## More Questions on This Topic :

Question 1. High specific speed of a pump implies it is
1.    Centrifugal pump
2.    Mixed flow pump
3.    Axial flow pump
4.    Any one of the above

Question 2. Medium specific speed of a pump implies it is
1.    Centrifugal pump
2.    Mixed flow pump
3.    Axial flow pump
4.    Any one of the above

Question 3. 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 to
1.    10 kg
2.    100 kg
3.    1000 kg
4.    1 kg

Question 4. For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal
1.    Ratio of inertial force to force due to viscosity
2.    Ratio of inertial force to force due to gravitation
3.    Ratio of inertial force to force due to surface tension
4.    All the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity

Question 5. When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
1.    Less than
2.    More than
3.    Equal to
4.    None of these