BSNL TTA (JE) CONTROL SYSTEM 200 EXPECTED QUESTIONS

NOTE- NO OF QUESTIONS 118
ANSWER KEY-Correct answer is indicated by symbol (V) in options.
HINTS-In some questions options E-HINTS is indicating the hints of answer

SAMPLE QUESTIONS AND ANSWER
1) Lowest critical frequency is due to pole and it may be present origin or nearer to origin,
then it is which type of network?
A [ ]) LC
B [ ]) RL
C [v]) RC
D [ ]) Any of the above
2) Lowest critical frequency is due to zero and it may be present origin or nearer to origin,
then it is which type of network?
A [ ]) LC network
B [ ]) RC network
C [ ]) RLC network
D [v]) RL network
3) Poles and zeros are arranged alternatively on negative real axis, then type of network
is/are
A [ ]) LC network
B [ ]) RC network
C [ ]) RL network
D [v]) Both A and B
4) A box which tell the effect of inputs on control sub system is known as
A [ ]) Data Box
B [ ]) Logical box
C [v]) Decision box
D [ ]) State box
5) Which system is also known as automatic control system?
A [ ]) open loop control system
B [v]) closed loop control system
C [ ]) either A or B
D [ ]) nether A nor B
6) Advantages of open loop system is/are?
A [ ]) simple and economical
B [ ]) accurate
C [ ]) reliable
D [v]) all of the above
7) Which of the following are the disadvantages of a closed loop control system?
A [ ]) reduces the overall gain
B [ ]) complex and costly
C [ ]) oscillatory response
D [v]) all of the above
8) The output of the system has an effect upon the input quantity, then the system is a
A [ ]) open loop control system
B [v]) closed loop control system
C [ ]) either A or B
D [ ]) none of the above
9) By using which of the following elements, mechanical translational systems are
obtained?
A [ ]) mass element
B [ ]) spring element
C [ ]) dash-pot
D [v]) all of the above
10) Force balancing equation of a mass elements is ( where x = displacement)
A [v]) M d²x/dt²
B [ ]) M dx/dt
C [ ]) M *x
D [ ]) any of the above
TO DOWNLOAD FULL PDF CLICK HERE 
BSNL TTA (JE) INSTRUMENTS AND MEASUREMENTS 200 EXPECTED QUESTIONS
NEW JOB NOTIFICATION-DMRC POST-3428,AM,JE,SC/TO,CRA,MAINTAINER

Leave a Reply