MCQGeeks
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Electrical Engineering
Electrical Control Systems
Quiz 4
Solution
Q.1.
With feed back _____ reduces.
system stability
system gain
system stability and gain
none of the above
Q.2.
Is a closed loop system.
Auto-pilot for an aircraft
Direct current generator
Car starter
Electric switch
Q.3.
Phase margin of a system is used to specify which of the following ?
Frequency response
Absolute stability
Relative stability
Time response
Q.4.
A closed loop system is distinguished from open loop system by which of the following ?
Servomechanism
Feedback
Output pattern
Input pattern
Q.5.
Which of the following can be measured by the use of a tachogenerator ?
Acceleration
Speed
Speed and acceleration
Displacement
None of the above
Q.6.
In a control system integral error compensation _______ steady state error
increases
minimizes
does not have any effect on
any of the above
Q.7.
The type-2 system has ________ at the origin.
No net pole
Net pole
Simple pole
Two poles
Q.8.
Which of the following should be done to make an unstable system stable ?
The gain of the system should be decreased
The gain of the system should be increased
The number of poles to the loop transfer function should be increased
The number of zeros to the loop transfer function should be increased
Q.9.
On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?
Frequency
Loop gain
Forward gain
All of the above
Q.10.
Addition of zeros in transfer function causes which of the following?
Lead-compensation
Lag-compensation
Lead-lag compensation
None of the above
Q.11.
In force-voltage analogy, velocity is analogous to
current
charge
inductance
capacitance
Q.12.
The effect of error damping is to
provide larger settling lime
delay the response
reduce steady state error
any of the above
none of the above
Q.13.
The band width, in a feedback amplifier.
remains unaffected
decreases by the same amount as the gain increase
increases by the sane saaaajajt as the gain decrease
decreases by the same amount as the gain decrease
Q.14.
A system that relies on feedback in order to operate is known as what?
A closed-loop system
A constant-loop system
An open-ended system
An open-loop system
Q.15.
As an output, a petrol powered car engine will create which of the following?
Sound
Heat
Exhaust emissions
All of above
Q.16.
Within systems, every system will have an output. True or false?
True
False
Q.17.
The creation of light pollution as a direct result of an engineering project is an example of what?
A positive environmental impact
A negative economic impact
A negative environmental impact
A positive economic impact
Q.18.
In which THREE ways might efficiency be lost in a system?
Heat
Friction
Sound
All of above
Q.19.
The '+' symbol in an error detector represents what?
Set value
Actual value
Positive terminal
All of above
Q.20.
True or false. Systems will always convert one form of energy into another?
True
False
Q.21.
A Universal System Diagram will always require which THREE pieces of information?
An output
A process
An input
All of above
Q.22.
Stored energy is otherwise known as _________ energy.
activation energy
kinetic energy
potential energy
thermodynamic energy
Q.23.
Complete the sentence: A transducer is...
… a device that converts electrical energy into potential energy.
… a form of kinetic energy.
… a device that converts a physical quantity, such as pressure or brightness, into an electrical signal, or vice versa.
All of above
Q.24.
Which two of the following could be considered as outputs of a toaster?
Heat energy
Toast
Electricity
Both A & B
Q.25.
Within a sub-system diagram, a system boundary is represented by what?
A solid line
An arrow
A dashed line
An arrow in and an arrow out
Q.26.
When electricity passes through a bulb, the bulb produces ______________.
heat energy only
light energy only
heat and light energy
None of these
Q.27.
What is the prime mover in electrical systems
charge
frequency
voltage
resistance
Q.28.
List four parts of a general electrical circuit:
source, load, battery, light bulb
source, load, switch, insulator
load, control element, conductor, source
switch, load, connector, source
Q.29.
Name three methods used to produce a voltage:
photo-voltaicl
chemical
magnetic
All of above
Q.30.
A voltage is created whenever positive and negative charges are .
combined
separated
fused
neutralized
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page