IndiaBIX

Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 3
11.
Manometric head is the actual head of water against which a centrifugal pump has to work.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The hydraulic efficiency of an impulse turbine is the
ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
ratio of the actual work available at the turbine to the energy imparted to the wheel
ratio of the work done on the wheel to the energy of the jet
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The overall efficiency for a Pelton wheel lies between
0.50 to 0.65
0.65 to 0.75
0.75 to 0.85
0.85 to 0.90
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which of the following statement is wrong ?
The reaction turbines are used for low head and high discharge.
The angle of taper on draft tube is less than 8°.
An impulse turbine is generally fitted slightly above the tail race.
A Francis turbine is an impulse turbine.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following statement is correct as regard to water wheels?
They have slow speeds.
They are suitable even for low water heads.
They give constant efficiency, even if the discharge is not constant
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers