Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Higher solute concentration in the product Lower steam economy Higher steam economy Lower heat transfer area Higher solute concentration in the product Lower steam economy Higher steam economy Lower heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of CO₂ Dissolved O₂ Neither A nor B Both A & B CO₂ Dissolved O₂ Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Natural convection Forced convection Radiation Transient heat conduction Natural convection Forced convection Radiation Transient heat conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Can not pass through vacuum Can be reflected by a mirror Both B and C Travel in straight line Can not pass through vacuum Can be reflected by a mirror Both B and C Travel in straight line ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Between two bodies in physical contact with each other Both B & C Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Between two bodies in physical contact with each other Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? None of the listed here liquid metal mercury dowtherm None of the listed here liquid metal mercury dowtherm ANSWER DOWNLOAD EXAMIANS APP
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