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Test: Transducers- 3 - GATE MCQ


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25 Questions MCQ Test - Test: Transducers- 3

Test: Transducers- 3 for GATE 2024 is part of GATE preparation. The Test: Transducers- 3 questions and answers have been prepared according to the GATE exam syllabus.The Test: Transducers- 3 MCQs are made for GATE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Transducers- 3 below.
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Test: Transducers- 3 - Question 1
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Which of the following represents the drawbacks of the inductive transducer for displacement measurement?

Detailed Solution for Test: Transducers- 3 - Question 1
Electromagnetic force of attraction is acted on the moving core, and hence the displacement source has to overcome this force.
Test: Transducers- 3 - Question 2
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Which of the following represents the application of inductive transducers?

Detailed Solution for Test: Transducers- 3 - Question 2
Inductive transducers can measure displacement and thickness of thin plate etc.
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Test: Transducers- 3 - Question 3
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Push-pull coil system is used for ________________

Detailed Solution for Test: Transducers- 3 - Question 3
Push-pull system is a special type of coil system with many advantages.
Test: Transducers- 3 - Question 4
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Closely wound toroid coils are better than solenoid coils.
Detailed Solution for Test: Transducers- 3 - Question 4
Closely wound toroid coils provide independence from the effect of an external magnetic field.
Test: Transducers- 3 - Question 5
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Which of the following is correct for toroid-type coils?
Detailed Solution for Test: Transducers- 3 - Question 5
Toroid cannot measure linear displacement due to its shape.
Test: Transducers- 3 - Question 6
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Which of the following represents materials used for thickness measurement using an inductive transducer?
Detailed Solution for Test: Transducers- 3 - Question 6
Commonly, all magnetic materials can be used for thickness measurement using inductive transducers.
Test: Transducers- 3 - Question 7
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Which of the following devices can be used for measuring relative angular displacement between two systems?
Detailed Solution for Test: Transducers- 3 - Question 7
Synchro is a device used for measuring angular displacement between two systems, usually in a machine between two shafts.
Test: Transducers- 3 - Question 8
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Which of the following is correct for synchro?
Detailed Solution for Test: Transducers- 3 - Question 8
They develop induced emf related to the angular position of the rotor. Hence they are known as transformer type displacement transducers.
Test: Transducers- 3 - Question 9
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For thickness measurement, the material should have constant permeability and resistivity.
Detailed Solution for Test: Transducers- 3 - Question 9
Material used for thickness measurement should have constant permeability and resistivity since material properties should not change during measurement.
Test: Transducers- 3 - Question 10
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Inductive potentiometers are used to measure ________________
Detailed Solution for Test: Transducers- 3 - Question 10
It has the same function as linear potentiometers and is used for measuring displacement.
Test: Transducers- 3 - Question 11
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Process of physical deformation on the application of electric field is described by
Detailed Solution for Test: Transducers- 3 - Question 11
Electrostriction property is defined by the physical deformation of certain materials on the application of an electrical field.
Test: Transducers- 3 - Question 12
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Who invented the piezoelectric effect?
Detailed Solution for Test: Transducers- 3 - Question 12
Piezoelectric effect was first invented and explained by curie brothers Pierre curie and Jacques curie in 1980.
Test: Transducers- 3 - Question 13
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Which of the following represents piezoelectric materials?
Detailed Solution for Test: Transducers- 3 - Question 13
Quartz, ADP (Ammonium dihydrogen Phosphate), and borniteCurie are examples of piezoelectric materials.
Test: Transducers- 3 - Question 14
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Property of exhibiting electric polarization when exposed to intense electric field is known as ___________
Detailed Solution for Test: Transducers- 3 - Question 14
Piezoelectric and Ferroelectric materials are closely related and they produce electric polarization when exposed to an intense electric field.
Test: Transducers- 3 - Question 15
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Which of the following quantities cannot be measured using piezoelectric transducers?
Detailed Solution for Test: Transducers- 3 - Question 15
Piezoelectric transducers can be used to measure a wide range of quantities like pressure, acceleration, strain displacement, etc.
Test: Transducers- 3 - Question 16
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Which of the following can be used conveniently at 1000C temperature?
Detailed Solution for Test: Transducers- 3 - Question 16
Rochelle salt is suitable for operation at room temperature only, while ADP (Ammonium dihydrogen Phosphate) can be used up to temperature 1000C.
Test: Transducers- 3 - Question 17
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Which of the following type of transducers are used in IC engines?
Detailed Solution for Test: Transducers- 3 - Question 17
Multimorphes is the combination of more than two transducers; it is suitable in IC engines where pressure variations occur at high frequencies up to 20 kHz.
Test: Transducers- 3 - Question 18
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__________ are also known as piezopile.
Detailed Solution for Test: Transducers- 3 - Question 18
Multimorphes is the combination of more than two transducers are also known as piezopile.
Test: Transducers- 3 - Question 19
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Piezoelectric accelerometer requires a damping system.
Detailed Solution for Test: Transducers- 3 - Question 19
Since the natural frequency of piezo elements is so high and far removed from the range of frequencies usually required of accelerometers, they don’t need damping systems.
Test: Transducers- 3 - Question 20
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In piezoelectric strain transducer voltage developed is _______________ to strain applied.
Detailed Solution for Test: Transducers- 3 - Question 20
For a piezoelectric strain transducer, as the strain applied increases, the output voltage also increases.
Test: Transducers- 3 - Question 21
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Strain gauge measurement involves __________.
Detailed Solution for Test: Transducers- 3 - Question 21
Strain gauge uses the practical form of Wheatstone’s bridge to measure the strain developed by an element.
Test: Transducers- 3 - Question 22
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How many types of transducers are there?
Detailed Solution for Test: Transducers- 3 - Question 22
There are two types of transducers.

They are as follows:

i) Mechanical

ii) Electrical

Test: Transducers- 3 - Question 23
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Load cells are calibrated such that _______.
Detailed Solution for Test: Transducers- 3 - Question 23
The load cells in a semiconductor strain gauge are calibrated so that the force or weight varies directly as the resistance. The strain gauge is arranged in the form of a bridge.
Test: Transducers- 3 - Question 24
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Electrical transducers generate ________.
Detailed Solution for Test: Transducers- 3 - Question 24
Electrical transducers, in general, respond to physical quantities that are non-electrical such as pressure, temperature, force, etc., and generate equivalent electrical signals at their output.
Test: Transducers- 3 - Question 25
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Mechanical transducers cause ________.
Detailed Solution for Test: Transducers- 3 - Question 25
Mechanical transducer-based systems are affected by the frictional loss of the rotating parts. There is no wear and tear in electrical transducers due to non-moving parts.
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