Industrial Electronics Practice Quiz 03

Industrial Electronics Practice Quiz 03

Welcome to ECE Board Exam Practice Quiz for Industrial Electronics. This set of practice quiz 3 will test your competence on the theories, concepts and problem solving involving Industrial Electronics. The objectives and goals of this quiz is to help engineering students familiarize concepts and theories as well as develop problem solving skills when answering questions related to the Industrial Electronics.

Industrial Electronics Test Bank

In this section are compiled practice quiz for Industrial Electronics that could be able to enhance your knowledge and skills in your preparation for the ECE Board Exam. The goal is to add thousands of questions for you to be familiarized and hopefully help you to be prepared. I am looking forward that this practice quiz will give you an additional confidence in taking your upcoming Engineering Board Exam.

Guidelines:
  • Read and understand each question before choosing the best answer.
  • The correct answer will be reveal after you have chosen your answer for every questions
  • There is no time limit, answer the questions at your own pace.
  • Once all questions are answered, you will be shown your rating.
  • You have to get 70% of the total items to pass the quiz.
  • You can re-take the quiz as many times as you want or until you are satisfied of your rating.
  • Comment us your thoughts, scores, ratings, and questions about the quiz in the comments section below!

Choose the letter of the best answer in each questions.

The SCR can exercise control over ______ of ac supply.
positive or negative half-cycle
both positive and negative half-cycles
only positive half-cycle
only negative half-cycle

Correct!

Wrong!

A diac is simply
a single junction
a three junction device
a triac without a gate terminal
the SCR

Correct!

Wrong!

What is the required gate triggering current of GTO?
20 mA
10 mA
30 mA
40 mA

Correct!

Wrong!

A diac is turned on by
breakover voltage
gate current
gate voltage
anode current

Correct!

Wrong!

The supply voltage is generally ________ that of breakover voltage in an SCR.
equal to
less than
greater than
twice

Correct!

Wrong!

What Greek word which means “switch”?
Ristor
Trans
Thy
Thyristor

Correct!

Wrong!

Acceleration transducers are also called
gyros
force transducers
tachometers
accelerometers

Correct!

Wrong!

A locus or path of the roots traced out on the s-plane as a parameter is changed.
Root locus
Hyperbola
Parabola
Circle

Correct!

Wrong!

Which of the following is NOT a method primarily used for density sensing?
Sonic
Radiations
Vibrating element
Differential

Correct!

Wrong!

What is dimensionless parameter of the second-order characteristic equation?
Damping ratio
Accuracy
Efficiency ratio
Transfer function ratio

Correct!

Wrong!

When the firing angle of SCR is increased, its output
decreases
increases
remains unchanged
doubles

Correct!

Wrong!

What is that value of current below which the SCR switches from the conduction state to the forward blocking region under stated conditions?
Holding current
Forward current
Reverse current
Trigger current

Correct!

Wrong!

A normally operated SCR has an anode which is ________ with respect to cathode.
negative
positive
at zero potential
at infinite potential

Correct!

Wrong!

What is the sensing element of acceleration transducer?
Damper
Spring
Seismic mass
Crystal

Correct!

Wrong!

The UJT operates in what region after peak point?
Cut off
Negative resistance
Saturation
Positive resistance

Correct!

Wrong!

A feedback control system in which the controlled variable is mechanical position.
Closed-loop feedback control system
Open-loop feedback control system
Servomechanism
Mechanical servomechanism

Correct!

Wrong!

An SCR when turned on has a typical voltage across of
zero
0.1 V
infinite
1 V

Correct!

Wrong!

An SCR is a solid state equivalent of which tube?
Triode
Gas-filled triode
Pentode
Tetrode

Correct!

Wrong!

An SCR is made of what material?
Silicon
Carbon
Germanium
Gallium-arsenide

Correct!

Wrong!

A transduction principle used primarily in optical sensors.
Photoconductive transduction
Photovoltaic transduction
Electromagnetic transduction
Piezoelectric transduction

Correct!

Wrong!

An SCR is a member of what family?
Thyrector
Thyratron
Thyristor
Transistor

Correct!

Wrong!

When the supply voltage exceeds the breakover voltage of an SCR, it
starts conducting
stops conducting
conducts leakage current
conducts terminal current

Correct!

Wrong!

What is one of the most widely used sensing elements particularly for pressure ranges higher than 2 MPa?
Bellows
Bourdon tube
Capsule
Straight tube

Correct!

Wrong!

What sensing element is typically made from a thin-walled tube formed into deep convolutions and sealed at one end, whose displacement can then be made to act on a transduction element?
Diaphragm
Bellow
Capsule
Bourdon tube

Correct!

Wrong!

What refers to the application of electronic theory, technology, instrumentation, and computing system to biological research and medical problems?
Medical electronics
Genetics electronics
Biomedical engineering
Biomedical electronics

Correct!

Wrong!

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Industrial Electronics – Quiz 03

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