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Diesel Mechanic Practice Test: System Of Measurements
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Avg score: 48% • Most missed: “The minimum measurement that can be read with the help of a steel rule is………”
Diesel Mechanic Practice Test: System Of Measurements
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25 Questions

1. Try square is used to check up an angle of……….
2. Which precision instrument used for taking external, internal and depthmeasurement?
3. Which one of the following instruments is used to measure accurately the angle of taper?
4. Which is NOT the use of a try square?
5. Which gauge used to check the spark plug gap?
6. The base unit of length as per S. I. units is
7. What is the name of part marked as ‘X’?
8. Steel rule is a…….
9. The least count of vernier height gauge is…………….
10. The smallest inside micrometer has the graduation marked on the sleeve to a range of………
11. In a metric micrometer, a complete revolution of thimble advances……………
12. What is the name of beveled graduated sleeve of outside micrometer?
13. Which gauge is used to check the inflationof tyre?
14. What is the working principle of dial test indicator?
15. The least count of metric micrometer is………………
16. What is the smallest reading of vernier caliper?
17. The least count of a vernier caliper is……
18. A micrometer has a Positive error of 0.02 mm. What is the correct reading when the micrometer measures 25.41 mm ?
19. The angle which is lass than 90° is called as…..
20. Vernier depth gauge is used for measuring……
21. The value of one division on bevel edge of the thimble of a metric outside micrometer is………….
22. Metric outside micrometer has a threaded spindle with a pitch of……………
23. Steel rule is made of…….
24. Zero error of a 50 - 75 mm outside micrometer can be checked with…….
25. Which gauge used to check leakage of inlet minified?

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