49.
50.
52,
54.
56.
Solders melt at a temperature _ ع
(ക) Above 350 (8) எண 350
(9 روطم 450 {D) None of the above
Soldering flux has a melting, point (८ 176117 point of solder.
(3) Low (8) High (€) Equal (D) Above
In brazing the filler material melt at a temperature the melting temperature of
the material to be joined.
(A) Below (8) 118 (C) Equal (D) Above
Soldering of MS sheets takes place ....
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