Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is <1 Zero >1 1 <1 Zero >1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ √t Independent of 't' ∝ t ∝ 1/t ∝ √t Independent of 't' ∝ t ∝ 1/t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Turbulent Laminar Creeping Transition region Turbulent Laminar Creeping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Yellow paint White paint Black paint Grey paint Yellow paint White paint Black paint Grey paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Liquids Both solids & liquids Gases Solids Liquids Both solids & liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux through several resistances in series in analogous to the current flowing through several. capacitors in series resistances in parallel resistances in series none of the listed here capacitors in series resistances in parallel resistances in series none of the listed here ANSWER DOWNLOAD EXAMIANS APP