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BOMA: Motor Controls CORRECT QUESTIONS & ANSWERS(2024 LATEST UPDATE)CORRECT 100% $12.99
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BOMA: Motor Controls CORRECT QUESTIONS & ANSWERS(2024 LATEST UPDATE)CORRECT 100%
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  • BOMA - Instrumentation & Controls
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  • BOMA - Instrumentation & Controls

A 3600 RPM motor has: - ANSWER two poles If you throttled the discharge side of a centrifugal pump into closed the amps would: - ANSWER go up The common method of correcting power factor is: - ANSWER add a capacitor To convert AC to DC you would need: - ANSWER rectifier

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Document information

  • November 3, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • boma motor controls
  • boma motor controls correct questions answers2
  • a 3600 rpm motor has answer two poles
  • if you throttled the discharge side of a centrifug

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  • BOMA - Instrumentation & Controls
  • BOMA - Instrumentation & Controls

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BOMA: Motor Controls CORRECT QUESTIONS &
ANSWERS(2024 LATEST UPDATE)CORRECT 100%

A 3600 RPM motor has: - ANSWER two poles



If you throttled the discharge side of a centrifugal pump into closed the amps would: - ANSWER go up



The common method of correcting power factor is: - ANSWER add a capacitor



To convert AC to DC you would need: - ANSWER rectifier



*To convert DC to AC we would need: - ANSWER converter or inverter



The actual full load amps of a motor are found? - ANSWER nameplate of the motor



Three factors which must be considered when selecting a fuse or circuit breaker: - ANSWER amps, volts,
interrupting capacity



A fluorescent tube F40 has a diameter of: - ANSWER 1 1/2 inches



If the motor is drawing excessive amps you would expect to find it: - ANSWER run hot



On a plan "scale 1/8" = 1', then 2 1/2 inches in a ruler equals: - ANSWER 20 feet



The most practical type of switch used to control lights from two locations is a _____? - ANSWER 3 way
switch



Electrical Metallic Tubing (EMT) is sometimes called: - ANSWER thinwall

, The cross-sectional area of electrical wire is measured in: - ANSWER circular mils



The purpose of a bypass isolation switch: - ANSWER allows testing of the emergency generator (ATS)



The purpose of a UPS system is to: - ANSWER supply a regulated voltage with the frequency stability to
the critical load



Which of the following are not required on high-rise buildings: - ANSWER U.P.S. system



A "day tank" is used with: - ANSWER Emergency generator



A "jockey pump" is used with: - ANSWER fire sprinkler system



*Which is required in all computer rooms: - ANSWER Emergency electrical shutoff\Halon system



The capacitor is a device that: - ANSWER stores an electrical charge



*What would be the wattage of a D.C. circuit drawing a two amp load with a resistance of five hundred
ohms?: - ANSWER 2000 watts/1000 watts



The action of a diode is to: - ANSWER allow current flow only in one direction



*Two 50-ohm resistor's in parallel would have the same resistance value as one: - ANSWER 100-ohm
resistor/25-ohm resistor



A double pole switch is used when it is necessary to open both conductors of a circuit. - ANSWER True



Ohm is a unit of electrical resistance. - ANSWER True

, A series circuit is a circuit that has more than one path for current through the components. - ANSWER
False



A parallel circuit is a circuit in which the voltage across each branch is the same. - ANSWER True



The state of charge the battery is measured with: - ANSWER hydrometer



When charging a battery at a high rate, the rate must be reduced to the normal rate if the: - ANSWER
electrolyte temperature exceeds 100°F.



Storage batteries are rated for ampere-hour capacity and _____. - ANSWER voltage



*The resistance of a copper conductor is inversely proportional to the: - ANSWER current through the
conductor



If the light is to be controlled from three different locations, the following switches must be used: -
ANSWER two three-way and one four-way



A 3 way switch is similar to a _____? - ANSWER single pole, double throw switch



conduit fittings are use for: - ANSWER rigid metal conduit



*The maximum distance from a box that nonmetallic-sheathed cable should be stapled will not exceed: -
ANSWER 2 feet/1/2 feet



The size of the rigid metal conduit is determined by: - ANSWER inside diameter (ID)



Flat conductor cable may be used in: - ANSWER offices



Maximum number of bends allowed any conduit between pull boxes is: - ANSWER four 90 degree bends

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