Sunday, September 10, 2017

TRB Mechanical Solved Question on Hydraulic Pump

Appearing for TRB Polytechnic Lecturer Exam 2017 ? Want some solved questions for Mechanical Engineering? Here is a question which was asked in the previous year Engineering Services exam held in 2007. This question are under the Syllabus of Fluid Mechanics and Machinery and expected to be appeared in upcoming TRP examinations. The question is not widely available in the internet except few book results where only question is available. No answer can be found in the internet for the following question and thus we have come here with a solution which will give an idea for those who are preparing the TRB exam very seriously. Here is the question and its solution.

Question: In a pump, the discharge is halved. Presuming the speed remains unchanged, then what would be the ratio of heads H1 / H2 ?
A) √(1/3)
B) √(2/3)
C) (0.25)^1/3
D) (0.5)^1/3

The Solution in detail:
You will find the explanation for the answer below.

Duraimani

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