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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
Answer: Option C

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
Answer: Option B

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
Answer: Option A

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
Answer: Option D

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
Answer: Option A

Question 6. The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)
  1.    waV / 2g
  2.    waV / g
  3.    waV² / 2g
  4.    waV² / g
Answer: Option D