Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Nucleate boiling Conduction Radiation Convection Nucleate boiling Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Lumpy coal Pulverised coal Coke Charcoal Lumpy coal Pulverised coal Coke Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Has very high C.O.P Consumer minimum horse power Employs minimum quantity of refrigerant Is as light as possible Has very high C.O.P Consumer minimum horse power Employs minimum quantity of refrigerant Is as light as possible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following contributes maximum as main source of sulphur in the blast furnace charge ? Limestone Sinter Coke Iron ore Limestone Sinter Coke Iron ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is zero Density variation is maximum Velocity gradient is flat Shear stress is maximum Shear stress is zero Density variation is maximum Velocity gradient is flat Shear stress is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Thermal efficiency of an internal combustion engine is around __________ percent. 65 8 80 35 65 8 80 35 ANSWER DOWNLOAD EXAMIANS APP