Integrating Sphere in illumination - Construction and Working Principle: It is a piece of apparatus which is now commonly employed for measurement of mean spherical candle power. In this method…
Polar Curve in illumination | Rousseau's Construction: Polar Curve in illumination - All discussions made so far were based on the assumption that the luminous intensity or the candle power…
Types of Air Conditioning Systems: There are three types of air conditioning systems, 1. Unitary Air Conditioning System: In this system, factory assembled air conditioners are installed in or adjacent…
Desert Cooler Construction and Working Principle: As the name implies, it is suitable for places where the humidity is quite low and temperature quite high. Such conditions are in conformity…
Domestic Refrigerator Working Principle and Construction: The applications of refrigeration for domestic purposes are mainly in the form of domestic refrigerator and home freezers. The main purpose of this type…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 3: 102. The most suitable motor for a steel mill requiring a motor having high starting torque, wide speed range…
Refrigeration and Air Conditioning Interview Questions and Answers: 1. What is practical unit of refrigeration ? Define it. Ans. Tonne of refrigeration (TR) is the practical unit of refrigÂeration and…
Illumination Engineering Interview Questions and Answers: 1. What are the advantages of artificial lighting produced electrically ? Ans. Artificial lighting produced electrically have the advantages of cleanliness, ease of control,…