Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low density Abundance & high heat capacity High fluidity Low viscosity Low density Abundance & high heat capacity High fluidity Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Pool None of these Low pressure Nucleate Pool None of these Low pressure Nucleate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fourier's law Newton's law of cooling None of these Fick's law Fourier's law Newton's law of cooling None of these Fick's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Reynolds None of the listed here Prandtl Both Reynolds & Prandtl Reynolds None of the listed here Prandtl Both Reynolds & Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have Less resistance to heat flow Low thermal conductivity A porous structure High thermal conductivity Less resistance to heat flow Low thermal conductivity A porous structure High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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