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…
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 refrigeration and…
Electric Drives Interview Questions and Answers: 1. What is an electric drive ? Ans. An electric drive is defined as a form of machine equipment designed to convert electrical energy…
Types of Electromagnetic Relays: There are two principal Types of Electromagnetic Relays: Attracted armature type; and Induction type. (a) Attracted Armature Type: This includes plunger, hinged armature, balanced beam and…
Brown Boveri Regulator: In this type of Brown Boveri Regulator, exciter field rheostat is varied continuously or in small steps instead of being first completely cut in and then completely…
pH Measurement Methods: pH is defined as the negative logarithm of the active hydrogen ion. It is a measure of the acidity or alkalinity of an aqueous solution. The pH…
What is Shunt Compensation in Power System?: Shunt Compensation are connected in shunt at various system nodes (major substations) and sometimes at mid-point of lines. These serve the purposes of…