a full size structure employed in actual engineering design

a dynamically similar model on reduced scale

a kinematically similar model on reduced scale

a full size structure employed in actual engineering design

Learn Heat Transfer MCQ Questions with answers and solutions.

A

Admin • 802.91K Points
Coach

Q. Absolute zero is

(A) 0?C
(B) 0?R
(C) 0?F
(D) 0?K

A

Admin • 802.91K Points
Coach

Q. The heat of sum reaches to us according to

(A) radiation
(B) conduction
(C) convection
(D) None of the above

A

Admin • 802.91K Points
Coach

Q. A prototype is

(A) a dynamically similar model on reduced scale
(B) a kinematically similar model on reduced scale
(C) 37,500 kg
(D) a full size structure employed in actual engineering design

A

Admin • 802.91K Points
Coach

Q. Two pieces of wood are placed in sunlight. One is painted white and the other is painted black. It can be concluded that

(A) White painted wood will not absorb any solar radiation
(B) Black painted wood will not absorb any solar radiation
(C) Black painted wood will absorb less heat as compared to white painted wood
(D) Black painted wood will absorb more hcat as compared to white painted wood

A

Admin • 802.91K Points
Coach

Q. A dimensionless group which represents the rate of the (product of intertial forces times buoyant forces) to viscous force squared is known as

(A) Reynolds number
(B) Mach number
(C) Prandtl number
(D) Grashof number

A

Admin • 802.91K Points
Coach

Q. The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as

(A) Stanton number
(B) Weber number
(C) Prandtl number
(D) 37,500 kg

A

Admin • 802.91K Points
Coach

Q. Which evaporator is preferred for concentrating the fruit juice?

(A) Agitated film evaporator
(B) Falling film evaporator
(C) Long vertical tube evaporator
(D) Zig-zag film evaporator

A

Admin • 802.91K Points
Coach

Q. A perfect black body is the one which

(A) Absorbs all incident radiation
(B) Reflects all incident radiation
(C) Absorbs most of the incident radiation
(D) Is coated with lamp black

A

Admin • 802.91K Points
Coach

Q. Three rods one made of glass, one of pure aluminium and one made of wrought iron are heated to 150?C. All the rods are 15 mm in diameter and 300 mm long. The lowest temperature at the free end of the rods will occur in case of

(A) Glass rod
(B) Wrought iron rod
(C) Temperature will depend on the surrounding air temperature
(D) Aluminium rod

A

Admin • 802.91K Points
Coach

Q. Non-dimensional number generally involved in case of heat transfer from horizontal cylinder by natural convection is

(A) Reynolds number
(B) Nusselt number
(C) Prandtl number
(D) (B), (C) and (D) above

Heat Transfer MCQs with answers Page - 80

Q. Absolute zero is

Q. The heat of sum reaches to us according to

Q. A prototype is

Q. Two pieces of wood are placed in sunlight. One is painted white and the other is painted black. It can be concluded that

Q. A dimensionless group which represents the rate of the (product of intertial forces times buoyant forces) to viscous force squared is known as

Q. The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as

Q. Which evaporator is preferred for concentrating the fruit juice?

Q. A perfect black body is the one which

Q. Three rods one made of glass, one of pure aluminium and one made of wrought iron are heated to 150?C. All the rods are 15 mm in diameter and 300 mm long. The lowest temperature at the free end of the rods will occur in case of

Q. Non-dimensional number generally involved in case of heat transfer from horizontal cylinder by natural convection is

Add MCQ in this Category

Browse Categories