Heat Transfer - Part 1 Online Exam Quiz
Heat Transfer - Part 1 GK Quiz. Question and Answers related to Heat Transfer - Part 1. MCQ (Multiple Choice Questions with answers about Heat Transfer - Part 1
Crystal size in a continuous crystalliser depends upon the
Options
A : rate of heat transfer.
B : degree of turbulence.
C : degree of supersaturation.
D : all (a), (b) and (c).
Heat waves
Options
A : can not pass through vacuum.
B : travel in straight line.
C : can be reflected by a mirror.
D : both (b) and (c).
Air is best heated with steam in a heat exchanger of
Options
A : plate type.
B : double pipe type with fin on steam side.
C : double pipe type with fin on air side.
D : shell and tube type.
Which of the following is generally considered as opaque surface towards radiations?
Options
A : Gases
B : Solids
C : Liquids
D : Both (b) and (c)
Black liquor generated during paper manufacture is concentrated in a
Options
A : single effect evaporator.
B : single effect evaporator followed by a crystalliser.
C : multiple effect evaporator.
D : multiple effect evaporators followed by a crystalliser.
When vaporisation takes place directly at the heating surface, it is called
Options
A : film boiling
B : nucleate boiling
C : vapour binding
D : none of these
Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively)
Options
A : C / E
B : E / C
C : CE
D : -
Reynold's analogy states that
Options
A : N st ? f
B : N st ? N Re
C : N Nu ? f
D : N Re ? f
With increase in temperature, the thermal conductivity of non-metallic amorphous solids
Options
A : decreases
B : increases
C : remains constant
D : first decreases upto certain temperature and then increases
Fourier's law applies to the heat transfer by
Options
A : convection
B : radiation
C : conduction
D : all (a), (b) & (c)
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