11696. The heat treatment process used for castings is

By Admin / September 8, 2025

carburising

normalising

annealing

tempering

✅ The correct answer is option B.

11695. The maximum solubility of carbon in austenite is 1.7% at 1130° C.

11697. The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice)

1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm².

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2. Transformer cores are normally made from

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