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Hysteresis Motor Question & Answers

July 19, 2023 By Wat Electrical

This article lists 100 Hysteresis motor MCQs for engineering students. All the Hysteresis 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 Hysteresis motor.

A hysteresis based motor is synchronous type of motor, which operates with AC input supply. It works on hysteresis losses based principle with either single or three phase. The components of hysteresis motor includes rotor, shading coil, 1-phase stator winding, stator, and shaft.

There are 2 types of windings namely main, and auxiliary also called secondary winding. The rotor speed of sync motor is equal to motor speed. A stator operates with either single/three phase. The types of hysteresis based motor includes disk, axial, circumferential field,  and cylindrical based type hysteresis motor.

The advantages of hysteresis based motors includes zero mechanical vibrations, zero noise and enhances inertia loads. The disadvantages of hysteresis based motors includes minimum size, low torque and minimum output obtained.

The applications of hysteresis based motor includes electric clocks, record players and timing based devices.

1). A hysteresis based motor is ___ type of motor?

Hint
2). A synchronous based motor operates on _____ input supply?

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3). Which of the following parts of synchronous motor are sync with AC frequency parameter?

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4). Which of the following speed of sync motor are equal?

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5). Which of the following are the units of speed?

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6). A hysteresis based motor is designed with ___ type of magnetic substance?

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7). Which of the following are the examples of ferromagnetic substance?


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8). Which of the following are the properties of Ferro magnetic substances?

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9). Which of the following are the properties of magnetism?

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10). Which of the following is the formula for magnetic susceptibility?

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11). Which of the following are the components of hysteresis motor?

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12). How many windings does a hysteresis motor comprises of?

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13). Which of the following are the important components of Hysteresis motor?

Hint

Read more about Rotor Types

14). Which type of phase supply is provided to stator?

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Read more about stator

15). A rotor is made up of _____ material?

Hint
16). A rotor substance has ______ losses in higher percentage?

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Read more about Hysteresis losses

17). A hysteresis based motor connects with _____ type of motor?

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18). Hysteresis losses are ____ proportional to hysteresis loop?

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19). Which of the following are the materials used in rotor of hysteresis motor?

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20). Which of the following component does a rotor component of hysteresis motor do not carry?

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21). Over which of the following component a magnetic cylinder based portion of rotor is placed over?

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22). Which of the substance is used while mounting magnetic cylinder of rotor over shaft?

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23). Which of the following losses are minimized when rotor resistance is maximum?

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24). A hysteresis loop is also called as?

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25). A motor is a ___ type of device?

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Hysteresis Motor MCQ for Quiz 

26). In which form is the input is provided to an electric motor?

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27). The output from a motor is in ___ form?

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28). Which of the following are the classification of a electric based motor?

Hint

Read more about electric motor types

29). Which of the following are the class of DC motors?

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30). Which of the following are the class of AC motors?

Hint
31). Which of the following is the classification of synchronous based electric motors?

Hint

Read more about Asynchronous motor

32). Which of the following is the classification of Non-excited based motor?

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33). In which of the following environment does a hysteresis based motor is deployed?

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34). Which of the following are the applications of hysteresis based motor?

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35). On which principle does a hysteresis based motor operates?

Hint
36). In hysteresis based motor the magnetism and de-magnetism property depends on?

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37). Which of the following is the reason for torque generation in hysteresis based motor?

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38). Which of the following are the types of hysteresis based motor?

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39). Which of the following are the types of single phase type motor?

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40). Which of the following are the advantages of shaded pole based hysteresis motor?

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41). Which of the following are the disadvantages of shaded pole based hysteresis motor?

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42).Which of the following is the center part of hysteresis based rotor?

Hint
43). Which of the following substance is used while designing rotor of a hysteresis motor?

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44). Which of the following is advantage of a non-magnetic substance?

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45). A hysteresis based motor operates similar to?

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46). Eddy current is _____ when synchronization occurs in a hysteresis motor during starting condition?

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47). Which of the following is the equation of eddy current in Hysteresis motor?

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48). Which of the following field is generated when AC supply is input to this motor?

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49). Magnetic field in this motor is applied to ____ during starting condition?

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50). At the initial stages ______ ignites this motor?

Hint

Hysteresis Motor Questions for Interviews

51). Which is the final stage ______ of this motor after starting?

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52). Which of the following are the hysteresis motor working conditions?

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53). During which condition of this motor the stator deploys poles on rotor?

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54). A steady based state hysteresis motor occurs in _____ condition of motor?

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55). On induce of poles on rotor in this motor during steady state, the flux of rotor ____ with respect to flux of stator?

Hint
56). Which of the following is the angle notation between stator and rotor based magnetic fields?

Hint
57). ____ is observed between rotor and stator during steady state of a active hysteresis motor?

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58). Attraction of rotor and stator during steady state of a active hysteresis motor is called?

Hint
59). Which of the following are the units of torque?

Hint
60). Hysteresis based torque is _____ with respect to rotor speed?

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61). Which of the following are linear parameters with respect to hysteresis torque?

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62). Eddy current is also called?

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63). Eddy current is generated due to?

Hint
64). Eddy current are ____ position with respect to magnetic field when active?

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65). ____ is responsible for motors operation in synchronous/normal speed?

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66). Which of the following curve defines the efficiency of Hysteresis motor?

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67). Which of the following is the units of magnetic field?

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68). Magnetic field based strength is also named as?

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69). Which of the following is the equation for hysteresis based power loss?

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70). Which of the following are the application of eddy current?

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71). Which of the following are the advantages of eddy current?

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72). Which of the following are the disadvantages of eddy current?

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73). Which of the following is the equation of eddy current loss?

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74). A resistance to change in flow of current is called?

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75). Which of the following is the equation of self inductance?

Hint

Hysteresis Motor  MCQ for Exams

76). Which of the following is the equation for magnetic flux change?

Hint
77). Which of the following factors affects self-induction of coil?

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78). Which of the following are the application of self inductance?

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79). Which of the following is the formula for inductance of a coil?

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80). A induction motor comprises of _______ winding?

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81). A induction motor operates on ____ number of phases?

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82). Which of the following are the most common areas of applications of induction motor?

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83). Which of the following are the advantages of hysteresis based motors?

Hint
84). Which of the following is the disadvantages of hysteresis based motors?

Hint
85). Which of the following are the mostly used AC motors?

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86). A schrage based motor is ____ based commutator motor.?

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87). A schrage based motor characteristics is ____?

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88). A synchronous based reluctance motor is provided with _____ form of input energy?

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89). A synchronous based reluctance motor provides _____ form of output energy?

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90). A motor is ____ type of device?

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91). Which of the following is the input energy to an motor?

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92). Characteristics of a hysteresis based motor is explained via?

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93). Losses of a hysteresis based motor is explained via?

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94). In a torque-speed characteristics X-axis is?

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95). In a torque-speed characteristics Y-axis is?

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96). In BH curve, X-axis is?

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97). In BH curve, Y-axis is?

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98). Which of the following is the CGS unit of B?

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99). Which of the following is the SI unit of magnetic flux density?

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100). Which of the following is units of power factor?

Hint

For More MCQs

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