1. . Spindle works to rotate of Micrometer
(A) Frame
(B) Thimble
(C) Lock nut
(D) Barrel
2. . The Least Count of Metric Micrometer is
(A) 0.001 mm
(B) 0.01 mm
(C) 0.02 mm
(D) 0.002 mm
3. . Important part of Micrometer is
(A) Ratchet
(B) Spindle
(C) Thimble
(D) Anvil
4. . The function of Ratchet in Micrometer
(A) To Control Measuring
(B) To control the Jaws
(C) To accurate Measure
(D) To hold the job