Chemical Engineering Basics __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Alumina Magnesia Zirconia Beryllia Alumina Magnesia Zirconia Beryllia ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Toughness Internal stress level Softness Machinability Toughness Internal stress level Softness Machinability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Ignition of fuel in a diesel engine is by Hot compressed air Fuel injection Spark None of these Hot compressed air Fuel injection Spark None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Relative motion between the billet surface and the container wall is always present Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion 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 Frost formation on the evaporator tubes in the domestic refrigerators Decreased compressor power Can be prevented by proper design Is immaterial Causes heat loss due to poor heat transfer Decreased compressor power Can be prevented by proper design Is immaterial Causes heat loss due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
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