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Max. Marks: 100

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Answer any one full question from each module. Each question carries 14 marks

11.8

11.0

0800CET203122001 Pages: 3

Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Third Semester B.Tech Degree Examination December 2020 (2019 Scheme)

Course Code: CET203
Course Name: FLUID MECHANICS AND HYDRAULICS
PARTA
Answer all questions. Each question carries 3 marks

Differentiate atmospheric pressure, gauge pressure and absolute pressure.
Explain pressure diagram and its use.
State the stability conditions of floating bodies.
Differentiate streamline, streakline and pathline.
Explain the use and principle of Pitot tube.
Explain hydraulic gradient line and total energy line with a sketch.
Obtain hydraulic depth and hydraulic mean depth of a triangular channel.
State the characteristics of velocity distribution in open channels.
Explain the characteristics of S-type water profile with examples.
Explain the classification of hydraulic jump based on Froude number.

PART B

Module 1
An inverted differential manometer is connected to two pipes A and B which
convey water. The centreline of pipe B is 50 cm below the centreline of pipe
A. Pipe B is to the right side of pipe A. The oil level in the left limb is 40 cm
above the centreline of pipe A and that in the right limb is 60 cm above the
centreline of pipe B. The fluid in the manometer is oil of specific gravity 0.85.
Find the pressure difference between A and B.
A square aperture in the vertical side of a tank has one diagonal vertical and is
completely covered by a plane plate hinged along one side of the upper side of
the aperture. The diagonals of the aperture are 2.4 m long and the tank
contains a liquid of specific gravity 1.2. The centre of the aperture is 1.8 m
below the free surface. Calculate the thrust exerted on the plate by the liquid

and the position of centre of pressure.

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Duration: 3 Hours

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