Heat Transfer Viscosity of gases __________ with increase in temperature. Increase slowly Increase very rapidly Remain unaffected Decrease slowly Increase slowly Increase very rapidly Remain unaffected Decrease slowly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to volume Surface area to perimeter Perimeter to surface area Volume to surface area Surface area to volume Surface area to perimeter Perimeter to surface area Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Plate Sphere All of these Cube Plate Sphere All of these Cube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to increase continues to decrease goes through a maximum. goes through a minimum continues to increase continues to decrease goes through a maximum. goes through a minimum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor Factor of safety None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Schmidt number Peclet number Stanton number Brinkman number Schmidt number Peclet number Stanton number Brinkman number ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS