Exam Details
| Subject | Electronic Measurement and Instruments | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct alternative.
AQUADAG is a
non-conductive coating on the screen of a CRT to collect the high-velocity electrons.
non-conductive coating on the screen of a CRT to collect the secondary-emission electrons.
conductive coating on the screen of a CRT to collect the low-velocity electrons.
None of the above
The internal resistance of the ammeter should ideally be
Zero
Very large
Very small
Infinite
For measuring high value of capacitor and low value of inductor, one will use
Series Connection Q-meter
Parallel Connection Q-meter
Direct Connection Q-meter
All the above
The resolution of a DUM with 4 digit is
1/4
1/1000
1/100
The principle of operation of a Q-meter is based on
Self-inductance
Mutual inductance
Series resonance
Parallel resonance
A dual beam CRO has
Two horizontal amplifiers
Two trigger circuits
Two vertical amplifiers
All the above
Pressure gauge is an instrument falling under the following category:
Recording instruments
Indicating instruments
Controlling instruments
Integrating instruments
Describe the various types of errors in instruments.
Is it necessary that every digital voltmeter should have a high input impedance? Give reasons.
Why is calibration of all instruments important Explain the calibration procedure.
Define Average and RMS values. Draw the block diagram of an Analog Multimeter.
Draw the block diagram of a Digital frequency meter and explain its operation.
Explain the working principle of Q-meter.
What is the need for inserting isolation between the signal generator output and oscillator in a simple signal generator What are the different ways in which this can be achieved
Explain the working of a pulse generator with the help of a block diagram.
Explain clearly, with the help of an example, how frequency and phase angle is measured using CRO.
Explain the basic circuit of a D.C. voltmeter.
Describe the sources of Synchronisation, Blanking circuit and Focus control.
Explain the two types of spectrum analyser.
8. Write short notes on any four of the following:
Signal Generator
CRT
Successive Approximation Type DVM
Sources of Torque
Types of Error
Classification of Instruments
AQUADAG is a
non-conductive coating on the screen of a CRT to collect the high-velocity electrons.
non-conductive coating on the screen of a CRT to collect the secondary-emission electrons.
conductive coating on the screen of a CRT to collect the low-velocity electrons.
None of the above
The internal resistance of the ammeter should ideally be
Zero
Very large
Very small
Infinite
For measuring high value of capacitor and low value of inductor, one will use
Series Connection Q-meter
Parallel Connection Q-meter
Direct Connection Q-meter
All the above
The resolution of a DUM with 4 digit is
1/4
1/1000
1/100
The principle of operation of a Q-meter is based on
Self-inductance
Mutual inductance
Series resonance
Parallel resonance
A dual beam CRO has
Two horizontal amplifiers
Two trigger circuits
Two vertical amplifiers
All the above
Pressure gauge is an instrument falling under the following category:
Recording instruments
Indicating instruments
Controlling instruments
Integrating instruments
Describe the various types of errors in instruments.
Is it necessary that every digital voltmeter should have a high input impedance? Give reasons.
Why is calibration of all instruments important Explain the calibration procedure.
Define Average and RMS values. Draw the block diagram of an Analog Multimeter.
Draw the block diagram of a Digital frequency meter and explain its operation.
Explain the working principle of Q-meter.
What is the need for inserting isolation between the signal generator output and oscillator in a simple signal generator What are the different ways in which this can be achieved
Explain the working of a pulse generator with the help of a block diagram.
Explain clearly, with the help of an example, how frequency and phase angle is measured using CRO.
Explain the basic circuit of a D.C. voltmeter.
Describe the sources of Synchronisation, Blanking circuit and Focus control.
Explain the two types of spectrum analyser.
8. Write short notes on any four of the following:
Signal Generator
CRT
Successive Approximation Type DVM
Sources of Torque
Types of Error
Classification of Instruments
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication