MIDTERM EXAM EE-PC4112

The ratio of the average lumens delivered by a luminaire to a horizontal work plane to the lumens generated by the luminaire’s lamps alone.

• coefficient of utilization

• light loss factor

• luminaire depreciation factor

• cavity ratio

A type of motor starter that initially connects the two windings of each phase in series in a conventional wye arrangement.

• Solid-State Starters

• Wye-Delta Starters

• Autotransformer Starter

• Series-Parallel Starters

Used for transmitting large amounts of power over relatively short distances.

• Direct burial

• Cable tray

• Cable bus

• Conduit

What is the meaning of TCC in protection coordination?

• Through Current Chart

• Through Current Curve

• Time Current Characteristics

• Time Current Curve

A measurement of the ability of the circuit breaker to withstand short circuit current.

• KAIC rating

• ampere rating

• voltage rating

• short circuit rating

Are essential in commercial buildings to maintain water pressure in standpipes and sprinkler systems during fires?

• Medium-voltage controllers

• Fire pump controllers

• Induction motor starters

• Synchronous motor starters

Despite advancements, lighting still consumes ___ of commercial building energy.

• 10%

• 20%

• 30%

• 40%

It is desirable to provide illumination without annoyance or discomfort due to luminaire or window brightness.

• Veiling Reflections

• Visual Comfort

• Room Finishes

• Color

The preferable term for brightness.

• illuminance

• efficiency

• efficacy

• luminance

Electrical rooms and closets should ONLY contain the facilities necessary for the electrical installation’s operation and maintenance.

• TRUE

• FALSE

• C.

• D.