TRB exam online practice test for Electrical and Electronics Engineering dept provides you with ample practice material for TRB exam preparation for cse department which adheres to the real exam format. Each TRB - EEE exam practice test has 10 questions. After completing click on to the COMPLETE TEST to know the score and the correct answers.


Electrical and Electronics Engineering - TRB Online Practice Test - 3

  • Online Practice Test - EEE
   

1.
  In an induction type of meter, maximum torque is produced when phase angle between two fluxes is .
  • A.   $${0^ \circ }$$
  •  
  • B.   $${45^ \circ }$$
  •  
  • C.   $${60^ \circ }$$
  •  
  • D.   $${90^ \circ }$$
  Options: A    B    C    D   
   
 
   

2.
  A window detector circuit detects when:.
  • A.   Input is not changing
  •  
  • B.   Input is changing fast
  •  
  • C.   The amount of light exceeds a certain value
  •  
  • D.   The input is between two specified limits
  Options: A    B    C    D   
   
   

3.
  Which among the following filter gives maximum flat pass bond?.
  • A.   Butter worth
  •  
  • B.   Chebyshev type 1
  •  
  • C.   Chebyshev type II
  •  
  • D.   Elliptic
  Options: A    B    C    D   
   
 
   

4.
  The maximum frequency for MOD 16 ripple counter with a flip – flop delay of 50 ns and gate delay of 20 ns is:.
  • A.   5 MHz
  •  
  • B.   2 MHz
  •  
  • C.   3.6 MHz
  •  
  • D.   14.3 MHz
  Options: A    B    C    D   
   
   

5.
  The maximum value of torque angle ? in a synchronous motor is __________ degree electrical. The maximum value of torque angle ? in a synchronous motor is __________ degree electrical..
  • A.   45
  •  
  • B.   90
  •  
  • C.   between 45 and 90
  •  
  • D.   below 60
  Options: A    B    C    D   
   
 
   

6.
  The reactance of the transmission line can be decreased by :.
  • A.   Reducing conductor diameter
  •  
  • B.   Reducing conductor spacing
  •  
  • C.   Avoiding bundled conductors.
  •  
  • D.   Operating in Ferranti effect mode
  Options: A    B    C    D   
   
   

7.
  The characteristic of a Electromagnetic over current relay that closely matches with that of fuses/MCB is that of :.
  • A.   Definite – time relay
  •  
  • B.   I.D.M.T. relay
  •  
  • C.   Very inverse time relay
  •  
  • D.   extremely inverse time relay
  Options: A    B    C    D   
   
 
   

8.
  The chances of interruption in subsequent current zeros.
  • A.   Increase in case of Airblast CB but decreases in Oil C.B
  •  
  • B.   Decreases in case of Airblast CB but increases in Oil C.B
  •  
  • C.   Decreases in both C.B.s.
  •  
  • D.   Increases in both C.B.s.
  Options: A    B    C    D   
   
   

9.
  The critical clearing time of a fault in power systems is related to:.
  • A.   Reactive power limit
  •  
  • B.   short circuit limit
  •  
  • C.   steady state stability limit
  •  
  • D.   transient state stability limit
  Options: A    B    C    D   
   
 
   

10.
  Hysteresis loop of a magnetic material has an area of 5 cm2 with scales given as 1 cm = 3 AT and 1 cm = 65 mwb. At 60 Hz, the total hysteresis loss is : .
  • A.   58.5 W
  •  
  • B.   19.5 W
  •  
  • C.   9.75 W
  •  
  • D.   11.7 W
  Options: A    B    C    D   
   

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