Explore topic-wise MCQs in Engineering Metrology.

This section includes 15 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.

What is the order of overall magnification in Eden-Rolt Millionth Comparator?

A. 50
B. 400
C. 20,000
D. 800
Answer» D. 800
2.

What is the use of bleed valve in flow type pneumatic comparator?

A. Zero adjustment
B. Measurement of size
C. Connect passage of air from plastic tube to gauging head
D. Used with pressure reducing unit
Answer» B. Measurement of size
3.

Which of the following is true for ’Cross strip’ in sigma comparator?

A. Has two moving members
B. Cross strip is hinged
C. Two members are at 45o to each other
D. A flexible strip is attached to any one of the members of cross strip
Answer» C. Two members are at 45o to each other
4.

From which category ‘Sigma comparator’ belongs?

A. Optical comparator
B. Mechanical comparator
C. Mechanical-optical comparator
D. Pneumatic comparator
Answer» C. Mechanical-optical comparator
5.

What is the principle of ‘The Johansson Mikrokator’?

A. Button spinning on a loop of string
B. Principle of interference
C. Optical magnification
D. Principle of transformer
Answer» B. Principle of interference
6.

WHAT_IS_THE_USE_OF_BLEED_VALVE_IN_FLOW_TYPE_PNEUMATIC_COMPARATOR??$

A. Zero adjustment
B. Measurement of size
C. Connect passage of air from plastic tube to gauging head
D. Used with pressure reducing unit
Answer» B. Measurement of size
7.

What_is_the_order_of_overall_magnification_in_Eden-Rolt_Millionth_Comparator?$

A. 50
B. 400
C. 20,000
D. 800
Answer» D. 800
8.

Which of the following option is correct regarding the characteristics of comparators?

A. Minimum inertia
B. Minimum compensation for temperature effect
C. High measuring pressure
D. Minimum versatility
Answer» B. Minimum compensation for temperature effect
9.

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

A. Utilise both mechanical and optical magnifications
B. Only mechanical magnification
C. Only optical magnification
D. Only electrical magnification
Answer» B. Only mechanical magnification
10.

Which colour of light is filtered by filter present in Zeiss Ultra-optimeter?

A. Red
B. Blue
C. Green
D. Yellow
Answer» D. Yellow
11.

Which of the following is true for ’Cross strip’ in sigma comparator?$

A. Has two moving members
B. Cross strip is hinged
C. Two members are at 45<sup>o</sup> to each other
D. A flexible strip is attached to any one of the members of cross strip
Answer» C. Two members are at 45<sup>o</sup> to each other
12.

What is the advantage of mechanical comparator over others?

A. Less moving parts
B. No need of external supply
C. No error due to parallax
D. Large range of instrument
Answer» C. No error due to parallax
13.

From which category ‘Sigma comparator’ belongs?$

A. Optical comparator
B. Mechanical comparator
C. Mechanical-optical comparator
D. Pneumatic comparator
Answer» C. Mechanical-optical comparator
14.

What is the principle of ‘The Johansson Mikrokator’?$

A. Button spinning on a loop of string
B. Principle of interference
C. Optical magnification
D. Principle of transformer
Answer» B. Principle of interference
15.

Which of the following is true for uses of comparators?

A. Can’t be used in mass production
B. Not suitable for inspection purposes
C. Can be used as working gauge
D. Slow rate of working
Answer» D. Slow rate of working