ASSESSMENT ENERGY EFFICIENCY (THERMAL)

1. A reduction of start-up time will lead to?

• Failure to dispatch notification (FDI)
• Improved fuel variance
• Increase in Capacity Payment
• None of the above

2. Which of the following statement refer to Management Infrastructure?

• Mapping energy flow from end-to-end via theoretical limit analysis
• Identification of losses via comparison with plant design and state-of-the-art power plants
• Building awareness and capabilities from top and middle management down to shop floor
• Build full energy efficiency KPI methodology and targets, including efficiency targets broken down to key plant areas and leading KPIs for main efficiency levers

3. Innovative transformation approach requires all the item listed below, except?

• Technical system

• Financial understanding

• Management infrastructure

• Mindset and capabilities

4. Which of the below are the impacts of an increase in energy efficiency?

i. Increase net power output

ii. Increase in Capacity Payment

iii. Lower operational cost

iv. Reduce CO2 footprint

• i, iii and iv

• i and iii

• ii and iv

• All of the above

5. Enthalpy is a function of parameters listed below, except?

i. Pressure

ii. Temperature

iii. Volume

iv. Standard gravity

• i and iv

• iv

• i and ii

• ii, iii, iv

6. What is the objective of energy flow mapping?

i. To identify current performance along the production process

ii. To identify input energy, output energy and energy loss

iii. To identify the real root cause of a problem in the production process

iv. As a baseline assessment for potential plant improvement

• All of the above

• i, ii & iii

• iii and iv

• i,ii &iv

7. Which boiler efficiency method is mainly used for performance testing and online monitoring because it identifies individual loss components?

• Input-Output Method

• Direct Heat Method

• Heat Loss Method

8. What are the energy input(s) of a Waste Heat Boiler?

i. Exhaust gas

ii. Steam

iii. Flue gas

iv. Feedwater

• i and iv

• i and ii

• ii, iii, iv

• i, ii, iii

9. What are the methods of HRSG Performance Test as per Performance Test Code (PTC)?

i. Simplified Performance Test Method

ii. Input/Output Method

iii. Heat Loss Method

iv. Phased Method

• ii and iii

• i and iii

• ii and iv

• All of the above

10. When gas turbine is running at baseload, what happen if ambient temperature is increased?

• Heat rate decreased
• Heat rate increased
• Nothing happened
• Efficiency increased