Chemical Engineering Basics In a casting, cold shut defect is caused by Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Employs minimum quantity of refrigerant Consumer minimum horse power Has very high C.O.P Is as light as possible Employs minimum quantity of refrigerant Consumer minimum horse power Has very high C.O.P Is as light as possible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 80 25 70 50 80 25 70 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Machinable Prone to season cracking Abrasion resistant Corrosion resistant Machinable Prone to season cracking Abrasion resistant Corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of hard alloy and tool steel is done to make it easily machinable. Normalising Tempering Annealing Case carburising Normalising Tempering Annealing Case carburising ANSWER DOWNLOAD EXAMIANS APP
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