最新的AEE Certified Energy Manager (CEM) - CEM免費考試真題
問題1
What term describes the difference between the control signal value and the set point?
正確答案: B
問題2
What is the Energy Use index (EUl) for a 4,000 m2 building that uses the following amounts of energy each year?
正確答案: E
說明：（僅 VCESoft 成員可見）
問題3
For general indoor residential lighting applications, which light source can provide the most appropriate illumination with the highest efficacy?
正確答案: E
問題4
A piece of equipment costs $250,000 to buy and install. The annual operating cost for the equipment is
$50,000 per year. The equipment will last 15 years. After 15 years, the equipment will have no net salvage value. The annual interest rate is 10%. What is the present value of the life-cycle cost to own and operate the equipment? Use end-of-year annual cash flow analysis.
$50,000 per year. The equipment will last 15 years. After 15 years, the equipment will have no net salvage value. The annual interest rate is 10%. What is the present value of the life-cycle cost to own and operate the equipment? Use end-of-year annual cash flow analysis.
正確答案: B
問題5
Which of the following controls can optimize the operation of lighting systems?
正確答案: E
問題6
Which type of single-phase alternating-current motor has the highest efficiency?
正確答案: A
問題7
A facility has a monthly peak power demand of 1,000 kW and an average power factor of 80%. The facility pays a demand charge of $7.50/kVA-month. What is the additional cost per month because the power factor is less than 100%?
正確答案: C
說明：（僅 VCESoft 成員可見）
問題8
A 50-Hz alternating current (AC) induction motor has 3 pole pairs (6 poles). What is the synchronous speed of the motor?
正確答案: C
問題9
What is the main reason for using instrumentation in energy audits?
正確答案: C
說明：（僅 VCESoft 成員可見）
