Exam Details
| Subject | metrology and instrumentation (me, mp, pe) | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Government Degree College, Kamalpur | |
| Position | ||
| Exam Date | April, 2018 | |
| City, State | tripura, dhalai |
Question Paper
E E6802 Pages: 2
Page 1 of 2
Reg
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018
Course Code: ME312
Course Name: METROLOGY AND INSTRUMENTATION MP, PE)
Max. Marks: 100 Duration: 3 Hours
Use of approved Data book permitted.
PART A
Answer any three full questions, each carries 10 marks. Marks
1 Explain the process of wringing of slip gauges.
What is sine bar? How sine bars are used for angle measurement?
2 Explain the construction and uses of Vernier Bevel Protractor.
With neat sketches explain the method of measuring angles using Angle
Dekkor.
3 Explain with suitable examples how holes, shafts and fits are designated?
Define the following terms:-
Allowance.
Tolerance.
Limits.
4 Sketch and describe the optical arrangement of N.P.L. Flatness Interferometer.
State and explain Taylor's Principle of Gauge Design.
PART B
Answer any three full questions, each carries 10 marks.
5 Define the following terms used in screw thread:-
Pitch
Lead
Major Diameter
Minor Diameter
Pitch Diameter
Explain with neat sketches the method used for measuring the major diameter
of screw thread.
6 Define the following terms in surface texture measurements:-
Primary Texture.
Secondary Texture.
Lay.
E E6802 Pages: 2
Page 2 of 2
Sampling Length.
Describe the method of evaluating roughness using
Peak to valley high method.
C.L.A. method.
7 With neat sketches explain the working principle of Laser Interferometer.
Discuss the different types of probes used in CMM.
8 Explain the various steps in machine vision system.
List the advantages and applications of CMM.
PART C
Answer any four full questions, each carries 10 marks.
9 Explain the dynamic characteristics of a measuring instrument.
Define the following terms used in measuring devices:-
Drift.
Threshold.
Hysteresis.
Span.
10 Discuss how measuring instruments are classified?
Define sensors. How sensors are classified?
11 With neat sketches explain the construction and working of LVDT. List the
advantages and applications of LVDT.
12 With sketches explain the working of Electrical Dynamometer.
Define thermocouple. List its advantages and disadvantages.
13 Explain the working principle of Pneumatic load cell with neat sketches.
How temperature is measured by using bimetallic strip thermometer?
14 Explain the construction and working of RTD.
With sketches explain measurement of vibration using accelerometers.
Page 1 of 2
Reg
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018
Course Code: ME312
Course Name: METROLOGY AND INSTRUMENTATION MP, PE)
Max. Marks: 100 Duration: 3 Hours
Use of approved Data book permitted.
PART A
Answer any three full questions, each carries 10 marks. Marks
1 Explain the process of wringing of slip gauges.
What is sine bar? How sine bars are used for angle measurement?
2 Explain the construction and uses of Vernier Bevel Protractor.
With neat sketches explain the method of measuring angles using Angle
Dekkor.
3 Explain with suitable examples how holes, shafts and fits are designated?
Define the following terms:-
Allowance.
Tolerance.
Limits.
4 Sketch and describe the optical arrangement of N.P.L. Flatness Interferometer.
State and explain Taylor's Principle of Gauge Design.
PART B
Answer any three full questions, each carries 10 marks.
5 Define the following terms used in screw thread:-
Pitch
Lead
Major Diameter
Minor Diameter
Pitch Diameter
Explain with neat sketches the method used for measuring the major diameter
of screw thread.
6 Define the following terms in surface texture measurements:-
Primary Texture.
Secondary Texture.
Lay.
E E6802 Pages: 2
Page 2 of 2
Sampling Length.
Describe the method of evaluating roughness using
Peak to valley high method.
C.L.A. method.
7 With neat sketches explain the working principle of Laser Interferometer.
Discuss the different types of probes used in CMM.
8 Explain the various steps in machine vision system.
List the advantages and applications of CMM.
PART C
Answer any four full questions, each carries 10 marks.
9 Explain the dynamic characteristics of a measuring instrument.
Define the following terms used in measuring devices:-
Drift.
Threshold.
Hysteresis.
Span.
10 Discuss how measuring instruments are classified?
Define sensors. How sensors are classified?
11 With neat sketches explain the construction and working of LVDT. List the
advantages and applications of LVDT.
12 With sketches explain the working of Electrical Dynamometer.
Define thermocouple. List its advantages and disadvantages.
13 Explain the working principle of Pneumatic load cell with neat sketches.
How temperature is measured by using bimetallic strip thermometer?
14 Explain the construction and working of RTD.
With sketches explain measurement of vibration using accelerometers.
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