HOW SOLAR CELLS WORKS?
HOW SOLAR CELLS WORKS? Solar cells, which largely are made from crystalline silicon work on… Read More »HOW SOLAR CELLS WORKS?
FAQs
Difference between Yield Stress and Yield Strength?
Answer: Stress is a measure of the load applied to a sample relative to a cross… Read More »Difference between Yield Stress and Yield Strength?
What is difference between Center of Mass and Center of Gravity?
Answer: Both terms are same when gravity is uniform. When gravity is non-uniform following are… Read More »What is difference between Center of Mass and Center of Gravity?
Poisson’s Ratio is higher in Rubber, Steel or Wood?
Answer: When a material is compressed in one direction, it usually tends to expand in the… Read More »Poisson’s Ratio is higher in Rubber, Steel or Wood?
What is difference between Welding and Brazing?
Answer: In Welding, concentrated heat (high temperature) is applied at the joint of metal and fuse… Read More »What is difference between Welding and Brazing?
State the difference between Unilateral and Bilateral Tolerance?
Answer: unilateral tolerance: A unilateral tolerance is tolerance in which variation is permitted only in one direction… Read More »State the difference between Unilateral and Bilateral Tolerance?
State the difference between Anti Friction Bearing and Journal Bearing?
Answer: Generally, journal bearings have higher friction force, consume higher energy and release more heat, but… Read More »State the difference between Anti Friction Bearing and Journal Bearing?
What causes hardness in steel? How heat treatment alters properties of steel?
Answer: The shape and distribution of the carbides in the iron determines the hardness of the… Read More »What causes hardness in steel? How heat treatment alters properties of steel?
What is mechanical engineering?
Answer: Mechanical engineering is the discipline that combines the principles of engineering, physics and materials science… Read More »What is mechanical engineering?
What is the difference between Speed and Economic Speed?
The rated speed tells us about the maximum speed which can be achieved by a… Read More »What is the difference between Speed and Economic Speed?