Q.1
14 Marks(a)
Define terms:
i)Calibration
ii)Hysteresis
iii)Threshold
(b)
Differentiate following terms: -
1)Accuracy and Precision,
2)Systematic and random errors
(c)
What are the various methods of measurement? Explain them with examples.
Gujarat Technological UniversitySummer 2025 examination
GTU 3141901 Mechanical Measurement and Metrology Summer 2025 Question Paper & PDF
B.E. · Mechanical Engineering · Semester 4 · Subject code 3141901
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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5 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 5 repeated 3141901 questions, most asked first
Q.2
14 Marks(a)
Define terms:
i)Tolerances
ii)Fits
iii)Shaft basis system
(b)
Why sine bar is not preferred for angles greater than 45˚? Explain.
(c)
Write a short note on Auto collimator.
OR
(c)
Explain with neat diagram, working principle and application of Sigma comparator.
Q.3
14 Marks(a)
Give the classifications of threads.
(b)
Explain the common errors in threads.
(c)
Explain three wire method for measuring effective diameter of a thread.
Also asked in Summer 2026 Q3c
OR
(a)
Define following terms related to gear measurement:
i)Pressure angle
ii)Circular pitch
iii)Module
(c)
Explain constant chord method for gear tooth measurement.
Q.4
14 Marks(a)
Explain different types of transducers.
(b)
Describe LVDT giving its advantages, limitations & field of applications.
Also asked in Summer 2026 Q2b
OR
(a)
Write the advantages of lasers.
(c)
Write a short note on Cathode ray Oscillographs.
Q.5
14 Marks(a)
What is gauge factor? Explain its importance.
(b)
Explain the principle of electrical Strain gauges
(c)
Discuss the construction and working of thermocouple with neat sketch.
OR
(a)
Give the classification of instruments for pressure measurement.
(b)
Explain any one method used for force measurement.
(c)
Write a short note on rope brake dynamometer
More Mechanical Measurement and Metrology papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 4 subjects
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About this paper
Official Gujarat Technological University (GTU) examination paper for Mechanical Measurement and Metrology (Summer 2025, B.E. · Mechanical Engineering, Sem 4). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.