FORMAT OF I A TEST QUESTION PAPER (CIE)
Test/Date
and Time |
Semester/year |
Course/Course Code |
Max Marks |
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Ex: I test/6 th weak of sem 10-11 Am |
I/II SEM |
MECHANICAL
MEASUREMENTS |
20 |
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Year: |
Course
code:15ME33T |
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Name
of Course coordinator : Units:
CO’s: |
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Question no |
Question |
MARKS |
CL |
CO |
PO |
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1 |
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2 |
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3 |
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4 |
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Note:
Internal choice may be given in each CO at the same cognitive level (CL).
MODEL QUESTION PAPER (CIE)
Test/Date
and Time |
Semester/year |
Course/Course Code |
Max Marks |
|||||
Ex:
I test/6 th weak of sem 10-11 Am |
III SEM |
MECHANICAL MEASUREMENTS |
20 |
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Year: 2015-16 |
Course
code:15ME33T |
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Name
of Course coordinator : Note: Answer all questions |
|
Units:1,
Co: 1,2,3. |
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Question no |
Question |
CL |
CO |
PO |
||||
1 |
Explain Systematic and Random Errors. |
4 MARKS |
|
U |
1 |
1,2, 3,4 |
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2 |
Define i) Sensitivity, ii)Accuracy. iii)Calibration |
3 MARKS |
|
R |
1 |
1,2, 3,4 |
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3 |
Draw a neat sketch of Bevel Protractor and labels its parts. |
A |
1 |
1,2, |
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OR |
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3,4, 10 |
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Explain with neat sketch
Taysurf surface roughness tester 7 MARKS |
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4 |
Explain with neat sketch measurement of thread by Bench micrometer. |
A |
1 |
1,2, |
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6 MARKS |
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3,4, 10 |
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MODEL QUESTION PAPER
3- Semester Diploma
Examination
Course
Title: MECHANICAL MEASUREMENTS
Time: 3 Hours] [Max
Marks:
100
Note: Answer
any SIX from Part A and any SEVEN
from Part B
Time: 3 hrs Max
:100marks:100
PART-A 6x5=30 marks
1. Define Measurement and
mention its requirements. 05
2. List the advantages of
Resistance thermometer. 05
3. List the various types of
testing equipment’s used for machine tool 05
alignment test
4. Explain the calibration
procedure for measuring instrument 05
5. Explain the mounting of strain
gauge. 05
6. Differentiate Resistance
thermometer and thermocouple. 05
7. Compare Hole Basis System
with Shaft Basis System. 05
8. Explain with a neat sketch
the working of Rotameter. 05
9. Explain with a neat sketch
Diaphragm type pressure gauge
PART-B
10. a)List the various factors in selection of measuring instruments. |
05 |
b)Explain with neat sketch measurement of thread
by Bench micrometer. |
05 |
11.
a)Explain Strain Gauge Rosettes. |
05 |
b)Sketch the schematic diagram of the following transducer |
05 |
actuating mechanisms. |
|
i) Circular bourdon tube ii)Straight tube. |
|
12.a)List the advantages of Resistance thermometer. |
05 |
b).Classify the various of tachometers. |
05 |
13. Explain with a neat sketch the working principle Mcloed gauge. |
10 |
14.a)Explain with a neat sketch Hydrometer. |
05 |
b)Explain with neat sketch the working of Proving ring |
05 |
15.Explain with a neat sketch Hole Basis System and Shaft Basis
System. |
10 |
16.a)Explain Uni-lateral and Bi-lateral tolerance. |
05 |
b)Write short notes on sphygmomanometer. |
05 |
17.a)Predict the advantages and disadvantages of LVDT. |
05 |
b)Explain with neat sketch progressive plug gauge. |
05 |
18.Sketch a neat block diagram of Optical strain gauge and label its
parts. |
10 |
19.a)Write the classification of Strain gauge. |
05 |
b)Briefly explain the various classification of transducers. |
05 |
Model Question Bank
3rd Semester Diploma in Mechanical Engineering
Course title: Mechanical Measurements
Remember
1.Define Measurement
and mention its requirements. 2.Define a) Precision b)Repeatability.
3.Define a) Calibration.
b)Threshold 4.Define a) Hysteresis. b)Range 5.Define a)Sensitivity b)Accuracy.
6.Define i)
Sensitivity, ii)Accuracy. iii)Calibration 7.Define error and mention types of
errors.
8.
Name the various types of error.
