Maximum heat transfer rate is obtained in __________ flow. Turbulent Creeping Laminar Transition region TRUE ANSWER : ? YOUR ANSWER : ?
Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling Fourier's law Fick's law None of these TRUE ANSWER : ? YOUR ANSWER : ?
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 1.66 3.66 88.66 Dependent on NRe only TRUE ANSWER : ? YOUR ANSWER : ?
Leidenfrost point is a term concerned with the Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is concerned with both heat and mass transfer ? Nusselt number Froude number Lewis relationship Kutateladze number TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ? Catchall Bleed point None of the listed here Vent TRUE ANSWER : ? YOUR ANSWER : ?
Correction is applied to LMTD for __________ flow. Cross Parallel None of these Counter TRUE ANSWER : ? YOUR ANSWER : ?
In case of a vertical tube evaporator, with increase in the liquor level, the Both B and C True temperature drop increases Capacity of the evaporator is increased Capacity of the evaporator is decreased TRUE ANSWER : ? YOUR ANSWER : ?
In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used In high range of temperature differences Because of its low cost In low range of temperature differences To prevent corrosion of the tube bundles TRUE ANSWER : ? YOUR ANSWER : ?
Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Super Sensible Both B & C Latent TRUE ANSWER : ? YOUR ANSWER : ?