1. Energy Performance Indicators (EnPIs) are used to:
(A) Measure and track energy efficiency improvements
(B) Increase production rate only
(C) Estimate raw material cost
(D) Control maintenance operations
2. The main purpose of EnPIs is to:
(A) Quantify energy performance over time
(B) Replace manual energy auditing
(C) Eliminate energy cost analysis
(D) Increase system losses
3. An Energy Performance Indicator is typically expressed as:
(A) Energy consumption per unit of output
(B) Energy audit checklist
(C) Energy tariff schedule
(D) Voltage regulation percentage
4. In industry, EnPIs are generally measured in:
(A) kWh per ton of product
(B) Hours per day
(C) RPM per second
(D) Temperature per minute
5. The baseline energy performance refers to:
(A) Reference point for future energy comparison
(B) Maximum energy usage in a plant
(C) Random daily energy readings
(D) Power supply fluctuations
6. The relationship between energy input and useful output is represented by:
(A) Energy efficiency indicator
(B) Power factor
(C) Load factor
(D) Capacity factor
7. An improvement in EnPI value generally indicates:
(A) Better energy efficiency
(B) Increased energy wastage
(C) Higher production cost
(D) Reduced performance
8. EnPIs are selected based on:
(A) Key energy-consuming processes
(B) Employee availability
(C) Seasonal variations only
(D) Random selection
9. The most common EnPI in commercial buildings is:
(A) kWh per square meter per year
(B) MWh per liter
(C) W per degree Celsius
(D) RPM per minute
10. EnPIs are an essential part of:
(A) Energy Management System (EnMS)
(B) Cost accounting system
(C) Fire safety manual
(D) Procurement policy
11. In transport systems, a common EnPI is:
(A) Liters of fuel per 100 km
(B) kWh per ton of output
(C) Lux per square meter
(D) Joules per minute
12. Specific energy consumption (SEC) is an example of:
(A) Energy Performance Indicator
(B) Load analysis technique
(C) Tariff calculation
(D) Maintenance record
13. Lower specific energy consumption means:
(A) Higher energy efficiency
(B) Higher energy waste
(C) Poor system performance
(D) Overuse of resources
14. EnPIs help organizations to:
(A) Set measurable energy objectives and targets
(B) Increase fixed costs
(C) Ignore benchmarking
(D) Reduce equipment reliability
15. Benchmarking in energy management means:
(A) Comparing energy performance with best practices or standards
(B) Ignoring energy data
(C) Reducing output intentionally
(D) Avoiding system optimization
16. EnPIs must be:
(A) Measurable, relevant, and consistent
(B) Complicated and abstract
(C) Random and varying
(D) Unrelated to energy goals
17. The unit “kWh per m² per year” is mostly used for:
(A) Building energy performance
(B) Motor efficiency
(C) Boiler heat rate
(D) Transmission losses
18. EnPIs are essential for compliance with which ISO standard?
(A) ISO 50001
(B) ISO 9001
(C) ISO 45001
(D) ISO 14001
19. Energy performance monitoring frequency depends on:
(A) Type of process and energy usage pattern
(B) Fixed monthly schedule only
(C) Management turnover
(D) Random inspections
20. EnPI trends over time help in identifying:
(A) Efficiency improvements or degradation
(B) Equipment serial numbers
(C) Market share
(D) Workforce efficiency
21. The ratio of output to energy input is known as:
(A) Energy productivity
(B) Energy consumption rate
(C) Energy tariff ratio
(D) Load factor
22. EnPI normalization is performed to:
(A) Account for changes in influencing variables like production or climate
(B) Eliminate all measurements
(C) Avoid comparison
(D) Increase random data points
23. The term “energy intensity” typically refers to:
(A) Energy use per unit of GDP or production
(B) Maximum system voltage
(C) Illumination level in lux
(D) Motor speed in rpm
24. A decreasing energy intensity trend indicates:
(A) Improved energy efficiency
(B) Reduced system performance
(C) Higher wastage
(D) Increased losses
25. EnPIs can be classified into:
(A) Quantitative and qualitative indicators
(B) Static and mechanical
(C) Open and closed circuits
(D) Resistive and inductive
26. A manufacturing plant uses “kWh per unit produced” as EnPI. This reflects:
(A) Specific energy consumption
(B) Energy audit ratio
(C) System load factor
(D) Maintenance interval
27. EnPIs should be regularly reviewed to:
(A) Ensure alignment with energy objectives and process changes
(B) Maintain fixed data forever
(C) Avoid management review
(D) Prevent energy savings
28. A key feature of a good EnPI is that it:
(A) Shows a clear cause-effect relationship between actions and energy performance
(B) Ignores influencing factors
(C) Is based on random data
(D) Depends only on external factors
29. EnPIs are most useful when linked with:
(A) Continuous improvement programs
(B) Isolated project goals
(C) Irregular measurements
(D) Financial audits only
30. The ultimate objective of using EnPIs is to:
(A) Monitor, evaluate, and improve energy performance over time
(B) Increase capital expenditure
(C) Record energy bills only
(D) Replace human supervision entirely