9.List the various factors in
selection of measuring instruments. 10.State the advantages of CMM.
11.State the types of error.
Understand
1.Explain
the signification of measurement. 2.Explain the various methods of
measurements.
3.Explain
the calibration procedure for measuring instrument 4.Explain Systematic and
Random Errors.
5.Explain the
various methods of measurements with suitable examples. 6.Explain Taysurf
surface roughness testor.
Application
1. Explain with neat sketch
thread gauge micrometer.
2. Explain
with neat sketch measurement of thread by Bench micrometer. 3.Explain with neat
sketch Bevel Protractor.
4.Draw a neat
sketch of Bevel Protractor and labels its parts. 5.Explain with neat sketch the
use of sine bar.
6.Explain with
neat sketch progressive plug gauge. 7.Explain with neat sketch plain plug
gauge.
8.Explain
with neat sketch snap gauge. 9.Explain with neat sketch Ring gauge. 10.Explain
with neat sketch of CMM.
11. Explain with neat sketch
thread gauge micrometer. And its uses.
12.
Explain with neat sketch Taysurf surface roughness tester
13. Explain with neat sketch
CMM.and its use. 14.Write short notes
on CMM.
Remember
1.Define transducer, list the uses
of transducer. 2.List out the major transducer characteristics.
3.List the
various classifications of transducers. With examples. 4.List out the any five
typical transducer actuating mechanisms. 5.State the various types of
self-generating transducers.
6. List the various
piezo-electric materials that exhibit piezoelectric effect.
7. Define strain gauge and list
its purposes
8. State the advantages and
limitation of mechanical strain gauge.. 9.State the various transducers
selection factors.
10. List any four transducer characteristics
11. List the various classification
of transducers with examples on each. 12.State
the various typical transducer actuating mechanisms.
13.Name any four type of
self-generating Analog transducers. 14.State various transducer characteristics
15.List the various piezo-electric
materials. 16.Define gauge factor
Understanding
1. Explain the concept of
variable and current generating analog transducers.
2. Explain the mounting of
strain gauge. 3.Explain gauge factor.
4. Explain Strain Gauge Rosettes.
5. Explain briefly the working of optical strain gauge.
6.Explain the concept of variable and current generating analog
transducers and mention its
types.
7. Classify the Strain gauges.
8. Briefly explain the various
classification of transducers.
Application
1.Explain with a
neat sketch piezoelectric transducer. 2.Write the various transducers selection
factors.
3. Sketch the
schematic diagram of the following transducer actuating mechanisms.
i)Corrugated diaphragm ii)Bellows.
4. Sketch the schematic diagram
of the following transducer actuating mechanisms.
i) Capsule ii) Twisted bourdon tube,
5. Sketch the schematic diagram
of the following transducer actuating mechanisms.
i) Circular bourdon tube ii)Straight tube.
6. Write the advantages and
limitation of mechanical strain gauge.. 7.Write short notes on gauge factor.
8. Write short notes on Strain
Gauge Rosettes.
9. Explain with a neat sketch
two element Rosette gauge. 10.Explain with a neat sketch three element Rosette gauge.
11. Sketch a neat block diagram
of Optical strain gauge and label its parts.
12. Write various transducer
characteristics 13.Explain with neat sketch Berry type strain gauge. 14.Explain
with neat sketch piezoelectric transducer. 15.Write short notes on gauge factor.
16.Explain with a neat sketch the
working principle of Optical strain gauge. 17.Write the classification of
Strain gauge.
CO-3: Apply the principles of
instrumentation for transducers & measurement of non electrical parameters like temperature, pressure,
flow, speed, force and stress in mechanical
Remember
1.Define force and List any
three force measuring instruments. 2.Define is torque? What is the reason for
measuring it.
3. Discribe dynamometer and
list its applications.
4. Define pressure. List the
pressure measuring instruments. 5.Define force and List any three force measuring
instruments. 6.State the principle of
thermocouple.
7. List the
advantages of Resistance thermometer. 8.List the types of mechanical
tachometers.
Understanding
1.Explain the working of Proving
ring and its use. 2.Explain the principle working Optical pyrometer. 3.Classify
tachometer.
4. Explain the working
principle of thermocouple.
5. Explain Resistance
thermometer.
6. Differenciate Resistance
thermometer and thermocouple. 7.Describe
tachometer and Mention types of mechanical tachometers. 8.Classify the various
types of tachometers.
