Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 1000 10 100 10000 1000 10 100 10000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Diaphragm Electromagnetic Reciprocating Axial flow Diaphragm Electromagnetic Reciprocating Axial flow 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 Decreases & increases Increases & decreases Decreases & decreases Increases & increases Decreases & increases Increases & decreases Decreases & decreases Increases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle. Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion & compression are isentropic Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
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