Heating of Buildings - Factors and Types: The purpose of most forms of space-heating installation is to provide comfortable conditions in which people can work or relax. Space heating of…
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…
Water Cooler Working Principle and Types: Water is one of the most needed thing for a person. In summer season cold water gives life to a thirsty person. At 10°C…
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…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 150. In phase modulation, phase deviation is proportional to (a) carrier amplitude. (b) carrier phase. (c) message signal. (d) message…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 12: 552. The electric motor used for traction work should be mechanically (a) small in overall dimensions (specially in its…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 9: 402. Desired illumination level on the working plane depends upon (a) age group of observers. (b) whether the object…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 2:Â 52. The pair used for frequency converters is (a) squirrel cage induction motor and synchronous motor. (b) slip-ring induction…