Correct answer
D. Zero at absolute zero temperature for a perfect crystalline substance
Explanation
The correct answer is Zero at absolute zero temperature for a perfect crystalline substance.
For a single component absorber, the operating line is straight only when plotted in term of ________ units?
The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m2. The flux, when the element temperature is increased to 1000°C for the same furnace temperature is________?
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenius law is used. What will be this ratio, if transition state theory is used with the same value of „E/R‟?
Which of the following is not a mechanical pressure sensing element?
Promoter is added to the catalyst to improve its________?
Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same________?