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
The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called
A.
Conduction
B.
Convection
C.
Radiation
D.
None of these
Correct Answer :
B. Convection
Related Questions
Which of the following has maximum value of thermal conductivity?
The critical temperature is the temperature
According to Dalton's law of partial pressures, (where pb = Barometric…
The amount of heat flow through a body by conduction is
In counter flow heat exchangers
Thermal conductivity of wood depends on
The radiation emitted by a black body is known as
Thermal diffusivity is
The heat transfer takes place according to
The transfer of heat by molecular collision is smallest in
According to Stefan Boltzmann law, the total radiation from a black body…
When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity…
In case of liquids and gases, the heat transfer takes place according…
Stefan Boltzmann law is applicable for heat transfer by
The ratio of the emissive power and absorptive power of all bodies is…
40% of incident radiant energy on the surface of a thermally transparent…
Heat transfer in liquid and gases takes place by
Which of the following statement is correct?
Film coefficient is defined as the ratio of
Depending on the radiating properties, a body will be black when
The value of the wavelength for maximum emissive power is given by
The total radiation from a black body per second per unit area is ________…
The value of Prandtl number for air is about
Thermal conductivity of air at room temperature in kcal/m hr °C is…
The ratio of Nusselt number and the product of Reynold's number and Prandtl…
According to Newton's law of cooling, the heat transfer from a hot body…
Fouling factor is used
Absorptivity of a body will be equal to its emissivity
The value of the wave length for maximum emissive power is given by
When α is absorptivity, ρ is reflectivity and τ is transmissivity,…
Also checkout
IBPS Common Written Exam (PO/MT) Main 2016 Solved Paper MCQ
Inequalities MCQ
Partnership MCQ
Hydraulics & Fluid Machineries MCQ
Course of Action MCQ
PL/SQL MCQ
Current Affairs May 2017 MCQ
Synonyms MCQ
Compound Interest MCQ
Ratio and Proportion MCQ
General Physics MCQ
Machine Input MCQ