MCQs: Thermal diffusivity of a substance is ____________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: According to Prevost theory of heat exchange ___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following has least value of conductivity_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Heat flows from one body to other when they have_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: The amount of heat flow through a body by conduction is_______________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following has maximum value of thermal conductivity________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Heat transfer by radiation mainly depends upon___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Moisture would find its way into insulation by vapour pressure unless it is prevented by __________________ ?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Thermal diffusivity is ____________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Thermal conductivity of wood depends on_______________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Film coefficient is defined as Inside diameter of tube________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Unit of thermal diffusivity is_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as ________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: A grey body is one whose absorptivity_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Heat conducted througfi unit area and unit thick face per unit time when temperature difference between opposite faces is unity,is called__________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Two balls of same material and finish have their diameters in the ratio of 2 : 1 and both are heated to same temperature and allowed to cool by radiation. Rate of cooling by big ball as compared to smaller one will be in the ratio of____________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Emissivity of a white polished body in comparison to a black body is________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: A non-dimensional number generally associated with natural convection heat transfer is________________?
Category: Mechanical Engineering Questions, Published by: teswesm
|