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 - 4

  • Online Practice Test - EEE
   

1.
  Which of the following is called as a transparent latch?.
  • A.   J – K
  •  
  • B.   S – R
  •  
  • C.   D
  •  
  • D.   T
  Options: A    B    C    D   
   
 
   

2.
  For the OPAMP circuit shown in figure, the output will be :.
  • A.   – 2x
  •  
  • B.   - 60x
  •  
  • C.   – 12x
  •  
  • D.   – 5x
  Options: A    B    C    D   
   
   

3.
  Consider the following set of instructions:
STC
CMC
MOV A,B
RAL
MOV B,A
The above instructions .
  • A.   Double the number in Register B
  •  
  • B.   Divides the number in Register by 2
  •  
  • C.   Multiples B and A
  •  
  • D.   adds A and B
  Options: A    B    C    D   
   
 
   

4.
  In dc choppers, the waveforms for input and output voltages are:.
  • A.   Discontinuous, continuous
  •  
  • B.   both continuous
  •  
  • C.   both discontinuous
  •  
  • D.   continuous, discontinuous
  Options: A    B    C    D   
   
   

5.
  Out of a 10 bus system, if there is one slack bus and 4 number of PV buses are present, how many equations are formed in Newton Raphson method for Jacobian matrix computation?.
  • A.   10
  •  
  • B.   20
  •  
  • C.   14
  •  
  • D.   12
  Options: A    B    C    D   
   
 
   

6.
  The value of $$\int\limits_C {\left( { - {\rm{ }}2ydx{\rm{ }} + {\rm{ }}3ydy{\rm{ }} + {\rm{ }}10zdz} \right)} \;$$ where C is the circle $${(\;x{\rm{ }}-{\rm{ }}1)^2}{\rm{ }} + {\rm{ }}{\left( {y{\rm{ }}-{\rm{ }}3} \right)^{\rm{2}}}^\; = {\rm{ }}25,{\rm{ }}z{\rm{ }} = {\rm{ }}3,$$ using Stoke’s theorem is equal to : .
  • A.   $$75\pi $$
  •  
  • B.   $$25\pi $$
  •  
  • C.   $$175\pi $$
  •  
  • D.   $$125\pi $$
  Options: A    B    C    D   
   
   

7.
  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   
   
 
   

8.
  Applying Cauchy’s residue theorem, the value of $$\int\limits_c {{e^{{3 \over z}}}} dz$$ where C is |z| = 1 is equal to :.
  • A.   $$6\pi i$$
  •  
  • B.   $$\pi i$$
  •  
  • C.   $$4\pi $$
  •  
  • D.   $$6\pi $$
  Options: A    B    C    D   
   
   

9.
  In single pulse modulation of PWM inverters, third harmonic can be eliminated if pulse – width is equal to :.
  • A.   $${30^0}$$
  •  
  • B.   $${60^0}$$
  •  
  • C.   $${120^0}$$
  •  
  • D.   $${150^0}$$
  Options: A    B    C    D   
   
 
   

10.
  Overlap in a phase controlled converter under continuous conduction does not depend on :.
  • A.   Frequency
  •  
  • B.   Applied Voltage
  •  
  • C.   Load Current
  •  
  • D.   Load Inductance
  Options: A    B    C    D   
   

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