# TRB Mechanical Solved Question on Venturimeter

Appearing for TRB Polytechnic Lecturer Exam 2017 ? Want some solved questions for Mechanical Engineering? Here is a question which was asked in the TRP Engineering College previous year exam held in 2016. This question is under the Syllabus of Fluid Mechanics and Machinery. 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. This question was also asked in GATE 2005 exam

Question: A venturimeter of 20 mm throat diameter is used to measure the velocity of water in a horizontal pipe of 40 mm diameter. If the pressure difference between the pipe and throat sections is found to be 30 kPa then, neglecting frictional losses, the flow velocity is:
(a) 0.2 m/s
(b) 1.0 m/s
(c) 1.4 m/s
(d) 2 m/s

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

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