During arc welding eyes need to be protected against
A) Microwaves
B) Infrared and ultraviolet rays
C) Intense glare
D) X-rays and gamma rays
E) High frequency waves
Correct Answer:
Verified
Q18: Which of the following is a single
Q19: While using cemented carbide tipped tools on
Q20: A silver point is
A)The temperature of equilibrium
Q21: In order to avoid unscrewing while on
Q22: The Roman notation DCCCC represents
A)900
B)440
C)340
D)90
E)140
Q24: In EDM the number of discharges perminute
Q25: Undercutting is
A)An operation of cutting deep grooves
B)None
Q26: The minimum section thickness for cast iron
Q27: When large number of components are turned
Q28: Which of the following plate can be
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