Exactprep CEM Questions

Certified Energy Manager (CEM) Questions and Answers

Question 37

How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)

Options:

420 kJ

510 kJ

630 kJ

840 kJ

Question 38

Which of the following is NOT a typical benefit of performance contracting from the building owner's perspective?

Options:

Performance contracting is a simple and quick process

Net cash flow can be neutral or positive for the owner

The energy-service company can have a financial incentive to achieve projected savings

Maintenance services provided by the performance contractor can add value to the overall savings achieved

Performance contracting can provide access to external financing when the owner may not have sufficient equity for in-house financing for large projects

Question 39

Which of the following instruments is most useful for tracking long-term boiler performance?

Options:

The pressure gauge

The exhaust stack temperature sensor

The boiler room ambient temperature sensor

The drum water level gauge

The feedwater temperature sensor

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Certified Energy Manager (CEM) Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce