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Question
2. Pick out the wrong statement about measuring out-of-roundness by V-block gauging.
Options:
A .  60 degree V-block provides triple magnification of out-of-round characteristics of 3 lobed part.
B .  With a V-block, ovality and other even-numbered lobing are magnified.
C .  For checking a five lobed part, 108? V is required
D .  The use of a series of V blocks would not necessarily detect all types of outof-roundness.
Answer: Option B

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