29. The thickness of light gauge sheet steel can be best checked with a
A.Finely divided steel scale
B.Depth gauge
C.Hermaphrodite caliper
D.Micrometer
30. Which of the following gives an idea_ about the ability of the equipment to detect small vartiation in the input signal (quantity being measured)
A.Readability
B.Accuracy
C.Sensivity
D.Precision
31. If attempts are made to make an instrument very sensitive, which of the following qualities is likely to be impaired
A.Precision
B.Accuracy
C.Readability
D.Rangeability
32. Optical flats are made of
A.Quartz
B.Glass
C.Plastic
D.Steel
33. The axis of measurement of the scale or other dimensional reference should coincide. This principle is called the
A.Principle of kinematic design
B.Principle of alignment
C.Principle of linear measuring instruments
D.Principle of collinearity
34. Pick out the wrong stateinent about flexible strips.
A.These are used in instruments where small movements are required between component parts
B.No force or torque is required to displace a member located on flexible strip from its mid position
C.It has no friction or backlash
D.It is not subjected to wear
35. The least count of a metric vernier caliper having 25 divisions on vernier scale, matching with 24 divisions of main scale (1 main scale division = 0.5 mm) is
A.0.05 mm
B.0.01 mm
C.0.02 mm
D.0.001 mm
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