Explore topic-wise MCQs in Engineering Metrology.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following option is true for the given statements about micrometer?Statement 1: There is a fixed spindle and a rotated anvil.Statement 2: For taking the reading, micrometer dimension is set slightly larger than part size.

A. T, F
B. F, F
C. F, T
D. T, T
Answer» D. T, T
2.

To check the bending in micrometer, what is the difference between the measurement of loaded and unloaded conditions for micrometer range 0 to 25 mm?

A. 1.5 µm per kg
B. 2.0 µm per kg
C. 2.5 µm per kg
D. 3.0 µm per kg
Answer» B. 2.0 µm per kg
3.

Which of the following is correct about micrometer?

A. Plastic insulating grips are used on the frame
B. Satin chrome finish increase the reading errors
C. A uniform and maximum measuring force is applied
D. Barrel is the removable part of the frame
Answer» B. Satin chrome finish increase the reading errors
4.

Which of the following option is correct about given statements about micrometer?Statement 1: The anvil should not protrude from the frame.Statement 2: An adjusting nut is present in micrometer to compensate wear

A. Only statement 1 is true
B. Only statement 2 is true
C. Both the statements are true
D. Both the statements are false
Answer» C. Both the statements are true
5.

WHICH_OF_THE_FOLLOWING_IS_CORRECT_ABOUT_MICROMETER??$

A. Plastic insulating grips are used on the frame
B. Satin chrome finish increase the reading errors
C. A uniform and maximum measuring force is applied
D. Barrel is the removable part of the frame
Answer» B. Satin chrome finish increase the reading errors
6.

To check the bending in micrometer, what is the difference between the measurement of loaded and unloaded conditions for micrometer range 0 to 25 mm?$

A. 1.5 µm per kg
B. 2.0 µm per kg
C. 2.5 µm per kg
D. 3.0 µm per kg
Answer» B. 2.0 ¬¨¬®¬¨¬µm per kg
7.

What is the accuracy range of stick micrometers?

A. ±0.005 mm
B. ±0.05 mm
C. ±0.5
D. ±0.0005 mm
Answer» B. ¬¨¬®¬¨¬±0.05 mm
8.

Which of the following is incorrect about precautions in using a micrometer?

A. Final movement is given by ratchet
B. Thimble is turned till the Measuring tip just touches the part to be measured
C. Part to be measured is held in right hand and micrometer in left hand for good results
D. Error is reading is may be due to lack of flatness of anvil
Answer» D. Error is reading is may be due to lack of flatness of anvil
9.

What is the value of total error for grade 1 micrometer when micrometer is tested at 20oC?

A. 4+(L/100)µm
B. 5+(L/100)µm
C. 6+(L/100)µm
D. 7+(L/100)µm
Answer» B. 5+(L/100)¬¨¬®¬¨¬µm
10.

Which of the following option is correct about given statements about micrometer?

A.
B.
Answer» C.
11.

How many divisions are graduated on thimble?

A. 20
B. 25
C. 45
D. 50
Answer» E.
12.

What is the total error in micrometer?

A. Positive and negative deviation from the zero point
B. Error in parallelism
C. Deviation from measurement of a nominal dimension
D. Maximum difference between ordinates of cumulative error
Answer» E.
13.

What is the hardness of measuring faces of anvil and spindle?

A. 800 HV
B. 600 HV
C. 1000 HV
D. 100 HV
Answer» B. 600 HV
14.

Which of the following is incorrect about micrometer?

A. Thimble and barrel should have a dull finish
B. Total travel of the measuring spindle is called measuring range
C. Graduated surface diameter of barrel should be 5 mm
D. Screw has 10 or 20 threads per cm
Answer» D. Screw has 10 or 20 threads per cm
15.

What is the use of ratchet stop in micrometer?

A. Prevent motion of spindle
B. Maintain uniform measuring pressure
C. Provide measuring surface
D. Forms measuring tip
Answer» C. Provide measuring surface
16.

What is the least count of a micrometer?

A. 0.01 mm
B. 0.02 mm
C. 0.1 mm
D. 0.2 mm
Answer» B. 0.02 mm