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ESE 2021 ME Technical Quiz || Hydraulic Turbines and Hydro Machines

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Question 1

A hydraulic turbine develops 1000 kW power for a head of 40 m. If the head is reduced to 1/4th of its original value, the power developed(in kW) is

Question 2

The dimensional formula of the specific speed  for the turbine is ________.

Question 3

A single acting reciprocating pump has a piston of 15 cm diameter and 22.5 cm stroke. The pump is required to deliver 0.29 m3 of water per minute at 75 rpm. If the suction and delivery heads are 3 m and 10 m respectively, then the percentage of slip of pump is

Question 4

Match List I with List II and select the correct answer using the code given below the lists

List-I

P. Pelton Turbine

Q. Francis Turbine

R. Kaplan Turbine

List-II

1) Adjustable blade angles

2) No cavitation

3) Draft Tube

Codes:

Question 5

A centrifugal pumps having efficiency of 75%, is used to deliver 2000 L/min. of water at 20o C when the brake power is 25HP. The rise in pressure (in kPa), is
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Apr 22ESE & GATE ME