Deck 4: Pneumatic Control Systems and Control Elements

Full screen (f)
exit full mode
Question
In pneumatic control systems the control valve used as final control element converts

A)pressure signal to electric signal
B)pressure signal to position change
C)electric signal to pressure signal
D)position change to pressure signal
Use Space or
up arrow
down arrow
to flip the card.
Question
Pressure error can be measured by which of the following ?

A)differential bellows and straingauge
B)selsyn
C)strain gauge
D)strain gauge and potentiometer
Question
Which of the following devices is used for conversion of co-ordinates ?

A)microsyn
B)selsyn
C)synchro-resolver
D)synchro-transformer
Question
The effect of error damping is to

A)provide larger settling lime
B)delay the response
C)reduce steady state error
D)any of the above
Question
technique gives quick transient and stability response

A)root locus
B)bode
C)nyquist
D)nichols
Question
A phase lag lead network introduces in the output

A)lag at all frequencies
B)lag at high frequencies and lead at low frequencies
C)lag at low frequencies and lead at high frequencies
D)none of the above
Question
Which of the following is the non-linearity caused by servomotor ?

A)static friction
B)backlash
C)saturation
D)none of the above
Question
can be extended to systems which are time-varying ?

A)bode-nyquist stability methods
B)transfer functions
C)root locus design
D)state model representatives
Question
When the initial conditions of a system are specified to be zero it implies that the system is

A)at rest without any energy stored in it
B)working normally with reference input
C)working normally with zero reference input
D)at rest but stores energy
Question
Which of the following is an electromagnetically device ?

A)induction relay
B)thermocouple
C)lvdt
D)any of the above
Question
A differentiator is usually not a part of a control system because it

A)reduces damping
B)reduces the gain margin
C)increases input noise
D)increases error
Question
If the gain of the critical damped system is increased it will behave as

A)oscillatory
B)critically damped
C)overdamped
D)underdamped
Question
In a control system integral error compensation _______ steady state error

A)increases
B)minimizes
C)does not have any effect on
D)any of the above
Question
An amplidyne can give which of the following characteristics ?

A)constant current
B)constant voltage
C)constant current as well as constant voltage
D)constant current, constant voltage and constant power
Question
Which of the following can be measured by LVDT?

A)displacement
B)velocity
C)acceleration
D)any of the above
Unlock Deck
Sign up to unlock the cards in this deck!
Unlock Deck
Unlock Deck
1/15
auto play flashcards
Play
simple tutorial
Full screen (f)
exit full mode
Deck 4: Pneumatic Control Systems and Control Elements
1
In pneumatic control systems the control valve used as final control element converts

A)pressure signal to electric signal
B)pressure signal to position change
C)electric signal to pressure signal
D)position change to pressure signal
pressure signal to position change
2
Pressure error can be measured by which of the following ?

A)differential bellows and straingauge
B)selsyn
C)strain gauge
D)strain gauge and potentiometer
differential bellows and straingauge
3
Which of the following devices is used for conversion of co-ordinates ?

A)microsyn
B)selsyn
C)synchro-resolver
D)synchro-transformer
synchro-resolver
4
The effect of error damping is to

A)provide larger settling lime
B)delay the response
C)reduce steady state error
D)any of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
5
technique gives quick transient and stability response

A)root locus
B)bode
C)nyquist
D)nichols
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
6
A phase lag lead network introduces in the output

A)lag at all frequencies
B)lag at high frequencies and lead at low frequencies
C)lag at low frequencies and lead at high frequencies
D)none of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
7
Which of the following is the non-linearity caused by servomotor ?

A)static friction
B)backlash
C)saturation
D)none of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
8
can be extended to systems which are time-varying ?

A)bode-nyquist stability methods
B)transfer functions
C)root locus design
D)state model representatives
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
9
When the initial conditions of a system are specified to be zero it implies that the system is

A)at rest without any energy stored in it
B)working normally with reference input
C)working normally with zero reference input
D)at rest but stores energy
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
10
Which of the following is an electromagnetically device ?

A)induction relay
B)thermocouple
C)lvdt
D)any of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
11
A differentiator is usually not a part of a control system because it

A)reduces damping
B)reduces the gain margin
C)increases input noise
D)increases error
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
12
If the gain of the critical damped system is increased it will behave as

A)oscillatory
B)critically damped
C)overdamped
D)underdamped
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
13
In a control system integral error compensation _______ steady state error

A)increases
B)minimizes
C)does not have any effect on
D)any of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
14
An amplidyne can give which of the following characteristics ?

A)constant current
B)constant voltage
C)constant current as well as constant voltage
D)constant current, constant voltage and constant power
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
15
Which of the following can be measured by LVDT?

A)displacement
B)velocity
C)acceleration
D)any of the above
Unlock Deck
Unlock for access to all 15 flashcards in this deck.
Unlock Deck
k this deck
locked card icon
Unlock Deck
Unlock for access to all 15 flashcards in this deck.