WorksheetsCh. 2 Representation of Control Systems & components Test-3
Total questions: 18
Worksheet time: 18mins
The output of a feedback control system should be a function of
Reference &
output
Input
Feedback signal
All of above
In the inverse analog for a mechanical system the quality which cannot be compared with any electrical
quantity is____________
Velocity
Force
Damping
coefficient
displacement
The impedance term for a capacitor is given by___________
1/CD
CD
C
1/C
In force-voltage analog, damping coefficient B is analogous to _____.
Charge Q
Capacitance C
Inductance L
Resistance R
In hydraulic amplifier the piston position of hydraulic cylinder is --------of the value position.
Integral
Derivatives
Square
None of these
Which of the following device is suitable to get huge force
Hydraulic
amplifier
D.C.Motor
A.C.Motor
Hydraulic
Servomotor
In hydraulic governing system non linearity appears due to the presence of
Governer
D.C.Valve
Lever
Hydraulic
cylinder
A.C. servomotor resembles
Two phase
induction motor
Three phase
induction motor
direct current
series motor
universal motor
For mechanical elements in series the displacement of all element is
Same
Different
Depends on
elements
parameters
none of these
The time constant of any system depends on
System variables
system
parameters
Both a) and b)
Types of the
system
A.C. servomotor is basically a
universal motor
single phase
induction motor
two phase
induction motor
three phase
induction motor
In linearization of operating curves, the partial derivatives are
Evaluated from
a graph
Evaluated from
equation
Equated to zero
Not at all
required
A hydraulic amplifier amplifies
Displacement
Torque
Power
Force
Which of the following is not a electro-mechanical system?
Stepper motor
Transformer
Synchro
D. C. motor
Linearization is best suitable for
Logarithmic
functions
Trigonometric
functions
Functions with
higher order of
non- linearity
Functions with
lower order of
non- linearity
In linearization of operating curves, the ‘partial derivatives’ are
Evaluated from
equation
Evaluated from
a graph
Not at all
required
Equated to zero
In armature controlled DC motor, field current is
varied
equal to armature
current
Constant
none of these
Linearization technique is best suited for
Logarithmic functions
Trigonometric
functions
Functions with higher
non-linearity
Functions with lower
non linearity
