Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are _______________ respectively ?
2
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by _____________ have residual stresses ?
3
The excess air required for the combustion of pulverized coal is of the order of about _______________ percent ?
These are just sample questions. The actual quiz contains 15 questions.
