Question 4 (10 marks) (a) What are the FOUR verification principles? Give one example for each of the principles. [4 marks] (b) There are a total of FOUR types of verification testing. Determine the type of verification testing that is used in the cases shown in Table Q4. [6 marks] Table Q4 Cases in verification process Types of verification testing (1) Checking with Financial Unit to trace invoice from town gas suppliers to confirm the quantity purchased (i) Go over the Excel tables to ensure total amount of Refrigerants were summed up correctly (iii) Checking calibration of a flow meter by acquiring evidence of written confirmation (iv) Investigating the water charge bills to ensure the amount of wastewater discharged Case (v) Studying the diagram of electricity distribution from switchboard to confirm all meters are counted for the GHG emissions (vi) Calculating the results of CO2, CH4 and N O emissions from boilers Question 4 (10 marks) (a) What are the FOUR verification principles? Give one example for each of the principles. [4 marks] (b) There are a total of FOUR types of verification testing. Determine the type of verification testing that is used in the cases shown in Table Q4. [6 marks] Table Q4 Cases in verification process Types of verification testing (1) Checking with Financial Unit to trace invoice from town gas suppliers to confirm the quantity purchased (i) Go over the Excel tables to ensure total amount of Refrigerants were summed up correctly (iii) Checking calibration of a flow meter by acquiring evidence of written confirmation (iv) Investigating the water charge bills to ensure the amount of wastewater discharged Case (v) Studying the diagram of electricity distribution from switchboard to confirm all meters are counted for the GHG emissions (vi) Calculating the results of CO2, CH4 and N O emissions from boilers