Physics Lab Viva Voce Questions and its answers Laser Parameters



1. What is semi conductor diode laser?
Semiconductor diode laser is a specially fabricated pn junction diode. It emits laser light when it is
forward biased.

2. What is LASER?
The term LASER stands for Light Amplification by Stimulated Emission of Radiation. It is a device
which produces a powerful, monochromatic collimated beam of light in which the waves are coherent.

3. What are the characteristic of ....etc

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Notes for mechanical measurements and metrology of sub code:10me042 ....etc

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Introduction

What is Automation?

- Automation is making a process automatic, eliminating the need for human intervention.
- Is a self-controlling or self-moving process.
- Automation software offers automation wizard and commands of its own in addition to
providing task recording and re-play capabilities.
- Using these tools we can record the task
- Then if needed use the editor to edit the task, add new commands or using GUI automation
wizards

Benefits of Automation

Fast: test automation runs faster than human users
Reliable: it perform ....etc

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why to go for testbenches.its uses.difference between serial & parallel adder.use of counter ....etc

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viva questions and answers for plc lab

What are different comonents in PLC?
Answer: 1. Input Interface 2. Memory Section 3. Central Processing Unit (CPU) 4. Programmable Language 5. Programming tool 6. An output Interface

Advantages of PLCs than Hard wired Relay?
Answer: PLCs are highly reliable, easily programmable, Small and Inexpensive, PLCs can be designed with the communication capabilities so they can converse with the local or remote computer, They can sustain in robust environment less maintenance.

What is the programmable language ....etc

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tq for posting the viva questions it is more useful for students .. ....etc

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viva questions and answers for electrical measurements lab

Measurement and Instrumentation Lab - VIVA QUESTIONS
EXPNO.1 MEASUREMENT OF RESISTANCE USING WHEATSTONE BRIDGE
Explain the operation of Wheatstone bridge.
Name two advantages of a Wheatstone bridge over an ordinary ohmmeter.
What is the range of resistance can be measured using Wheatstone bridge
What do u meant by sensitivity?
What do u meant by selectivity?
What do u meant by accuracy?
What are the limitations of this bridge?
What are the other methods used for measurement of medium r ....etc

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http://nptelvideos2012/12/mechanical-measurements-and-metrology.html

if you again feel trouble on mechanical measurements and metrology lab viva questions answered please reply in that page and ask specific fields in mechanical measurements and metrology lab viva questions answered ....etc

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Metrology is the science of measurement and includes all theoretical and practical aspects of measurement.

Metrology is defined by the International Bureau of Weights and Measures (BIPM) as the science of measurement, embracing both experimental and theoretical determinations at any level of uncertainty in any field of science and technology. The ontology and international vocabulary of metrology (VIM) is maintained by the Joint Committee for Guides in Metrology (JCGM), a group made up of eight international organisations BIPM, IEC, IF ....etc

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system software lab lab viva questions and answers pdf

VIVA VOCE QUESTIONS WITH ANSWERS INTRODUCTION

1. Define system software.
It consists of variety of programs that supports the operation of the
computer. This software makes it possible for the user to focus on the other problems to be solved with out needing to know how the machine works internally.
Eg: operating system, assembler, loader.

2. Give some applications of operating system.
to make the computer easier to use
to manage the resources in computer
process management
data ....etc

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