Heat Transfer Questions

Q.  Which among the following are the methods for estimation of convective heat transfer coefficient? (1) Analogy between heat, mass and momentum transfer (2) Dimensional analysis coupled with experimental data (3) Approximate analysis of the boundary layer equation (4) Exact mathematical analysis of the boundary layer equation

a. (1), (2) and (3)
b. (2), (3) and (4)
c. (1), (2) and (4)
d. all of the given (1), (2), (3) and (4)


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  What is the correct formula for the rate of heat transfer (q) through a plane wall of thickness l and surface are A, when temperature difference between two surfaces is ΔT ? The thermal conductivity is k.
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of the same material varies with
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How does the thermal conductivity of a material change with respect to change in temperature of the same material?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What does a composite wall mean?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  When a composite wall of three layers in series having thermal resistances R1, R2 and R3 respectively, the heat transfer takes place normal to the surface of the layers. How is the total thermal resistance of the composite system calculated?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Why is the Buckingham π–Theorem used?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  According to the Buckingham π–Theorem, the number of independent dimensionless groups, formed by combining the physical variables of a problem, is equal to
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following dimensions is/are primary dimension/s?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the formula for Reynolds number (Re)? Where, ρ = density of the fluid μ = viscosity of the fluid D = tube diameter through which fluid is flowing v = velocity of the fluid
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The principle of similarity or model law states that
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Prandtl number is the ratio of
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Wien's displacement law gives the relationship between
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is a gray body?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The emissive power of gray body is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the intensity of radiation (I)?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is solid angle?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The radiation heat exchange between two bodies depends upon
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Shape factor is also called as
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How does heat flux change with increasing excess temperature in transition boiling regime of boiling heat transfer process?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which regime in boiling heat transfer process can represent a transition from nucleate boiling to film boiling?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts