Q. 30 The flatness of a machine bed can be measured using
(A) Vernier calipers
(B) Auto collimator
(C) Height gauge
(D) Tool maker’s microscope
Answer: (B)
Explanation:
Q. 30 The flatness of a machine bed can be measured using
(A) Vernier calipers
(B) Auto collimator
(C) Height gauge
(D) Tool maker’s microscope
Answer: (B)
Explanation: