Explore topic-wise MCQs in Engineering Metrology.

This section includes 29 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 is used to detect the modulated reflected light from any irregularity on the surface?

A. Television camera
B. Light intensity sensor
C. Modulator
D. Video processor
Answer» E.
2.

Which of the following is mounted on a robot arm for inspecting complicated surfaces?

A. Vision sensor
B. Proximity sensor
C. Heat sensor
D. Touch sensor
Answer» B. Proximity sensor
3.

In order to have an interference fit, it is essential that the lower limit of the shaft should be:

A. Greater than upper limit of the hole
B. Lesser than upper limit of the hole
C. Greater than lower limit of the hole
D. Lesser than lower limit of the hole
Answer» B. Lesser than upper limit of the hole
4.

By which of the following procedures, the slip gauges are joined together?

A. Reaming
B. Wringing
C. Heat treatment
D. Packing
Answer» C. Heat treatment
5.

One micron is equal to ______ Centimetre.

A. 1/1000
B. 1/100
C. 1/10
D. 1/10000
Answer» E.
6.

Bore gauge is used for measuring the _______.

A. depth of a hole
B. diameter with an accuracy of 0.05 mm
C. outside diameter of a shaft
D. inside diameter of a hole
Answer» E.
7.

For which surfaces, is a spirit level used for testing straightness ?

A. Horizontal surfaces
B. Both Horizontal and vertical surfaces
C. Inclined surfaces
D. Vertical surfaces
Answer» B. Both Horizontal and vertical surfaces
8.

A Metric Outside micrometer of range 100-125 mm is used to measure the diameter of a rod. Barrel graduation showed 16.5 and the thimble graduation in line with the barrel datum line was 28. What is the diameter of the rod?

A. 16.78 mm
B. 16.64 mm
C. 1664 mm
D. 116.78 mm
Answer» E.
9.

‘GO’ and ‘NO GO’ gauge is a type of

A. Limit gauge
B. Ring gauge
C. Slip gauge
D. Plug gauge
Answer» B. Ring gauge
10.

A fit designated as 30H7/g6 is a

A. Clearance fit
B. Transition fit
C. Interference fit
D. Tolerance fit
Answer» B. Transition fit
11.

In a hole basis system, the lower deviation for the hole ‘H’ is

A. 0 mm
B. 0.1 mm
C. 1 mm
D. 0.01 mm
Answer» B. 0.1 mm
12.

A feeler gauge is used for

A. Checking accuracy of holes
B. Checking gap between the mating parts
C. Checking radii of jobs
D. Adjusting the parts for play
Answer» C. Checking radii of jobs
13.

For a hole designated as 28 ± 0.5 mm, the tolerance is

A. 0.5 mm
B. 1 mm
C. 28 mm
D. 28.5 mm
Answer» C. 28 mm
14.

_______ is an example of transition fit.

A. Running fit
B. Expansion fit
C. Wringing fit
D. Shrinkage fit
Answer» D. Shrinkage fit
15.

In the hole basis system, the hole is kept constant & the size of the _____ is varied to get the desired fit.

A. Tolerance
B. Shaft
C. Hole
D. Fit
Answer» C. Hole
16.

Hardness of slip gauges should be,

A. 55 HRC
B. 58 HRC
C. 64 HRC
D. 50 HRC
Answer» D. 50 HRC
17.

If the hole size is 25+0.000/+0.021 & the shaft size is 25+0.022/+0.035 the minimum interference is

A. 0.035 mm
B. 0.001 mm
C. 0.021 mm
D. 0.022 mm
Answer» C. 0.021 mm
18.

In mass production, parts made to definite limit of error is called as ______

A. Selective assembly
B. Tolerance
C. Allowance
D. Interchangeability
Answer» E.
19.

In an assembly, Hole size is smaller than shaft size then this type of fit is known as ______

A. Clearance fit
B. Interference fit
C. Transition fit
D. Sliding fit
Answer» C. Transition fit
20.

WHICH_OF_THE_FOLLOWING_IS_MOUNTED_ON_A_ROBOT_ARM_FOR_INSPECTING_COMPLICATED_SURFACES??$

A. Vision sensor
B. Proximity sensor
C. Heat sensor
D. Touch sensor
Answer» B. Proximity sensor
21.

Which_of_the_following_is_used_to_detect_the_modulated_reflected_light_from_any_irregularity_on_the_surface?$

A. Television camera
B. Light intensity sensor
C. Modulator
D. Video processor
Answer» E.
22.

What is another name of computer aided inspection?

A. Computer aided machining
B. Visionary machining
C. Machine vision
D. Visionary inspection
Answer» D. Visionary inspection
23.

How many points are needed on the circumference to define a circle by computer?

A. One
B. Two
C. Three
D. Four
Answer» D. Four
24.

Which of the following is used for automatic inspection?

A. Universal probes
B. Hydrolysis probes
C. Electronic probes
D. Mechanical probes
Answer» B. Hydrolysis probes
25.

What is the use of stroboscope technology?

A. Optically freezing the motion of rotating part
B. Mechanically freezing the motion of reciprocating part
C. Optically freezing the motion of reciprocating and rotating part
D. Mechanically freezing the motion of reciprocating and rotating part
Answer» D. Mechanically freezing the motion of reciprocating and rotating part
26.

How many levels are organized in an inspection data handling?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
27.

Which of the following is used to control the robot arm?

A. Microprocessor
B. Keyboard
C. Mouse
D. Computer
Answer» B. Keyboard
28.

How many degrees of freedom is in the robotic arm?

A. 1
B. 2
C. 3
D. 4
Answer» E.
29.

How a system is used to check the surface finish of a surface by CAI?

A. As a mirror
B. As a lens
C. As a black body
D. As a grey body
Answer» B. As a lens