Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Wavelength of radiation Nature of the body None of these Temperature of the body Wavelength of radiation Nature of the body None of these Temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to reduce the economy reduce the capacity increase the economy all of the listed here reduce the economy reduce the capacity increase the economy all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to relieve stresses caused by thermal expansion increase the heat transfer area increase log mean temperature gradient facilitate cleaning of the exchanger relieve stresses caused by thermal expansion increase the heat transfer area increase log mean temperature gradient facilitate cleaning of the exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Cross-current Counter-current Co-current Direct contact Cross-current Counter-current Co-current Direct contact ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m²°C None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K 1 kcal/hr. m²°C None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K ANSWER DOWNLOAD EXAMIANS APP
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