Page 59 - SP015 Past Years PSPM Chapter 6 -14 Ver 2020

PSPM SP015

PSPM CHAPTER 12: HEAT CONDUCTION AND
THERMAL EXPANSION
___________________________________________________________________________

Conduction

PSPM 2017/2018 SF016/2 No. 8(a)(i)

1. Define heat. [1 m]

PSPM JUN 1999/2000 SF015/2 No. 6(a)

2. Define thermal conductivity. [1 m]

PSPM JAN 1999/2000 SF015/2 No. 13(c)(i)

3. State the factors that influence the thermal conductivity of a conductor. [1 m]

PSPM JAN 1999/2000 SF015/2 No. 13(c)(ii)

4. On the same axes, sketch the temperature versus length graph for an insulated
conductor and non-insulating conductor. [3 m]

PSPM 2017/2018 SF016/2 No. 8(a)(ii)

5.

27 C 100 C

FIGURE 12.1

FIGURE 12.1 shows a rod with both ends at different temperatures. The right half of
the rod is insulated while the left half is not insulated. Sketch the graph of temperature
against distance of the rod. [2 m]

59