Question

2.0 CHOOSE THE CORRECT ANSWER
2.1 If the cutting edges become glass like appearance it is called as
a) Truing b) Dressing c) Loading d) Glazing
2.2 Broaches are made out of
a) MS
b) HSS c) EN8 d) HCS
2.3 Sparking operation is performed
a) After heat treatment b) before heat treatment c) Either A or B d) non
2.4 Sparking is kind of operation
a) finishing b) semifinishing c) roughing d) all of these
2.5 Pressure applied to the materials to force it through the spark gap is​

Answer 1

Answer:

2.1 Glazing

2.2 HSS

2.3 After heat treatment

2.4 Roughing

2.5 Hammering

Explanation:

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