9.Predict the advantages and
disadvantages of LVDT. 10.Express the advantages and disadvantages of the
Rotameter. 11.Express the advantages of Resistance thermometer.
12.Identify the advantages and
Disadvantages of the Resistance thermometer. 13.Distinguish between
thermocouple and Resistance thermometer.
14.Explain thermocouple and mention
any three commonly used thermocouple material. 15.Classify the various of
tachometers.
16.Identify the advantages and
disadvantages of LVDT. 17.Indicate the advantages of Resistance thermometer
18.Identify the advantages and disadvantages of the Rotameter. 19..Explain
phenomena of piezo-electric effect.
Application
1. Explain with neat sketch
Spring Balance.
2. Sketch and Explain the
instrument commonly used for measurement of heavy loads in Industries.
3. Explain
with a neat sketch the working of Hydraulic Dynamometer 4.Explain with neat
sketch the construction and working of Proving
ring.
5.
Explain with a neat sketch working of Strain gauge type load cell..
6. Explain with neat sketch the
working of Proving ring
7. Explain with neat sketch
Prony Brake Dynamometer. 8.Explain with a neat sketch Diaphragm type pressure gauge.
9.Explain with neat sketch the
working of Bourdon tube pressure gauge. 10.Explain with a neat sketch the
working principle Mcloed gauge.
11.Explain with a neat sketch the
working principle of Mcloed gauge and its use. 12.Explain with a neat sketch
the working of Revolution counter.
13.Explain with a neat sketch the
working of Eddy current tachometer. 14.Explain with a neat sketch of LVDT.
15.Explain with a neat sketch the
working of Rotameter. 16.Write the advantages and disadvantages of the
Rotameter. 17.Write the advantages of Resistance thermometer.
18. Explain with a neat sketch
Resistance thermometer.
19. Write the advantages and
Disadvantages of the Resistance thermometer. 20.Explain with neat sketch
Optical pyrometer.
21Explain with a neat sketch, the
principle working of thermocouples. 22.Explain with a neat sketch of LVDT and
show its characteristics.
23.With a neat sketch Explain the
principle working of thermocouples.
Understanding
1.Explain
measurement of blood pressure using sphygmomanometer. 2.Explain the terms a)Humidity b)Density
Applications
1.Explain the working of hair hygrometer
with a neat sketch. 2.Explain with a neat sketch Hydrometer.
3. Explain with a neat sketch
liquid level measurement by using sight glass.
4. Explain with a neat sketch
the principle of float gauge for liquid level measurement . 5.Explain with
sketch measurement of blood pressure using sphygmomanometer.
6.Write short notes on
sphygmomanometer.
Remember
1. Define the following terms a)Limit b)Allowance
2. Define the following terms
a)Basic Size b)Tolerance
3. Define the following terms a)Zero line b)Fit
4. Define the following terms a)Deviation b)Actual size
5. a)Define the following terms
i) Limit ii)Allowance iii)Basic size
6. Define tolerance and briefly
explain its types. 7..Define deviation and explain types of deviation. 8.Define
fit and mention its types of fits.
9. List the various types of
testing equipment’s used for machine tool Alignment test.
10. Define Interchangeability.
State its importance.
11.
Quote the reason for adopting hole basis system as the standard practice.
Understanding
1.Distinguish Hole Basis System and
Shaft Basis System. 2.Explain Uni-lateral and Bi-lateral tolerance.
3. Differenciate between
unilateral and Bilateral tolerance.
4. Express the reason for
adopting hole basis system as the standard practice. 5.Explain the importance
of Geometric test on machine tools.
6.Compare Hole Basis System with
Shaft Basis System.
Applications
1. Explain with neat sketch
clearance fit.
2. Explain with neat sketch
interference fit.
3. Explain with neat sketch
transition fit.
4. Explain with a neat sketch
Hole Basis System and Shaft Basis System. 5.Write the reason for adopting hole
basis system as the standard practice. 6.Write short note on Interchangeability.
7.Write short note on selective
assembly. 8.Explain with neat sketch interference fit.
9. Write a neat sketch of
Graphical illustration of limits and tolerances.
10. Explain with neat sketch he
procedure for checking the parallelism of spindle axis to carriage movement in
lathe.
11..Explain with neat sketch the
procedure for checking the straightness of the carriage movement in lathe.
12..Explain with neat sketch checking
of run out of axis of centre in lathe. 13.With neat sketch explain shaft basis
system.
14. With neat sketch explain
Hole Basis system.