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
Thermal conductivity of water _________ with rise in temperature.
A Remain same
B Decreases
C Increases
D May increase or decrease depending upon temperature
Thermal conductivity of air with rise in temperature
A Increases
B Decreases
C Remain constant
D May increase or decrease depending on temperature
Thermal conductivity of water in general with rise in temperature
A Increases
B Decreases
C Remain constant
D May increase or decrease depending on temperature
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
A Hyperbolic
B Parabolic
C Linear
D Logarithmic
__________ equation relates the thermal conductivity of a solid to its temperature.
A Antonie
B Kopp's
C Lee's
D Kistyakowski
Which of the metals has the maximum thermal conductivity?
A Iron
B Aluminium
C Silver
D Copper
Which of the following liquid metals has the highest thermal conductivity?
A Molten sodium
B Molten lead
C Mercury
D Molten potassium
A delivery car went from Candleford to Lark Rise and back at an average speed of23 miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?
A 13
B 34
C 12
D 23

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