Mechanical Measurement and Metrology (3141901) MCQs

MCQs of Introduction to Metrology, Linear and Angular Measurement

Showing 61 to 70 out of 81 Questions
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61.
Which of the following is a general dimension of the blade(length*width)?
(a) 250mm*3mm
(b) 100mm*2mm
(c) 150mm*3mm
(d) 150mm*2mm
Answer:

Option (c)

62.
Accuracy of setting a sine bar
(a) is poor for smaller angles
(b) is maximum when angle of measurement is
(c) decreases appreciably with steep angle
(d) is dependent on accuracy of outer dimensions of sine bar
Answer:

Option (c)

63.
External taper can be accurately measured with the help of
(a) sine bar and slip gauges
(b) dividing head
(c) height gauge
(d) clinometer
Answer:

Option (a)

64.
The working principle of sine bar is
(a) trigonometry
(b) optimetry
(c) interferometry
(d) algebric
Answer:

Option (a)

65.
Which one of the following is an angle measuring device?
(a) Trammel
(b) Hermaphrodite caliper
(c) Divider
(d) Sine bar
Answer:

Option (d)

66.
Up to which angle sine bars can measure the angles
(a) 45
(b) 60
(c) 90
(d) 120
Answer:

Option (a)

67.
Which of the following is not the essential requirement for accuracy of measurement with a sine bar?
(a) Flatness of upper surface
(b) Exact distance between roller axes and mutual parallelism
(c) Parallelism between top and bottom surfaces
(d) Parallelism of rollers to upper surface and equality of axis distance as from surface
Answer:

Option (c)

68.
Sine bar specification can be expressed in _________
(a) center distance between the two rollers and size of rollers
(b) its total length
(c) weight of sine bar
(d) length and width of rollers
Answer:

Option (a)

69.
What is the permissible tolerance on the flatness of side faces of sine bars of 100 mm as per IS 5359-1969?
(a) 0.001 mm
(b) 0.005 mm
(c) 0.01 mm
(d) 0.05 mm
Answer:

Option (b)

70.
Which of the following is not used in the making of sine bars?
(a) High carbon
(b) High chromium
(c) Corrosion-resistant steel
(d) Aluminum
Answer:

Option (d)

Showing 61 to 70 out of 81 Questions
4 5 6 7 8 9