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
Join Our Socials
Telegram Group
Join Community
Twitter Group
Pinterest Group
Facebook Group
Subscribe YouTube
What is the correct answer?
4
Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of
A.
0.002
B.
0.02
C.
0.01
D.
0.1
Correct Answer :
B. 0.02
Related Questions
The transfer of heat by molecular collision is known as
Which of the following statement is wrong?
Thermal conductivity of glass wool varies from sample to sample because…
Stefan Boltzmann law is applicable for heat transfer by
Which of the following property of air does not increase with rise in…
The ratio of the energy absorbed by the body to total energy falling on…
Reynolds number (RN) is given by (where h = Film coefficient, l = Linear…
The heat transfer by conduction through a thick sphere is given by
Fourier's law of heat conduction is valid for
Depending on the radiating properties, a body will be white when
The value of the wavelength for maximum emissive power is given by
The use of heat exchangers is made in
A cube at high temperature is immersed in a constant temperature bath.…
The ratio of surface convection resistance to the internal conduction…
Sensible heat is the heat required to
Two plates spaced 150 mm apart are maintained at 1000°C and 70°C.…
A heat exchanger with heat transfer surface area A and overall heat transfer…
The time constant of a thermocouple is
Thermal conductivity of wood depends on
The value of the wave length for maximum emissive power is given by
The heat transfer takes place according to
In a shell and tube heat exchanger, baffles are provided on the shell…
The most commonly used method for the design of duct size is the
Sensible heat factor is given by (where S.H. = Sensible heat, and L.H.…
According to Wien's law, the wavelength corresponding to maximum energy…
The amount of radiation mainly depends upon the
A steam pipe is to be lined with two layers of insulating materials of…
According to Dalton's law of partial pressures, (where pb = Barometric…
When heat is transferred from hot body to cold body, in a straight line,…
A perfect black body is one which
Also checkout
Decision Making MCQ
Pteridophyta MCQ
AP World History MCQ
Viruses MCQ
Advance DBMS MCQ
Nature and Scope of Biology MCQ
Computer Cryptography MCQ
Badminton MCQ
Planet Kingdom MCQ
French Language and Culture MCQ
Height and Distance MCQ
Man and Environment MCQ