Question 1

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 2

Insulation has a thermal conductivity of 0.04 Watt/(m-°C). What is the R-value for this insulation when it is 5- cm thick?

Options :

A : 0.8 (m²-°C)/Watt

B : 1.25 (m²-°C)/Watt

C : 2.20 Watt/m²

D : 20 Watt/(m²-°C)

E : 20 (m²-°C)/Watt

Answer: B

Question 3

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 4

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 5

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?

Options :

A : $10,260/year

B : $12,556/year

C : $15,650/year

D : $27,090/year

E : $33,200/year

Answer: B

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