Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 1 0 between 0 and 1 >1 1 0 between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here absorber Both emitter & absorber emitter none of the listed here absorber Both emitter & absorber emitter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. film none of the listed here transition pool film none of the listed here transition pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Either A, B or C Logarithmic Geometric Arithmetic Either A, B or C Logarithmic Geometric ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Mechanical strength of the equipment Temperature gradient Heat transfer co-efficient Heat transfer area Mechanical strength of the equipment Temperature gradient Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Sum of all resistances Maximum resistance in the series Minimum resistance presents in the series Average of all resistances Sum of all resistances Maximum resistance in the series Minimum resistance presents in the series Average of all resistances ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS