WINDOWS NT QUIZ

In electric traction, the specific energy consumption is measured in

Watt-hour/ ton-km

RPM/watt-hour

Watt-hour/RPM

Ton-km watt-hour

TRUE ANSWER : ?
YOUR ANSWER : ?

The number of valence electrons of P and Si are respectively?

4 and 5

3 and 4

5 and 4

4 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Observe the figure and find the correct relation from the four given options?

i1 + i2 + i6 = i4 + i5 + i3

i1 + i2 + i4 = i3 + i5 + i6

i4 + i2 + i3 = i1 + i5 + i6

i1 + i2 + i3 = i4 + i5 + i6

TRUE ANSWER : ?
YOUR ANSWER : ?

____ Lamps are used to light up sports stadiums?

Sodium vapor lamps

LED lamps

Fluorescent lamps

Incandescent lamps

TRUE ANSWER : ?
YOUR ANSWER : ?

Four relations are given below. Identify the correct relation regarding a transistor?

IE ÷ IC = IB

IE > IC < IB

IE > IC > IB

IE < IC > IB

TRUE ANSWER : ?
YOUR ANSWER : ?

For indoor lighting the range of space : height is

2 : 3

3 :4

1 : 2

5 : 6

TRUE ANSWER : ?
YOUR ANSWER : ?

A coil of 360 turns is linked by a flux of 200 μWb. If the flux is reversed in 0.01 second, then find the EMF induced in the coil?

0.72 V

14.4 V

144 V

7.2 V

TRUE ANSWER : ?
YOUR ANSWER : ?

A diode appears as in forward region of its characteristics?

A high resistor

A capacitor

An ON switch

An OFF switch

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If two impedances are given as Z1 = 20∠60° and Z2 = 5∠30°, then Z1/Z2 = ?

100∠30°

100∠120°

5∠30°

4∠30°

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YOUR ANSWER : ?

If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/r)*(At/m)

(1/4r)*(At/m)

(1/2r)*(At/m)

(1/r)*(At/Wb)

TRUE ANSWER : ?
YOUR ANSWER : ?

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