For the following questions answer them individually
For which of the following DC motors,is the typical field of application mentioned?
High pressure mercury discharge lampsare not used in
Which of the following lamp gives nearly monochromatic light?
Powerfactor is highest in case of
The process of heat transfer during the re-entry of satellites and missiles at very high speeds, into earth’s atmosphere is known as .....
A pole-changing squirrel cage induction motor employed in derricks has four, eight and twenty four pole. The lowest speed is used in
- In heating the ferro-magnetic materials by induction heating, heat is produced owing to
A 30kW rated output, 400V, 3 phase delta connected, 4-pole, 50 Hz induction motorfull load slip of 5%. If the ratio of standstill reactance to resistance per rotor phaseis 4 estimate the full load speed.
The conduction band is
The motorthat is used for intermittent, high torque loadsis ../....