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Instrumentation Transducers Multiple Choice Questions | MCQs | Quiz

Instrumentation Transducers Interview Questions and Answers
Practice Instrumentation Transducers questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Callibration
•   Transducers Types
•   Characteristics
•   Errors Measurement
•   Standard Test Signals
•   Current Measurement
•   Voltage Measurement
•   Resistance Measurement
•   Impedence Measurement
•   Electronic Amplifiers
•   Phase Angle Measurement
•   Frequency Measurement
•   Time Interval Measurement
•   Systems Performance
•   Electrical Networks
•   Mechanical Systems
•   Electro Mechanic System
•   Fluidic Systems
•   Filtering Compensation
•   Temperature Measurement
•   Force Measurement
•   Pressure Measurement
•   Torque Measurement
•   Density Measurement
•   Liquid Level Measurement
•   Viscosity Measurement
•   Flow measurement
•   Pressure Transducers
•   Seismic Transducers
•   Gyroscope
•   Resistive Transducers
•   Inductive Transducers
•   Capacitive Transducers
•   Electric Transducers
•   Piezo Electric Transducers
•   Magnetostrictive
•   Hall Effect Transducers
•   Mechanical Transducers
•   Photo Electric Transducers
•   Ionization Transducers
•   Digital Transducers
•   Electro Chemical
•   Feedback System
•   Inverse Transducers
•   Temperature Systems
•   Balancing Potentiometer
•   Self Balancing Bridges
•   Heat Flow Systems
•   Beam Balance Systems
•   Servo Operated Manometer
•   Pneumatic Loadcell
•   Electro Magnetic Flow
•   Accelerometer System
•   Feedback Applications
•   DC Power Supplies
•   Signal Generators
•   High Frequency Amplifiers
•   Comparators
•   Active Electrical Filters
•   Analog Modulators
•   Analog Demodulators
•   Sampling Circuits
•   Digital Building Blocks
•   Flip Flop Circuits
•   Shift Registors & Counters
•   Encoders & Decoders
•   Digital-Analog Converters
•   Analog-Digital Converters
•   Demultiplexers
•   Microprocessors
•   Recording Systems
•   Dataloggers
•   Analog Indicators
•   Digital Readout Systems
•   Analog Recorders
•   Magnetic Tape Recorders
•   Digital Input Outpt Devices
•   Data Transmission
•   Telemetry Systems
•   Landline Telemetry
•   Radio Telemetry
•   Multiplexers Frequency
•   Multiplexing Time Division
•   Sensor Systems
•   Semiconductor Sensors
•   Smart Sensors
•   Micro Sensors
•   IR Radio Sensors
•   Ultrasonic Sensors
•   Fibre Optic Sensors
•   Chemical Sensors
•   Bio Sensors
•   Thermography
•   Nano Instrumentation
•   Biomedical Instrumentation
•   Tomography
•   Instrumentation Analysis
•   Pollution Monitoring
•   Robotic Instrumentation
•   Process Control

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Instrumentation Transducers Questions and Answers – Measurement of Current

Posted on May 26, 2017 by Manish

This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Measurement of Current”.

1. Find the initial value of current for which transient current is given by
I(S) = (S2+S)⁄(5S2+1)
a) 0
b) 1
c) 0.2
d) 0.5
View Answer

Answer: c
Explanation: Initial value of current from transient response is found using initial value theorem on Laplace transform. Initial value theorem is given as
Ltt→0x(t)=Lts→∞S.X(S).
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2. What is the purpose of making internal resistance of milli-ammeter very low?
a) High sensitivity
b) High accuracy
c) Minimum voltage drop across meter
d) Maximum voltage drop across meter
View Answer

Answer: c
Explanation: Low internal resistance will help in easy current flow. If we put a high resistance in series to current flow, it will cause large voltage drop to produce across meter.

3. Which of the following devices can be used with both AC and DC?
a) PMMC
b) Moving iron type
c) Moving coil type
d) Induction type
View Answer

Answer: b
Explanation: Moving iron type meters can be used in both AC and DC applications.

4. How many electrons are contributed in one coulomb electric charge?
a) 6.242 × 1018
b) 6.242 × 1019
c) 6.242 × 1020
d) 6.242 × 1010
View Answer

Answer: a
Explanation: Charge of one electron is 1.6 × 10-19coulumb, hence one coulomb implies reciprocal of 1.6×10-19 which is 6.25×1018.
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5. In a conductor after 1 minute of electron passage, current flown is found to be 1mA. How many electrons would have passed through that conductor?
a) 4.5×1020
b) 5×1017
c) 3.75×1017
d) 3.75×1018
View Answer

Answer: c
Explanation: For n number of electrons, total charge will be n×1.6×10-19. Then for charge passed in one second will be current flow, here 1mA.

6. Which of the following can be treated as an equivalent of ampere?
a) Coulomb/second
b) Watt/second
c) Joule/second
d) Coulomb
View Answer

Answer: a
Explanation: Ampere can be treated as coulomb per second, since it is the charge transferred in one second.

7. What will be the average value of current, if its peak value is 43A?
a) 27.4A
b) 37.7A
c) 21.5A
d) 60.8A
View Answer

Answer: a
Explanation: Average current value is the product of peak value and 0.636.
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8. Using a low resistant shunt Moving coil, permanent magnet instrument can be converted to ______________
a) Volt meter
b) Ammeter
c) Flux-meter
d) Watt meter
View Answer

Answer: b
Explanation: By applying a low resistant shunt in permanent magnet moving coil instrument can be converted to Ammeter.

9. An induction meter can handle current up to__________
a) Below 10A
b) 10A
c) 50A
d) 100A
View Answer

Answer: d
Explanation: Current handling capacity of induction meter is high up to 100A.

10. Which of the following effect is used in AC ammeters?
a) Electromagnetic effect
b) Electrostatic effect
c) Chemical effect
d) Magnetic effect
View Answer

Answer: a
Explanation: AC ammeters uses electromagnetic principle for operation. This effect is also employed in some integrating instruments.

Sanfoundry Global Education & Learning Series – Instrumentation Transducers.
To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers.

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Deep Dive @ Sanfoundry:

  1. Electrical Engineering Questions and Answers
  2. Electronic Devices and Circuits Questions and Answers
  3. Linear Integrated Circuits Questions and Answers
  4. Electrical Measurements Questions and Answers
  5. Analytical Instrumentation Questions and Answers
  6. Instrumentation Transducers Questions and Answers
  7. Instrumentation Transducers Questions and Answers – Servo Operated Electro Magnetic Flowmeter
  8. Instrumentation Transducers Questions and Answers – Inductive Transducers
  9. Instrumentation Transducers Questions and Answers – Measurement of Phase Angle
  10. Instrumentation Transducers Questions and Answers – Flow Measurement
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer and SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage & Cluster Administration, Advanced C Programming, SAN Storage Technologies, SCSI Internals and Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him below:
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