Engineering Metrology Mock Test 1

10%

Question 1 of 10

1. Which of the following is correct about vernier height gauges?

The base is lapped up to an accuracy of 0.05 mm

Width of interval between adjacent lines should be 1/2 or 1/3 times of the length of shortest graduations

The scriber should preferably be of more depth than jaw

The perpendicular distance between scale graduations and vernier graduations should be more than 0.01 mm

Question 1 of 10

Question 2 of 10

2. What is the hardness of measuring jaws of vernier height gauge made up of stainless steel?

350 HV

450 HV

550 HV

650 HV

Question 2 of 10

Question 3 of 10

3. How many sets of angle gauges are available?

Question 3 of 10

Question 4 of 10

4. Which if the following option is correct for given statements?
Statement 1: Feeler gauge can be used to check clearance between cylinder and piston.
Statement 2: The working of feeler gauges is completely depended on the sense of feel.

Statement 2 is true but statement 1 is not true

Both the statements are not true

Statement 1 is true but statement 2 is not true

Both the statements are true

Question 4 of 10

Question 5 of 10

5. What is the minimum total depth in high precision surface plates for 300 mm dia (nominal size)?

Question 5 of 10

Question 6 of 10

6. What is the material of the bench center’s base?

Wood

Copper

Cast Iron

Steel

Question 6 of 10

Question 7 of 10

7. Match the following apparatus with the function they perform.

A) Straight Edges         1) Checking Eccentricity
B) V-Blocks               2) Checking Flatness
C) Bench Centres          3) Small angle measurement
D) Spirit Level           4) Checking Roundness

A-4, B-3, C-2, D-1

A-3, B-1, C-4, D-2

A-2, B-4, C-1, D-3

A-1, B-2, C-3, D-4

Question 7 of 10

Question 8 of 10

8. Match the following:
Column 1 is tolerance of guiding edge of the beam in mm and column 2 is for measuring range in mm.

    Column 1                          Column 2
A) 0.02                -              1)    500
B) 0.04                -              2)    250
C) 0.06                -              3)    1000
D) 0.08                -              4)    750

A-3, B-4, C-2, D-1

A-1, B-2, C-3, D-4

A-2, B-1, C-4, D-3

A-4, B-3, C-1, D-2

Question 8 of 10

Question 9 of 10

9. Which of the following is correct for departure from flatness in Vees?

Any departure from flatness in vees should be a concavity

Any departure from flatness in vees can be a concavity or convexity

Any departure from flatness parallel to the vee axis should be a concavity

Any departure from flatness parallel to the vee axis should be a convexity

Question 9 of 10

Question 10 of 10

10. If angle of tilt is equal to 10 seconds of arc and length of one division is equal to 2.5 mm in a spirit level then what is radius of tube?

51.5 mm

51.5 m

25.5 m

25.5 mm

Question 10 of 10