Hamad Chemical Engineering Basics 04/06/2024 A. CCl2F2 B. CCl3F C. CClF3 D. CCl4F Related Mcqs: Case hardening is not done by________________?A. Nitriding B. Hot dipping C. Electroplating D. Both ‘B’ & ‘C’... In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following _______________________?A. Jet of water at high pressure B. Blast of air C. Mixture of water and air D. Rain of molten lead... The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong _____________________?A. Base and strong acid B. Base and weak acid C. Acid and weak base D. None of these... The highest stress that a material can withstand for a specified length of time without excessive deformation is called the ____________ strength ?A. Creep B. Endurance C. Fatigue D. None of these... Brazing filler metal used for joining steel plates_________________?A. Melts below the melting points of base metals B. Melts below 300°C C. Is copper phosphorous alloy D. Is copper...
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