Media Summary: A 10000 sq ft building consumed 5000 therms of natural gas and 60000 kWh of electricity in one year. What is the Energy Use ... An energy project saves $15000 per year for 10 years. The MARR is 10%. What is the Present Value (PV) of the savings stream? A facility has a monthly peak demand of 600 kW and monthly energy use of 216000 kWh. What is the facility load factor? (Assume ...
Cem Exam Question 13 Calculate - Detailed Analysis & Overview
A 10000 sq ft building consumed 5000 therms of natural gas and 60000 kWh of electricity in one year. What is the Energy Use ... An energy project saves $15000 per year for 10 years. The MARR is 10%. What is the Present Value (PV) of the savings stream? A facility has a monthly peak demand of 600 kW and monthly energy use of 216000 kWh. What is the facility load factor? (Assume ... A VFD reduces a centrifugal pump speed from 1800 RPM to 1440 RPM (80% of original). By the Affinity Laws, power consumption ... A 50 HP motor runs 6000 hr/yr at 75% load with 91% efficiency. Electricity = $0.08/kWh. What is the annual energy cost? A centrifugal pump impeller diameter is reduced from 12 in to 10 in (to 83.3% of original). By the Affinity Laws, how does flow rate ...
A chiller with COP = 5.0 operates at full capacity of 300 tons. What is the electrical power input in kW? A. 60 kW B. 211 kW C. 300 ... A system has 40 fixtures, each with two 32-watt T8 lamps and a ballast factor of 0.88. Operating 3000 hr/yr, what is the annual ... Adding R-11 insulation to a wall that already has R-4 raises total resistance to R-15. By what percentage does this reduce heat ... A project saves $10000 in Year 1, escalating at 3%/year for 15 years. Discount rate = 8%. Using the Escalating Payment Present ... An energy conservation measure (ECM) costs $50000 and saves $8000 per year. What is the Simple Payback Period (SPP)? A monthly electric bill shows: Customer charge $200; Demand charge $8500 (850 kW x $10/kW); Energy charge $27000 (450000 ...
