Home
PDF Download
Exams
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Home
All MCQ
Exams
PDF Download
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
What is the correct answer?
4
The ratio of the energy absorbed by the body to total energy falling on it is called
A.
Absorptive power
B.
Emissive power
C.
Absorptivity
D.
Emissivity
Correct Answer :
A. Absorptive power
Related Questions
Thermal conductivity of a material may be defined as the
Depending on the radiating properties, a body will be black when
Depending on the radiating properties, body will be transparent when
Upto the critical radius of insulation,
If the energy radiated per second per sq. cm. of the surface for wave…
The thermal diffusivities for solids are generally
Reynolds number is the ratio of
The automobile radiator is a heat exchanger of
The heat is transferred by conduction, convection and radiation in
The product of Reynolds number and Prandtl number is known as
The heat transfer by conduction through a thick cylinder (Q) is given…
A grey body is one whose absorptivity
Fourier's law of heat conduction gives the heat flow for
According to Prevost theory of heat exchange
The total emissivity power is .defined as the total amount of radiation…
An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated…
The amount of radiation mainly depends on
The unit of Stefan-Boltzmann constant is
Cork is a good insulator because it has
All radiations in a black body are
According of Kirchhoff's law
According to Wien's law, the wavelength corresponding to maximum energy…
The insulation ability of an insulator with the presence of moisture would
Emissivity of a white polished body in comparison to a black body is
Joule sec is the unit of
Depending on the radiating properties, a body will be opaque when
Thermal conductivity of glass wool varies from sample to sample because…
A composite slab has two layers of different materials with thermal conductivities…
In a shell and tube heat exchanger, baffles are provided on the shell…
The process of heat transfer from one particle of the body to another…
Also checkout
Google Adwords MCQ
Payroll MCQ
Pteridophyta MCQ
Phylum - Pisces MCQ
Adobe Flash MCQ
Units, Dimensions and Errors MCQ
Design of Steel Structures MCQ
Calendar MCQ
Refrigeration & Air-Conditioning MCQ
Advanced Surveying MCQ
Java Programming MCQ
Basics of Economics MCQ