Transistor Biasing

July 12, 2016

NPN Transistor Currents
The below Figure shows a bias arrangement for both npn and pnp BJTs for operation as anĀ amplifier. Notice that in...
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Bipolar Junction Transistor Construction

July 12, 2016

Bipolar Junction Transistor Structure
The basic structure of the bipolar junction transistor (BJT) determines its operating characteristics. The BJT is constructed with three doped...
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Mechanical Interview Questions and Answers – Part 1

July 12, 2016

Mechanical Interview Questions and Answers - Part 1
1. Why excess air is required to burn a fuel completely ? Excess air is required to ensure adequate mixing...
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Mechanical Interview Questions and Answers – Part 2

July 12, 2016

Mechanical Interview Questions and Answers - Part 2
1. What is the difference between scavenging and supercharging ? Scavenging is process of flushing out burnt gases from engine...
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Mechanical Interview Questions and Answers – Part 3

July 12, 2016

Mechanical Interview Questions and Answers - Part 3
1. What is the difference between isotropic and anisotropic materials ? If a material exhibits same mechanical properties regardless of...
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Technical Interview Questions for Mechanical Engineers

July 12, 2016

Technical interview questions for mechanical engineers
1. What is anisotropy ? The phenomenon of different properties in different directions is called anisotropy. 2. What is vapour...
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Interview Questions and Answers for Mechanical Engineers Freshers

July 12, 2016

Interview Questions and Answers for Mechanical Engineers
1. How shear forces are incurred in fluid flow ? Ans: Shear forces between fluid particles and boundary walls and...
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Top 100 Mechanical Engineering Interview Questions

July 12, 2016

Top 100 Mechanical Engineering Interview Questions
1. What parameters influence the tool life ? 1. Tool material 2. Work material 3. Speed, feed and depth of...
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Civil Engineering Interview Questions & Answers

July 12, 2016

Civil Engineering Interview Questions & Answers
What are the causes of building collapse? The Passage of time is one reason. Buildings also collapse due to weak...
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Thermodynamics & Fluid Mechanics Interview Questions

July 12, 2016

Thermodynamics & Fluid Mechanics Interview Questions
Latest Thermal Interview Questions and Answers Why Entropy decreases with increase in temperature? ds=dQ/T Entropy is inversely proportional to the...
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