Header Ads

Electrical Engineer Test Question (Online Quiz For Freshsers Experienced)


Electrical Engineer Test Question

Electrical Engineer Test Question: Electrical engineer job is very pleasant and demanding in industry, so here on this page we are providing Electrical Engineer Test Question and answers, which is really beneficial for candidate. Freshsers as well as Experienced Aspirants can go through the Electrical Engineer Online Quiz provided here and test their knowledge and skill.

Electrical Engineer Test Question
It is an identifiable occupation and candidates can find a good job designed of solution and technical research queries. Electrical engineer generally deals to solve the electricity problems. Electrical engineer salary is very high in industry as well as it depend on candidate branches.

Here on this page of privatejobshub.in candidate’s can find electrical engineering solved questions paper best collection. Candidates can to do the practice for electrical engineering exam through given below solved questions.

Online Quiz For Electrical Engineer Exam

1.If the speed of a DC machine is doubled and the flux remains constant, the generated e.m.f
  • Remains the same  
  • Is doubled  
  • Is halved  
  • None of the above  

  • 2. If the flux per pole of a shunt-wound DC generator is increased, and all other variables are kept the same, the speed
  • Decreases  
  • Stays the same  
  • Increases  
  • None of the above  

  • 3. If the flux per pole of a shunt-wound DC generator is halved, the generated e.m.f. at constant speed
  • Is doubled  
  • Remains the same  
  • Is halved  
  • None of the above  

  • 4. In a series-wound generator running at constant speed, as the load current increases, the terminal voltage
  • None of the above  
  • Decreases  
  • Stays the same  
  • Increases  

  • 5. Which of the following statements is false for a series-wound DC motor?
  • The speed decreases with increase of resistance in the armature circuit  
  • The speed increases as the flux decreases  
  • The speed can be controlled by a shunt field regulator  
  • The speed can be controlled by a diverter  

  • 6. The armature resistance of a DC motor is 0.5 , the supply voltage is 200V and the back e.m.f. is 196V at full speed. The armature current is:
  • 8A  
  • 4A  
  • 400A  
  • 392A  

  • 7. In DC generators iron losses are made up of:
  • Hysteresis and friction losses  
  • Hysteresis, eddy current and brush contact losses  
  • Hysteresis and eddy current losses  
  • Hysteresis, eddy current and copper losses  

  • 8. . The effect of inserting a resistance in series with the field winding of a shunt motor is to:
  • Increase the magnetic field  
  • Increase the speed of the motor  
  • Decrease the armature current  
  • Reduce the speed of the motor  

  • 9. A 4-pole three-phase induction motor has a synchronous speed of 25 rev/s. The frequency of the supply to the stator is:
  • 12.5 Hz  
  • 100 Hz  
  • 25 Hz  
  • 50 Hz  

  • 10. The slip speed of an induction motor may be defined as the:
  • Synchronous speed - rotor speed  
  • Rotor speed - synchronous speed  
  • Rotor speed + synchronous speed  
  • Increase the magnetic field  

  • 11. The two windings of a transformer is -
  • Conductively linked  
  • Not linked at all  
  • inductively linked  
  • electrically linked  

  • 12. The frequency of the rotor current in a 3 phase 50 Hz, 4 pole induction motor at full load speed is about -
  • 2 Hz  
  • 20 Hz  
  • 50 Hz  
  • Zero  

  • 13. The power factor of a squirrel cage induction motor is -
  • Low at heavy load only  
  • Low at light load only  
  • Low at light and heavy load both  
  • Low at rated load only  

  • 14. The generation voltage is usually -
  • Between 132 KV and 400 KV  
  • Between 400 KV and 700 KV  
  • None of the above  
  • Between 11 KV and 33 KV  

  • 15. The primary winding of a 220/6 V, 50 Hz transformer is energized from 110 V, 60 Hz supply. The secondary output voltage will be -
  • 3.0 V  
  • 2.5 V  
  • 3.6 V  
  • 6.0 V  

  • 16.The current from the stator of an alternator is taken out to the external load circuit through -
  • Commutator segments  
  • Slip rings  
  • Solid connections  
  • Carbon brushes  

  • 17. A Minterm of the Boolean-function, f(x, y, x) is
  • x' + y + z  
  • x y z'  
  • x z  
  • (y +z) x  

  • 18. A stepper motor is –
  • A single-phase ac motor  
  • A multi-phase motor  
  • A dc motor  
  • A two phase motor  

  • 19. A 1:5 step-up transformer has 120V across the primary and 600 ohms resistance across the secondary. Assuming 100% efficiency, the primary current equals -
  • 0.2Amp  
  • 5 Amps  
  • 10 Amps  
  • 20 Amps  

  • 20. Slip of the induction machine is 0.02 and the stator supply frequency is 50 Hz. What will be the frequency of the rotor induced emf?
  • 50 Hz  
  • 10 Hz  
  • 1 Hz  
  • 2500 Hz  

  • 1 comment:

    Don't Add Comment with Spam Purpose

    Powered by Blogger.