Electrical Engineering Quiz

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Electrical Engineering

Electrical Engineering Quiz

1 / 25

Frequencies above ________________kHz are called radio frequency;-

2 / 25

The current due to electron flow in conduction band is the hole current in valence band:-

3 / 25

_________ is defined as  the measure  of an instrument by which  is is error free;-

4 / 25

is the property of absorbing  moistures from  atmosphere:-

5 / 25

____________ has the best damping properties:-

6 / 25

Ohm's law is not applicable to:-

7 / 25

High resistivity material are used in:-

8 / 25

A 100 volt bulb has a resistance of 500 ohms. Th number of hours it can work for every kWh of energy consumed will be:-

9 / 25

In a lead acid battery during charging:-

10 / 25

Non linearity caused by servomotor  is due to;-

11 / 25

The transformer  lamination are insulated from each other by;-

12 / 25

Due to which of the following factors the brush wear rate is altered:-

13 / 25

A 6 V lead acid battery has an internal resistance of 0.01 ohm. How much current will flow when the battery is short circuited:-

14 / 25

In Aluminium conductor , steel core is provided  to _______________ the tensile strength:-

15 / 25

Which transformer side has a low cross sectional area:-

16 / 25

Speed control by ward leonard methods  gives uniform speed variation:-

17 / 25

No load current in  transformer legs behind the  voltage by ___________:-

18 / 25

The %age 2 by volume in atmosphere air is:-

19 / 25

Deaerative heating is done to  remove dissolve gases in the water;-

20 / 25

In a  ward leonard control the lower limit speed  is imposed by:-

21 / 25

The charging current  drawn by the cable ___________;-

22 / 25

Platinum is used in  ____________:-

23 / 25

Armouring  is provided above the bedding. The armouring  consist of  one or two layers of  ___________ wire:-

24 / 25

In an SCR circuit, the angle of conduction can be changed by:-

25 / 25

Whic DC motor will  be preferred  for machine tool;

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