Q. The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is ?
✅ Correct Answer: (B)
50 %
Hydraulic Machines MCQs | Page - 23
Dear candidates you will find MCQ questions of Hydraulic Machines here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Which of the following statement is wrong ?
✅ Correct Answer: (D)
A Francis turbine is an impulse turbine
Q. The overall efficiency of a reaction turbine is the ratio of ?
✅ Correct Answer: (A)
power produced by the turbine to the energy actually supplied by the turbine
Q. The hydraulic efficiency of an impulse turbine is the ?
✅ Correct Answer: (C)
ratio of the work done on the wheel to the energy of the jet
Q. Braking jet in an impulse turbine is used ?
✅ Correct Answer: (B)
to bring the runner to rest in a short time
Q. Which of the following pump is suitable for small discharge and high heads ?
✅ Correct Answer: (D)
Reciprocating pump
Q. Power required to drive a centrifugal pump is directly proportional to ......... of its impeller ?
✅ Correct Answer: (D)
fourth power of diameter
Q. In a reciprocating pump, air vessels are used to ?
✅ Correct Answer: (D)
reduce acceleration head
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