While grinding the increase in wheel speed, with constant feed rate, results in
A) glazing of wheel
B) reduction of the chip size
C) Parting off
D) abrasive marks on work piece
E) shining surface
Correct Answer:
Verified
Q7: A tool has tool signature 15, 15,
Q8: A rolling mill is specified by
A)width of
Q9: Which of the following is not a
Q10: The gold point temperature is
A)569°C
B)863°C
C)100°C
D)1000°C
E)1063°C
Q11: Tungsten carbide tipped drill bits are used
A)For
Q13: Which of the following chucking device can
Q14: The limitation of a pneumatically operated automatic
Q15: Unequal lengths of lips of a twist
Q16: A cutting tool fails due to
A)crater wear
Q17: Presence of oxygen in copper
A)gives it yellow
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