Question 1

In a warehouse, lights are mounted 4 meters above the floor. This provides an average light level of 150 lux. To increase the light level without installing more lights or higher Wattage lights, you lower the light fixtures with pendants so that the lights are located 3.25 meters above the floor. Calculate the new average light level on the floor.

Options :

A : 150 lux

B : 166 lux

C : 176 lux

D : 227 lux

E : 276 lux

Answer: C

Question 2

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.

Options :

A : $250,000

B : $556,945

C : $630,300

D : $756,113

Answer: B

Question 3

Which pump system listed below is most likely the best application for converting to variable-speed drive?

Options :

A : Pump system with parallel rotary lobe pumps in a rebar quenching application with a static head of 80m

B : Pump system with on-off control transferring liquid vertically from a low tank to a higher tank

C : Pump system with bypass control transferring liquid from an intake dam to a process in production

D : Pump system with throttle fully open circulating liquid in a closed loop cooling system

Answer: D

Question 4

Which of the following is NOT included in commissioning documentation?

Options :

A : Original facility and equipment design intent

B : As-built drawings

C : Financing payment structure reportsc

D : Equipment control sequence documentation

E : Equipment operations and maintenance manuals

Answer: C

Question 5

Calculate the monthly electric bill for a customer that used 400 kW and 75,000 kwh during one month. Use the following declining block structure for a monthly bill:SELECT THE CORRECT ANSWER

Options :

A : $3,280

B : $4, 580

C : $7,850

D : $9,660

E : $12,500

Answer: D

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