20-10-2012, 01:51 PM
CONCEPT OF MEASUREMENT QUESTION BANK
M&m questions.pdf (Size: 110.2 KB / Downloads: 93)
Part- A (2 Marks)
1. Differentiate between sensitivity and range with suitable example.
.2. Define system error and correction.,
3. Define: Measurand.
.4. Define: Deterministic Metrology.
5. Define over damped and under damped system.
6. Give any four methods of measurement
7. Give classification of measuring instruments.
.8. Define True size:
9. Define Actual size
10. What is Hysteresis
11. What is Range of measurement?:
13. Define Span:
14. What is Resolution:
UNIT-II
LINER AND ANGULAR MEASUREMENTS
Part-A (2 Marks)
.1. List the various linear measurements?
2 What are the various types of linear measuring instruments?
3. List out any four angular measuring instrument used in metrology
4. What is comparator?
5. Classify the comparator according to the principles used for obtaining magnification.
6. How are all mechanical comparator effected?
. 7. State the best example of a mechanical comparator.
8. Define least count and mention the least count of a mechanical comparator.
9. How the mechanical comparator is used? State with any one example.
10. State any four advantages of reed type mechanical comparator.
UNIT-III
FORM MEASUREMENTS
Part-A (2 Marks)
1. Name the various methods for measuring effective diameter.
2. Name the various methods for measuring pitch diameter.
3. Name the two corrections are to be applied in the measurement of effective diameter.
4. What is best size of wire?
5. Define. Drunken thread
6. What is the effect of flank angle error?
7. What are the applications of toolmaker's microscope?
8. Define: Periodic error.
9. What are the commonly used forms of gear teeth?
10. what are the types of gears?
11. Define: Module
12. Define: Lead angle
13 What are the various methods used for measuring the gear tooth thickness?
14. Name four gear errors.
15. Name the method used for checking the pitch of the gear.