Engineering Metrology Mock Test 4

10%

Question 1 of 10

1. Which of the following option is true for autocollimators?
Statement 1: Electronic autocollimator has more resolution than visual autocollimator.
Statement 2: Observations are taken using precision level.

T, T

T, F

F, F

F, T

Question 1 of 10

Question 2 of 10

2. How many electrical check heads are incorporated in electric multicheck?

Question 2 of 10

Question 3 of 10

3. Which of the following is not true for autocollimator?

Use for small tilts

Used to determine parallelism

Contact measurement

High sensitivity

Question 3 of 10

Question 4 of 10

4. Which of the following represents the quality of straightness in precision engineering?

Spirit level

Straight edge

Autocollimator

Dial indicator

Question 4 of 10

Question 5 of 10

5. Which of the following is true for Eden-Rolt Millionth Comparator?

Utilise both mechanical and optical magnifications

Only optical magnification

Only mechanical magnification

Only electrical magnification

Question 5 of 10

Question 6 of 10

6. What is the relation between overall magnification and pneumatic sensitivity in pneumatic comparators?

Independent of each other

Overall magnification is directly dependent on the square of pneumatic sensitivity

Overall magnification is inversely proportional to the pneumatic sensitivity

Overall magnification is directly dependent on the pneumatic sensitivity

Question 6 of 10

Question 7 of 10

7. What is the pattern of fringes, if an optical flat is resting on any hill?

Concentric dark and light band fringes

Straight dark fringes

Central band dark

Central band may be light or black

Question 7 of 10

Question 8 of 10

8. Which of the following is the method to test parallelism in Type-B optical flats?

Stephan interferometer

Fizeau interferometer

Hawking interferometer

Enrico interferometer

Question 8 of 10

Question 9 of 10

9. What is the length of Prismatic grating?

200 mm

300 mm

400 mm

500 mm

Question 9 of 10

Question 10 of 10

10. Which of the following is not correct for pneumatic comparator?

Total life cost is less

Independent of operator skill

Speedy operation

Loss of accuracy due to gauge wear

Question 10 of 10