Engineering Metrology Mock Test 6

10%

Question 1 of 10

1. What is the least count of clinometer which is used to check reading of column rotation used for setting of helix angles in universal micrometer?

3’

2’

4’

1’

Question 1 of 10

Question 2 of 10

2. What is the importance of the valley in any irregular surface?

Reduce stress concentration

Retain film of lubricating oil

Reduce metal to metal contact

Improve surface texture

Question 2 of 10

Question 3 of 10

3. What is the maximum permissible error for class I micrometers?

0.004 mm

0.002 mm

0.008 mm

0.016 mm

Question 3 of 10

Question 4 of 10

4. The method used for determining the angle of internal dovetail for some measurements. Which of the following is suitable for this method?

Any flat tapered work which can be placed on a surface

Angle of taper plug gauge

Angle of taper ring gauge

Any round taper work which can be placed on a surface

Question 4 of 10

Question 5 of 10

5. Which of the following is true about the method of measuring the angle of V-groove?

Larger disc is placed in the groove after removing the smaller disc

Larger disc is placed over the smaller disc in groove

Smaller disc is placed below the smaller disc

Larger disc is placed in the groove without removing the smaller disc

Question 5 of 10

Question 6 of 10

6. For which purpose indicating instrument is used in electronic gauging?

To display calculations

To display dimensions

To display part number

To display electrical pulse

Question 6 of 10

Question 7 of 10

7. Which of the following is true about probes used in automatic inspection machines?

Auxiliary probe is not used

Retractable type

Non-retractable type

Heads of probes are not held back till the part is in gauging position

Question 7 of 10

Question 8 of 10

8. Which of the following is true about the design of structure of automatic inspection machine?

Anti vibration mounts are placed only one leg of gauging structure

Same structure is designed for transportation and gauging system

Anti vibration mounts are placed only on two front legs of gauging structure

Separate structure is designed for transportation and gauging system

Question 8 of 10

Question 9 of 10

9. Which of the following is true for checking the Relative perpendicular motion of the longitudinal and transverse carriage?

This is checked using a slip gauges

Maximum error in precision error is of ± 10″ in squareness

Precision square of class I or 0 is used

The permissible error allowed is 0.005 mm in 2500 mm length.

Question 9 of 10

Question 10 of 10

10. Which term is used for errors of first and second order?

Mini geometrical error

Micro geometrical error

Macro geometrical error

Mili geometrical error

Question 10 of 10