Moisture would find its way into insulation by vapour pressure unless it is prevented by
READ MORE +Heat MCQs
Which of the following has maximum value of thermal conductivity?
READ MORE +
Thermal conductivity of glass-wool varies from sample to sample because of variation in
READ MORE +
Which of the following is expected to have highest thermal conductivity?
READ MORE +
Which of the following has least value of conductivity?
READ MORE +
In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by
READ MORE +
Heat flows from one body to other when they have
READ MORE +
The time constant of a thermocouple is
READ MORE +
Thermal conductivity of water at 20°C is of the order of
READ MORE +
Total heat is the heat required to
READ MORE +
Metals are good conductors of heat because
READ MORE +
Heat is closely related with
READ MORE +