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Slip Ring Motor Question & Answers

February 27, 2023 By Wat Electrical

This article lists 75 Slip Ring Motor MCQs for engineering students. All the Slip Ring 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 Slip Ring Motor.

The induction motor with slip rings is used in high-power applications where high starting torque is required such as large pumps, compressors, fans, and so on. The slip rings are available in a variety of sizes and have high quality. 

The slip rings are reliable, cost-effective, easy to install, durable, has a short signal path, and are well suited to extreme environments. In phase wound induction motors or slip ring induction motors, we can easily add rotor resistance by using brushes and slip rings.  

The slip rings are used in robots, machine tools, capping machines, moving head projectors, video systems, CCTV systems, etc. The pancake slip rings have a low profile design, and a wide range of circuit options, and the main disadvantage is they have limited voltage and current capacity. 

In wireless slip rings no physical contact is required and has an unlimited number of rotations, limited bandwidth, and may be susceptible to interference. The fiber optic slip rigs are immune to electromagnetic interference, and it requires specialized equipment for termination. 

1). In which one of the following motors, the distributed winding is used?

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2). In which one of the following the insulation is less and the friction loss is high?

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3). Which one of the following motors used for lifts, cranes?

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4). What is the standard form of MCSA?

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5). The relative specific heat of hydrogen 30 PSIC (2.07 BAR) is __________________?

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6). The eddy and circulating current loss in winding come under ____________________ losses?

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7). The excitation, lubrication oil pumps are the losses in ________________ equipment?


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8). The losses in rotor, fans, and stator cooling vents are comes under _______________ losses?

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9). What is the standard form of LRR?

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10). Which one of the following motors is rarely used one?

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Read more about Slip Ring Induction Motor
11). The filed magnet on the stator is a mechanical structure of ________________ motors?

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12). The mechanical contact between commutators and brushes is a commutation method of ______________ motors?

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13). Which one of the following motors automatically detected by brushes?

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14). Which one of the following is a supporting type of machine element?

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15). Which one of the following motors is a continuous ring?

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16). Which one of the following is specially used to transmit the power?

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17). Which one of the following is a rotating element of a machine?

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18). The gear boxes, automobile are the examples for _________________ drive?

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19). Which one of the following drive suitable for short centre distance?

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20). In which one of the following motors the frequent maintenance is required?

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Slip Ring Motor MCQ for Quiz

21). Which one of the following rotors used to band DNA in caesium chloride?

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22). Which one of the following used for both analytical work and preparative work?

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23). The space require is less and life is long in ________________ drive?

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24). Which one of the following drives requires less space?

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25). Which one of the following is called optimistic method?

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26). Which one of the following is a power transmitting machine element?

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27). Which one of the following rotors preferred for rate zonal seperations?

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28). Which one of the following is also known as journal bearing?

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29). A set of cone pulleys give wide range of speed in _______________ drive?

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30). The starting torque is very high in __________________ motors?

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31). In which one of the following rotors the particles move short distance?

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32). Which one of the following is also known as collar bearing?

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33). The countershaft is an example of ________________ shaft?

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34). The cam shaft in automobile is an example of ______________ shaft?

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35). Which one of the following requires calculation of synchronous impedance?

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36). The appropriate relative heat removal ability of water is __________________?

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37). In which one of the following motors the maintenance is almost zero?

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38). What is the standard form of TDR?

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39). The electrical noise and system cost both are low in ______________ motor?

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40). The speed variation is easy in __________________ motors?

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Slip Ring Motor MCQ for Interviews

41). Which one of the following belts is used to transmit power over large distances?

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42). Which one of the following rotors held vertical parallel to rotor axis?

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43). The bronzinus turbine rotor is a type of rotor based in ____________________ configuration?

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44). Which one of the following rotors comes under hybrid configuration?

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45). In which one of the following the value of voltage regulation is lower compared to actual value?

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46). In which one of the following bearings the load carrying capacity is high?

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47). Which one of the following one can be used for high-speed reduction ratio?

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48). What is the standard form of GHT?

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49). The fixed angle rotors consist of metal with _______________ holes within their body?

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50). In which one of the following motors the rotor is connected to the slip rings?

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51). In which one of the following bearings the radial dimensions are more?

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52). The universal motors used to drive __________________ tools?

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53). Which one of the following drive designs is complicated?

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54). The lubrication is not required in _______________ type of drive?

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55). The rotor core and rotor winding are the parts of __________________?

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56). The high velocity ratio may not be obtained in __________________ drive?

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57). In which one of the following drive no slippage occurs?

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58). Which one of the following requires regular maintenance including lubrication?

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59). What are the advantages of an AC induction motor?

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60). In which one of the following motors, we can add extra resistance?

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Slip Ring Motor MCQ for Exams

61). Which one of the following comes under type of sunk key?

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62). Which one of the following used for large power transmission?

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63). The axial dimension is less in _____________ type of bearing?

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64). What are the advantages of an DC induction motor?

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65). In which one of the following the winding arrangement is easy?

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66). What is the standard form of VLRS?

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67). Which one of the following is a holding type of machine element?

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68). Which one of the following is a stationary element of a machine?

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69). Which one of the following are machine elements?

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70). Which one of the following motors used in AC devices?

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71). In which one of the following motors the starting current is low and starting torque is very high?

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72). In which one of the following motors the cost is high?

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73). The appropriate relative heat removal ability of hydrogen 45 PSIG (3.10 BAR) is __________________?

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74). Which one of the following motors used for drilling machines?

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75). Which one of the following is a rotating part of a motor?

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For More MCQs

  • Capacitor Start Capacitor Run Motor Question & Answers
  • Induction Motor Question & Answers
  • Reluctance Motor Question & Answers
  • Switched Reluctance Motor Question & Answers
  • DC Motor Question & Answers
  • Synchronous Motor Question & Answers
  • Single Phase Induction Motor Question & Answers
  • Poly Phase Induction Motor Question & Answers
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