Q.1
Calculate the specific heat capacity of a material whose mass is 1 kg which required 300 J of energy in order to be heated from 1 C to 5 C.
  • 25 J kg-1 oC-1
  • 50 J kg-1 oC-1
  • 75 J kg-1 oC-1
  • 100 J kg-1 oC-1
Q.2
If a wall has a high U-value, will it allow more or less heat to flow through it than a wall with a low U-value?
  • The same
  • Less
  • More
  • Impossible to tell
Q.3
What is specific heat capacity?
  • The amount of energy required to change the temperature of 10 g of a substance by 1oC
  • The amount of energy required to change the temperature of 1 g of a substance by 1oC
  • The amount of energy required to change the temperature of 1 g of a substance by 1 K
  • The amount of energy required to change the temperature of 1 kg of a substance by 1oC
Q.4
A solar panel that contains water which is heated by radiation from the sun can be used for what purposes?
  • Heat building
  • Heat domestic water supply
  • The heat cannot be transferred
  • Heat both building and domestic water supply
Q.5
How much energy is required to heat a block of material of mass 4 kg by 10 C whose specific heat capacity is 800 J kg   C ?
  • 3,200 J
  • 32,000 J
  • 16,000 J
  • 1,600 J
Q.6
What do U-Values measure?
  • How effective a material is as a conductor of heat
  • How effective a material is as an insulator
  • How effective a material is at conducting electricity
  • How effective a material is as at absorbing carbon dioxide
Q.7
What was the change in temperature of a material with a specific heat capacity of 1,000 J kg   C , a mass of 2 kg which absorbed 500 joules of energy?
  • 0.25oC
  • 0.5oC
  • 1oC
  • 2.5oC
Q.8
Which of the following formulas is used to calculate specific heat capacity?
  • E = m x c x Θ
  • E = (m x c)⁄Θ
  • E = m x Θ
  • E = c x Θ
Q.9
If a material is a good insulator, what size U-Value will it have?
  • Small
  • Large
  • Neither large nor small
  • A negative value
Q.10
What are the units of specific heat capacity?
  • J kg oC
  • Kg⁄JoC
  • J kgs⁄oC
  • J kg-1 oC-1
0 h : 0 m : 1 s