FREE CEM Test Energy Audits and Instrumentation Questions and Answers

Question 1

An energy auditor is conducting a preliminary assessment of a large industrial facility.
The primary goal is to identify low-cost and no-cost energy saving opportunities and to determine if a more detailed audit is warranted.
Which type of energy audit is most appropriate for this scenario?

Accepted Answer

ASHRAE Level 1 Audit

Answer

ASHRAE Level 2 Audit

Answer

ASHRAE Level 3 Audit

Answer

Investment-Grade Audit

Question 2

During an energy audit of a compressed air system, an auditor detects a distinct high-frequency hissing sound near a pipe fitting, but the area is too noisy for the leak to be heard by ear. Which instrument would be most effective for pinpointing the exact location of this leak?

Accepted Answer

Ultrasonic Leak Detector

Answer

Infrared Thermometer

Answer

Anemometer

Answer

Manometer

Question 3

A facility manager wants to proceed with a major HVAC system retrofit that involves significant capital investment. To secure financing, a highly detailed analysis with calibrated energy modeling, life-cycle cost analysis, and construction-grade cost estimates is required. Which of the following audits would provide the necessary level of detail?

Accepted Answer

An ASHRAE Level 3 Audit

Answer

A Preliminary Walk-Through

Answer

An ASHRAE Level 2 Audit

Answer

A Utility Bill Analysis

Question 4

An energy auditor is evaluating the efficiency of a natural gas-fired boiler. To determine the combustion efficiency, the auditor needs to analyze the composition of the flue gases. Which instrument is essential for this measurement?

Accepted Answer

Combustion Analyzer

Answer

Infrared Camera

Answer

Power Quality Analyzer

Answer

Pitot Tube

Question 5

To accurately measure the true power (kW) consumed by a three-phase motor, an energy auditor must measure which of the following sets of electrical parameters?

Accepted Answer

Voltage, Current, and Power Factor

Answer

Voltage and Current only

Answer

Voltage, Current, and Resistance

Answer

Apparent Power (kVA) and Reactive Power (kVAR) only

Question 6

Which of the following instruments is used to measure the quantity of light or illuminance level in a space, typically expressed in foot-candles or lux?

Accepted Answer

Light Meter

Answer

Psychrometer

Answer

Spectrometer

Answer

Tachometer

An energy auditor is conducting a preliminary assessment of a large industrial facility.The primary goal is to identify low-cost and no-cost energy saving opportunities and to determine if a more detailed audit is warranted.Which type of energy audit is most appropriate for this scenario?

An energy auditor is conducting a preliminary assessment of a large industrial facility.
The primary goal is to identify low-cost and no-cost energy saving opportunities and to determine if a more detailed audit is warranted.
Which type of energy audit is most appropriate for this scenario?