SSC JE Electrical Engineering 23rd Jan 2018 Shift-1

Instructions

For the following questions answer them individually

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 181


For which of the following DC motors,is the typical field of application mentioned?

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 182


High pressure mercury discharge lampsare not used in

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 183


Which of the following lamp gives nearly monochromatic light?

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 184


Powerfactor is highest in case of

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 185


The process of heat transfer during the re-entry of satellites and missiles at very high speeds, into earth’s atmosphere is known as .....

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 186


A pole-changing squirrel cage induction motor employed in derricks has four, eight and twenty four pole. The lowest speed is used in

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 187


- In heating the ferro-magnetic materials by induction heating, heat is produced owing to

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 188


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.

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 189


The conduction band is

SSC JE Electrical Engineering 23rd Jan 2018 Shift-1 - Question 190


The motorthat is used for intermittent, high torque loadsis ../....

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