Machinist Measuring Instruments Questions and Answers - Set 01 - ObjectiveBooks

# Practice Test: Question Set - 01

1. The value of each main scale division of Vernier bevel protractor is
(A) 1°
(B) 5'
(C) 1° 55'
(D) 2°

2. The least count of Vernier height gauge is
(A) 0.01 mm
(B) 0.02 mm
(C) 0.05 mm
(D) 0.10 mm

3. The principle of universal bevel protractor is similar to that of
(A) Vernier bevel protractor
(B) Depth micrometer
(C) Dial test indicator
(D) Fixed gauge

4. The minimum measurement that can be read with the help of a steel rule is
(A) 0.01 mm
(B) 0.02 mm
(C) 0.05 mm
(D) 0.50 mm

5. What is the zero reading of a 50-75 mm outside micrometer?
(A) 0.00 mm
(B) 0.01 mm
(C) 25.00 mm
(D) 50.00 mm

6. Micrometer works on the principle of
(A) Screw
(B) Bolt
(C) Stud
(D) Nut & bolt

7. Steel rule is a
(A) Marking instrument
(B) Precision instrument
(C) Checking instrument
(D) Direct reading measuring instrument

8. The base unit of length as per S.I. unit is
(A) Inch
(B) Foot
(C) Centimeter
(D) Meter

9. Vernier depth gauge is used for measuring
(A) External dimensions
(B) Internal dimensions
(C) Step, depth of blind hole
(D) Pitch diameter

10. The smallest inside micrometer has the graduation marked on the sleeve to a range of
(A) 10 mm
(B) 12 mm
(C) 13 mm
(D) 25 mm

11. Steel rule is made of
(A) Brass
(B) Zinc
(C) Stainless steel
(D) Cast iron

12. What is determined while measuring a component?
(A) Nominal size
(B) Actual size
(C) Specified size
(D) Scale size

13. The least count of the Vernier caliper is equal to
(A) Value of 1 M.S.D. - value of 1 V.S.D.
(B) Value of 1 V.S.D. - value of 1 M.S.D.
(C) Value of 2 M.S.D. - value of 1 V.S.D.
(D) Value of 1 M.S.D + value of 1 V.S.D.

14. The value of one division on bevel edge of the thimble of a metric outside micrometer is
(A) 0.10 mm
(B) 0.05 mm
(C) 0.02 mm
(D) 0.01 mm

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