Hydraulic Machines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Hydraulic Machines, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Hydraulic Machines MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Hydraulic Machines mcq questions that explore various aspects of Hydraulic Machines problems. Each MCQ is crafted to challenge your understanding of Hydraulic Machines principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Hydraulic Machines MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Hydraulic Machines. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Hydraulic Machines knowledge to the test? Let's get started with our carefully curated MCQs!

Hydraulic Machines MCQs | Page 5 of 17

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Q41.
The maximum number of jets, generally, employed in an impulse turbine without jet interference are
Discuss
Answer: (c).six
Q42.
In a reciprocating pump, air vessels are fitted to the suction pipe and delivery pipe close to the cylinder of the pump.
Discuss
Answer: (a).True
Q43.
Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet)
Discuss
Answer: (c).Q = ฯ€.D.b.Vf
Q44.
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the
Discuss
Answer: (c).manometric head
Q45.
When the speed of the pump increases, its net positive suction head (NPSH) requirement decreases.
Discuss
Answer: (b).Disagree
Discuss
Answer: (a).directly proportional to H^1/2
Q47.
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)
Discuss
Answer: (a).directly proportional to N
Discuss
Answer: (c).to increase the head of water by an amount equal to the height of the runner outlet above the tail race
Q49.
The power produced by the reaction turbine is __________ to the head of water.
Discuss
Answer: (a).directly proportional
Discuss
Answer: (c).the water enters the wheel at the outer periphery and then flows towards the centre of the wheel