Download GTU BE/B.Tech 2017 Winter 7th Sem Old 170204 Automobile Mechanical Measurements Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 7th Sem Old 170204 Automobile Mechanical Measurements Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE SEMESTER VII EXAMINATION ? WINTER 2017

Subject Code: 170204 Date: 15-11-2017
Subject Name: Automobile Mechanical Measurements
Time: 10:30 am to 01:00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) What do you understand by measurement? Explain different methods of
measurement.
07
(b) Explain the terms Limits, fits and tolerances with examples in brief. 07

Q.2 (a) Explain slip gauges with ringing process. 07
(b) Which are the different sources of errors in measurement? Explain the terms
precision and accuracy related to measurement.
07
OR
(b) Describe with neat sketch construction and working principle of Vernier height
gauge.
07

Q.3 (a) List different types of comparators and explain the working of Sigma
comparator.
07
(b) Explain the following methods for surface finish:
i) Ten point height method
ii) Peak to valley height method
iii) Average roughness method
07
OR
Q.3 (a) Describe with neat sketch construction and working of micrometer. Explain the
method to take the readings.
07
(b) Explain the construction and working of LVDT with its advantages and
disadvantages.
07

Q.4 (a) Give the classification of clinometers. Explain any one of them with a neat
sketch.
07
(b) Explain the following terminology for gears:
i) Profile checking
ii) Backlash checking
iii) Checking of composite errors
07
OR
Q.4 (a) Explain the working principle of thermocouple with its advantages and
disadvantages.
07
(b) Write a short note on diaphragm pressure gauge. 07

Q.5 (a) Write a short note on hot wire anemometer. 07
(b) Explain in brief Pitot gauge and Ionization gauge. 07
OR

Q.5 (a) Explain the principle and types of electrical strain gauges. 07
(b) Discuss in brief peizo electric and seismic accelerometer. 07

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