Paper 1 H - SAMPLE SET 1 Q10
10) Electricity is generated in a nuclear power station.
Fission is the process by which energy is released in the nuclear reactor.
10.1) Figure 14 shows the first part of the nuclear fission reaction.
Complete Figure 14 to show how the fission process starts a chain reaction. [3 marks]
Fission is the process by which energy is released in the nuclear reactor.
10.1) Figure 14 shows the first part of the nuclear fission reaction.
Complete Figure 14 to show how the fission process starts a chain reaction. [3 marks]
Figure 15 shows the inside of a nuclear reactor in a nuclear power station.
10.2) In a nuclear reactor a chain reaction occurs, which causes neutrons to be released.
The control rods absorb neutrons.
The control rods can be moved up and down.
Explain how the energy released by the chain reaction is affected by moving the control rods. [2 marks]
Figure 16 shows how the power output of the nuclear reactor would change if the control rods were removed.
The control rods absorb neutrons.
The control rods can be moved up and down.
Explain how the energy released by the chain reaction is affected by moving the control rods. [2 marks]
Figure 16 shows how the power output of the nuclear reactor would change if the control rods were removed.
10.3) Calculate the rate of increase of power output at 10 minutes. [2 marks]
Rate of increase of power output = _____________ MW / minute
(Total for Question 10 = 7 marks)