Related Questions

Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
A Decreases
B Increases
C Remains unchanged
D Increases exponentially
Which of the metals has the maximum thermal conductivity?
A Iron
B Aluminium
C Silver
D Copper
Thermal conductivity of solid metals with rise in temperature normally
A Increases
B Decreases
C Remain constant
D May increase or decrease depending on temperature
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
A $$\frac{1}{{\text{k}}}$$
B k
C k2
D $$\frac{1}{{{{\text{k}}^2}}}$$
Which of the following has the highest value of thermal conductivity?
A Water
B Steam
C Solid ice
D Melting ice
Which of the following has the highest thermal conductivity?
A Brick
B Air
C Water
D Silver
________ has the highest value of thermal conductivity.
A Copper
B Aluminium
C Brass
D Steel
Which of the following is expected to have highest thermal conductivity?
A Steam
B Solid ice
C Melting ice
D Water
The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is
A [

A.

B. 1

B > 1
C 2

Next steps