Metrology, GD & T

Least count of digital vernier caliper

• 0.01 mm

• 0.001 mm

• 0.02 mm

• 0.002 mm

Least count of digital micrometer

• 0.01 mm

• 0.001 mm

• 0.02 mm

• 0.002 mm

The dimension 54 + 0.05 mm is example of

• Unilateral Tolerance

• Bilateral Tolerance

• Both

The dimension 54 +0.05 mm is example of

• Unilateral Tolerance

• Bilateral Tolerance

• Both

The upper & lower limit of the dimension 64.00 + 0.04

• Upper limit - 64.04

  Lower limit - 63.96

• Upper limit - 64.004

  Lower limit - 63.996

• Upper limit - 64.6

  Lower limit - 63.6

The upper & lower limit of the dimension 55.00 + 0.005

• Upper limit - 55.005

  Lower limit - 54.995

• Upper limit - 55.05

  Lower limit - 54.95

• Upper limit - 55.5

  Lower limit - 54.5

The permissible amount of deviation in the dimension is called

• Tolerance

• Limits

• Fit

The relationship between two mating parts is called

• Tolerance

• Limits

• Fit

Identify the gauge given in the picture

• Plug Gauge

• Thread Plug Gauge

• Pin Gauge

Identify the gauge given in the picture

• Thread Ring Gauge

• Ring Gauge

• Taper Gauge