Heat Transfer Questions

Q.  Sensible heat is the heat required to __________________?

a. change vapour into liquid
b. change liquid into vapour
c. increase the temperature of a liquid of vapour
d. convert water into steam and superheat it
e. convert saturated steam into dry steam


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Thermal diffusivity of a substance is ____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  According to Prevost theory of heat exchange ___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following has least value of conductivity_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Heat flows from one body to other when they have_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The amount of heat flow through a body by conduction is_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following has maximum value of thermal conductivity________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Heat transfer by radiation mainly depends upon___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Moisture would find its way into insulation by vapour pressure unless it is prevented by __________________ ?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal diffusivity is ____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of wood depends on_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Film coefficient is defined as Inside diameter of tube________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Unit of thermal diffusivity is_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
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: T-Code Scripts
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: T-Code Scripts
MCQs:  A grey body is one whose absorptivity_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
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: T-Code Scripts
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: T-Code Scripts
MCQs:  Emissivity of a white polished body in comparison to a black body is________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A non-dimensional number generally associated with natural convection heat transfer is________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts