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WorksheetsMETROLOGY III
Total questions: 15
Worksheet time: 8mins
Which of the following is not an angle measuring device?
Feeler Gauge
Sine Bar
Protractor
Combination Set
What is the range of bevel protractor?
0-90°
0-180°
0-360°
90-270°
Where will be the vernier scale is present in bevel protector?
Base Plate
Circular Plate
Adjustable Plate
Main Body
What is the least count of vernier bevel protractor?
10’
5’’
5’
10’’
Accuracy of setting a sine bar
is poor for smaller angles
decreases appreciably with steep angle
is dependent on accuracy of outer dimensions of sine bar
None of these
External taper can be accurately measured with the help of
sine bar and slip gauges
dividing head
height gauge
clinometer
Which of the following is true?
Ring gauge has a taper angle of 3 Φ
Clinometer cannot measure angle between two adjacent surfaces
Clinometer uses micrometer to measure small angles
All of the above
The working principle of sine bar is
optimetry
trigonometry
interferometry
algebric
Which among the following is an optical instrument?
angle dekkor
autocollimator
both of the above
none of the above
Which one of the following is an angle measuring device?
Trammel
Hermaphrodite caliper
Divider
Sine bar
Up to which angle sine bars can measure the angles
45
60
90
120
Which of the following is not the essential requirement for accuracy of measurement with a sine bar?
Flatness of upper surface
Exact distance between roller axes and mutual parallelism
Parallelism between top and bottom surfaces
Parallelism of rollers to upper surface and equality of axis distance as from surface
Sine bar specification can be expressed in _________
center distance between the two rollers and size of rollers
its total length
weight of sine bar
length and width of rollers
Which of the following is not used in the making of sine bars?
High carbon
High chromium
Corrosion-resistant steel
Aluminum
What is the sine center?
Center of the sine bar
Sine bar with block holding centers
Sine bar with a hole in center
Sine bar with hollow rod in center
