Variables

Select Sample

Glycerin Fresh Water Mercury

Water Supply

Machine On

Enter Voltage(V) : 12

Value of Current (A) :

1

Simulator

Machine Output

Formula used :

Hot plate Teperature(T2) :

Cold plate Teperature(T1) :

Thickness of the sample(Δx) :

Radius of plate(r) :

Calculate

Enter Hot Temperature Value(°C) :

Enter Cold Temperature Value(°C) :

Enter Thickness of Sample:(mm)

Enter Radius of Plate(mm) :

Thermal conductivity (k) :

Thermal conductivity Machine (k) :

Quiz

1. Thermal conductivity is defined as the heat flow per unit time

a) When the temperature gradient is unity

b) Across the wall with no temperature

c) Through a unit thickness of the wall

d) Across unit area where temperature gradient is unity

2. Lowest thermal conductivity is shown by:

a) Fresh Water

b) Mercury

c) Glycerol

d) All sample has same thermal conductivity