Which hardening process is free from scale formation?
A) Flame hardening
B) Nitriding
C) Cyaniding
D) Induction hardening
E) Parting off
Correct Answer:
Verified
Q9: Which strength is the major consideration, which
Q10: While cutting double start threads of pitch
Q11: In ultrasonic welding the frequency range is
Q12: In which of the following process the
Q13: Which of the following is a clearance
Q15: Miter gears are
A)Gears of different modules
B)Spur gears
Q16: In gas welding using oxygen and acetylene
Q17: Some substances generate voltage when they are
Q18: Ball bearing races are
A)Lapped
B)Ground
C)Nickel plated
D)Buffed
E)Turned
Q19: In centreless grinding the regulating wheel is
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