
AC MACHINERY QA1
Quiz by Jon Francis
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20 questions
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- Q1a device which converts electrical energy to mechanical energy (or motion).MotorGeneratorTransformerAlternator10s
- Q2device which converts mechanical energy to electrical energy.GeneratorAlternatorTransformerMotor10s
- Q3Who developed the first ‘’real’’ electric motor?Michael FaradayThomas DavenportJoseph HenryRonald Diaz10s
- Q4Motors used where higher starting torque and fairly constant speed is requiredShuntPermanentSeriesCompound10s
- Q5Synchronous motors are generally more efficient than induction motors?TRUEMAYBEFALSENOT SURE10s
- Q6The product of the force and the radiusTorqueAngular VelocityPowerOmega10s
- Q7Mechanical Power Output equals to(TORQUE)(ANGULAR VELOCITY)(ANGULAR VELOCITY)/(TORQUE)(TORQUE)/(RADIUS)(TORQUE)(Radius)10s
- Q8The range of the speed regulation of permanent dc/ac motor is from?10% to 15%.20% to 30%.10% to 25%.5% to 10%.10s
- Q9the speed of an AC motor is controlled by?varying the voltagevarying the frequencyvarying the currentvarying the speed control10s
- Q10is a passive electrical device that transfers electrical energy between two or more circuits.GeneratorMotorTransformerAlternator10s
- Q11is the process by which a coil of wire magnetically induces a voltage into another coil located in close proximity to it.Force InductionElectromagnetic InductionRelay InductionMutual Induction10s
- Q12is a theoretical linear transformer that is lossless and perfectly coupled?Potential TransformerCurrent TransformerPower TransformerIdeal Transformer10s
- Q13These transformers are used to relay and protect instruments simultaneously.CurrentIdealInstrumentPotential10s
- Q14consist of several copper coil turns bundled together?WindingCoreBreatherConservator10s
- Q15City Meet 3rd Place AthleticArvie LegaspinaVan NavaJayvee GanabanJohn Morales10s