16. Puck up the wrong statement about centrifugal pump

## 17. The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

## 18. Normal depth in open channel flow is the depth of flow corresponding to

## 19. The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston and N = Speed of crank in r.p.m.)

## 20. A flow whose streamline is represented by a curve, is called

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