Monday 29 October 2012

Control Systems Multiple Choice Questions and Answers Preparation for Competition exams pdf



1.    In an open loop control system
(a)    Output is independent of control input
(b)    Output is dependent on control input
(c)    Only system parameters have effect on the control output
(d)    None of the above
Ans: a

2.    For open control system which of the following statements is incorrect ?
(a)     Less expensive
(b)     Recalibration is not required for maintaining the required quality of the output
(c)    Construction is simple and maintenance easy
(d)    Errors are caused by disturbances
Ans: b

3.    A control system in which the control action is somehow dependent on the output is known as
(a)     Closed loop system
(b)     Semiclosed loop system
(c)     Open system
(d)     None of the above
Ans: a

4.    In closed loop control system, with positive value of feedback gain the overall gain of the system will
(a)    decrease   
(b)     increase
(c)     be unaffected    
(d)     any of the above
Ans: a

5.    Which of the following is an open loop control system ?
(a)     Field controlled D.C. motor
(b)    Ward leonard control
(c)    Metadyne   
(d)     Stroboscope
Ans: a

6.    Which of the following statements is not necessarily correct for open control system ?
(a)     Input command is the sole factor responsible for providing the control action
(b)     Presence of non-linearities causes malfunctioning
(c)    Less expensive
(d)    Generally free from problems of non-linearities
Ans: b

7.   In open loop system
(a)    the control action depends on the size of the system
(b)    the control action depends on system variables
(c)    the control action depends on the input signal
(d)    the control action is independent of the output
Ans: d

8    has tendency to oscillate.
(a)    Open loop system
(b)    Closed loop system
(c)    Both (a) and (b)
(d)    Neither (a) nor (b)
Ans: b

9.   A good control system has all the following features except
(a)     good stability   
(b)     slow response
(c)    good accuracy
(d)    sufficient power handling capacity
Ans: b

10.    A car is rtyining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
(a)     Clutch   
(b)     Eyes
(c)    Needle of the speedometer
(d)    Steering wheel
(e)    None of the above
Ans: c

Read More Control Systems Questions => Click Here

29 comments:

Unknown on 10 July 2013 at 01:28 said...

suprb...best for lect. 4 teaching the students..coz

Anonymous said...

awesu bohot mindblowing mcq

Anonymous said...

very nice

Anonymous said...

from what book did you get all these questions? can someone please answer me?

Anonymous said...

really very nice and practical questions

Anonymous said...

Thanks

Anonymous said...

very useful for exams

Anonymous said...

Weldone

Anonymous said...

thanks 4 providing this knowledge........

Anonymous said...

helped a lot thank u

saloni sethi said...

good collection

saloni sethi said...

good knowledgeable collection

Anonymous said...

few answers r wrong but useful

Anonymous said...

refereshing

Unknown on 21 May 2014 at 04:35 said...

very nice

Anonymous said...

nice...

Anonymous said...

first ans all the questions

Anonymous said...

good

L on 29 April 2015 at 04:19 said...

good

Anonymous said...

some answer are not mention take care, every bit is improtant.

Anonymous said...

Nice (Y)

Unknown on 29 April 2016 at 02:15 said...

nice please make more questions

Gohary on 16 May 2016 at 14:49 said...

Hi HI Gohary >> 3'a4aaaaa4
الجوهري البطيخه ناقل من هنا الإمتحان
عميتين أهلك

Anonymous said...

عندنا دكاترة بتحط إمتحانات من عندكوا .. ما شاء الله عليكم بجد
حد يمنشن الجوهري يا جماعه

Anonymous said...

الجوهري <3 <3

Arslan Ejaz on 16 August 2016 at 02:50 said...

plz tell me engro nts ans

Anonymous said...

Nice please make more questions

Unknown on 21 September 2016 at 00:12 said...

impressive

Unknown on 1 October 2016 at 02:21 said...

good
are these question are helpful for Civil Aviation Authority test for post of Assistant Director (Electrical)

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