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Systems and Control Technology SYST3 - AQA GCE Mark Scheme 2010 June series Q1 0 1 Suitable system for transfer of energy Clear diagram Main parts labelled 2 x 1 mark 2 x 2 marks 2 x 1 mark Descriptions of transfer:
Each point 1 mark with relevant reason 2 marks 02 Question 2 03 3x8 marks Feedback ensures that a operation is complete – feedback provides continual monitoring – process cannot continue until condition met Each point 1 mark with relevant reason 2 marks 4 marks Identification of suitable device E.g.
Systems and Control Technology – SYST3 – June 2011 Question 1 0 1 Suitable test for the property Appropriate size of sample for test rig Appropriate method of carrying out test Identification of data to collect Suitable / accurate method of collecting data Explanation of data analysis 2 marks 1 mark 2 marks 1 mark 1 mark 2 marks Max 7 mark Maximum for Question 4 x 7 marks Question 2 02 Medium carbon steel or Cast Iron or Wrought Iron - Wear resistant, Hardness, heat resistant, compressive strength, batch/mass produced, toughness to withstand impact, cast or forged etc.
(a) Marks for each candidate response must always be assigned in line with these general marking principles and the specific Marking Instructions for the relevant question.