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Capacitor Start Capacitor Run Motor Question & Answers

February 21, 2023 By Wat Electrical

This article lists 50  Capacitor Start Capacitor Run Motor MCQs for engineering students. All the Capacitor Start Capacitor Run Motor Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of Capacitor Start Capacitor Run Motor.

Capacitor-type motors are classified into two types namely, start-type capacitor motors and run-type capacitor motors or dual run-type capacitor motors. A start-type capacitor motor raises the motor's starting torque and operates in on-off conditions at 75 % speed.

Whereas a run-type capacitor motor energizes the auxiliary-type winding to generate a dynamic magnetic-based field during the operation of the motor. A combination of start and run type motor is a capacitor start run motor (CSCR) or two-value capacitor.

The components of the Capacitor Start Capacitor Run Motor include a stator, and cage rotor, with 2 windings. XA=1/2PifCA is the capacitance reactance-based formula of a starting winding. Where 'f is the frequency, Xa is the winding reactance, and C is the capacitance.

The advantages of the Capacitor Start Capacitor Run Motor include greater efficiency, higher pull-out, and greater inertia. The disadvantages of induction-type motors include low position, speed, and starting torque. The applications of Capacitor Start Capacitor Run Motor include air compressions and refrigeration.

1). Which of the following are the components of Capacitor Start Capacitor Run Motor?

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2). Which of the following are the types of stator windings in Capacitor Start Capacitor Run Motor?

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3). At what angles does the windings in Capacitor Start Capacitor Run Motor are placed?

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4). How many capacitors does a Capacitor Start Capacitor Run Motor has?

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5). A Capacitor Start Capacitor Run Motor is also called?

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6). Which of the following is the capacitance reactance based formula of a starting winding?

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7). At ___ speed does this motor disconnects the starting capacitor?


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8). Which of the following are the properties of long run capacitor?

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9). Which of the following are the advantages of Capacitor Start Capacitor Run Motor?

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10). Which of the following are the applications of Capacitor Start Capacitor Run Motor?

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11). Which of the following is the phase of Capacitor Start Capacitor Run Motor?

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12). Which of the following are the components of stator?

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13). Which of the following are the types of rotor?

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14). ____ excites rotor winding?

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15). A field type winding in a rotor induces constant ____ field in its core?

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16). Which of the following is the synchronous speed of CSCR induction type motor?

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17). A CSCR induction type motor has ____ better property?

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18). Which of the following are the components of AC type motor?

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19). Which of the following is the technique for handling the speed of AC type motor?

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20). Which of the following techniques are used for AC frequency type motor to adjust its AC frequency?

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Capacitor Start Capacitor Run Motor MCQs for Exams

21). Which of the following are AC type motors?

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22). Which of the following is the input energy of synchronous type motor?

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Read more about Induction Motors.
23). A synchronous type motor is a ___ type of motor?

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24). Induction type motor is also called?

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Read more about Asynchronous Type Motor
25). A Induction type uses ___ phases?

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26). Which of the following are the advantages of induction type motor?

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27). Which of the following are the disadvantages of induction type motor?

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28). Which of the following are the problems raised in AC type motor?

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Read more about eddy current.
29). Which of the following are the applications of AC type motor?

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30). Which of the following is the steps for choosing a AC type motor?

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31). Which of the following are the types of capacitor type motor?

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32). Which of the following is the power ratings of a start type capacitor?

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33). Which of the following is the voltage classification of a start capacitor type motor?

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34). Which of the following are the components of start type capacitor motor?

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35). An LC type circuit is also called?

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36). Which of the following is the function of LC circuit?

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37). Which of the following are the applications of LC circuits?

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38). In which of the frequency term does a LC circuit defines the frequency variable?

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39). Which of the following is the resonant frequency of LC circuit?

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40). Which of the following are the units of inductor?

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Read more about Inductor Types .

Capacitor Start Capacitor Run Motor MCQs for Students

41). Which of the following are the units of capacitor?

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42). Which of the following are the units of angular frequency?

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43). Which of the following is the frequency formula?

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44). Which of the following is the capacitor range of run type motor?

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45). Which of the following is the application of dual run type capacitor?

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46). Which of the following are the terminals of dual run type capacitors?

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47). Which of the following is the shape of dual run type capacitor?

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48).Which of the following type of capacitor improves AC compressors, fan’s operation in a motor along with compressor?

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49). Which of the following are the protection levels of capacitor run circuits?

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50). A motor type capacitor is ___ type of capacitor?

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For More MCQs 

  • Synchronous motor MCQs
  • Reluctance motor MCQs
  • Inductance motor MCQs
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