Home
PDF Store
Exams
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Home
All MCQ
Exams
PDF Store
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
What is the correct answer?
4
Heat transfer in liquid and gases takes place by
A.
Conduction
B.
Convection
C.
Radiation
D.
Conduction and convection
Correct Answer :
B. Convection
Related Questions
A steam pipe is to be insulated by two insulating materials put over each…
The thermal diffusivities for gases are generally
The critical temperature is the temperature
The unit of Stefan-Boltzmann constant is
The transfer of heat by molecular collision is known as
In free convection heat transfer, Nusselt number is function of
Sensible heat factor is given by (where S.H. = Sensible heat, and L.H.…
The ratio of Nusselt number and the product of Reynold's number and Prandtl…
When heat is transferred by molecular collision, it is referred to as…
Film coefficient is defined as Inside diameter of tube
Absorptivity of a body will be equal to its emissivity
According to Newton's law of cooling, the heat transfer from a hot body…
Thermal conductivity of air with rise in temperature
The unit of overall coefficient of heat transfer is
Log mean temperature difference in case of counter flow compared to parallel…
Which of the following statement is correct?
The heat transfer by conduction through a thick sphere is given by
When heat is transferred from one particle of hot body to another by actual…
Thermal diffusivity is a
The ratio of surface convection resistance to the internal conduction…
Thermal conductivity of solid metals with rise in temperature normally
Depending on the radiating properties, body will be transparent when
When heat is transferred from hot body to cold body, in a straight line,…
Thermal conductivity of wood depends on
Heat flows from one body to other when they have
The process of heat transfer from one particle of the body to another…
Fourier's law of heat conduction gives the heat flow for
The ratio of the thickness of thermal boundary layer to the thickness…
Fourier's law of heat conduction is (where Q = Amount of heat flow through…
The heat of sun reaches to us according to
Also checkout
Relativity MCQ
Direction MCQ
Design of Masonry Structures MCQ
Linux OS MCQ
Airport Engineering MCQ
Compounds with Functional Groups Containing MCQ
Mechanical Engineering MCQ
Male reproduction and infertility MCQ
Co-Ordination Compound MCQ
Miscellaneous MCQ
Series MCQ
Pteridophyta MCQ