Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Total radiation only Monochromatic radiation only Both A and B Only volumes and not to surfaces Total radiation only Monochromatic radiation only Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is increased True temperature drop increases Both B and C Capacity of the evaporator is decreased Capacity of the evaporator is increased True temperature drop increases Both B and C Capacity of the evaporator is decreased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation None of the listed here Both total & monochromatic total monochromatic None of the listed here Both total & monochromatic total monochromatic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Is almost independent of temperature Increases rapidly with temperature rise Is almost independent of pressure Both B and C Is almost independent of temperature Increases rapidly with temperature rise Is almost independent of pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation None of these Nature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers give larger area per tube use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall are used for smaller heat load give larger area per tube use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall are used for smaller heat load ANSWER DOWNLOAD EXAMIANS APP