When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by ___________________?

Related Mcqs:

Temperature of steam at around 540°C can be measured by ____________________?

A. thermometer B. radiatiouv pyrometer C. thermistor D. thermocouple E. thermopile...

Thermal diffusivity of a substance is ____________________?

A. proportional of thermal conductivity B. inversely proportional to k C. proportional to (k) D. inversely proportional to k2 E. none of the above...

A steam pipe is to be insulated by two insulating materials put over each other . For best results__________________?

A. better insulation should be put over pipe and better one over it B. inferior insulation should be put over pipe and better one over it C. both may be put in any order D. whether to put inferior OIL over pipe or the better one would depend on steam temperature E. unpredictable...

The unit of overall coefficient of heat transfer is___________________?

A. kcal/m2 B. kcal/hr °C C. kcal/m2 hr °C D. kacl/m hr °C E. kcal/m3 hr °C...

The thermal diffusivities for solids are generally__________________?

A. less than those for gases B. jess than those for liquids C. more than those for liquids and gases D. more or less same as for liquids and gases E. zerci...