최신AEE Certified Energy Manager (CEM) - CEM무료샘플문제
문제1
A desk lamp is located inside a windowless office. The office is heated during the winter and cooled during the summer. When the lamp is switched on, how much of the energy consumed by the lamp becomes heat in the office space?
A desk lamp is located inside a windowless office. The office is heated during the winter and cooled during the summer. When the lamp is switched on, how much of the energy consumed by the lamp becomes heat in the office space?
정답: C
설명: (ITDumpsKR 회원만 볼 수 있음)
문제2
If installed without ancillary equipment, photovoltaic power cells generate what type of power?
If installed without ancillary equipment, photovoltaic power cells generate what type of power?
정답: C
문제3
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.
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.
정답: D
문제4
Which of the following is a closed-loop controller?
Which of the following is a closed-loop controller?
정답: A
문제5
Which of the following is NOT a renewable-energy resource?
SELECT THE CORRECT ANSWER
Which of the following is NOT a renewable-energy resource?
SELECT THE CORRECT ANSWER
정답: C
설명: (ITDumpsKR 회원만 볼 수 있음)
문제6
In an ammonia-water absorption chiller, what material is the refrigerant?
In an ammonia-water absorption chiller, what material is the refrigerant?
정답: A
문제7
What is the definition of lamp life for a fluorescent lamp?
What is the definition of lamp life for a fluorescent lamp?
정답: D
문제8
A new lighting system costs $60,000. The new lighting system has a 15-year life and the minimum required rate of return (MARR) is 15%. How much must the new lighting system save to be life-cycle cost effective?
A new lighting system costs $60,000. The new lighting system has a 15-year life and the minimum required rate of return (MARR) is 15%. How much must the new lighting system save to be life-cycle cost effective?
정답: E
문제9
Which of the following is a closed-loop controller?
Which of the following is a closed-loop controller?
정답: A
문제10
Which of the advantages listed below, makes an ice TES system more preferred over a water TES system, when a load shifting strategy is considered?
Which of the advantages listed below, makes an ice TES system more preferred over a water TES system, when a load shifting strategy is considered?
정답: B
설명: (ITDumpsKR 회원만 볼 수 있음)