The below Figure shows a bias arrangement for both npn and pnp BJTs for operation as an amplifier. Notice that in…
The basic structure of the bipolar junction transistor (BJT) determines its operating characteristics. The BJT is constructed with three doped…
1. Why excess air is required to burn a fuel completely ? Excess air is required to ensure adequate mixing…
1. What is the difference between scavenging and supercharging ? Scavenging is process of flushing out burnt gases from engine…
1. What is the difference between isotropic and anisotropic materials ? If a material exhibits same mechanical properties regardless of…
1. What is anisotropy ? The phenomenon of different properties in different directions is called anisotropy. 2. What is vapour…
1. How shear forces are incurred in fluid flow ? Ans: Shear forces between fluid particles and boundary walls and…
1. What parameters influence the tool life ? 1. Tool material 2. Work material 3. Speed, feed and depth of…
What are the causes of building collapse? The Passage of time is one reason. Buildings also collapse due to weak…
Latest Thermal Interview Questions and Answers Why Entropy decreases with increase in temperature? ds=dQ/T Entropy is inversely proportional to the…