Quiz-1

June 23, 2019

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Question 1

Time: 00:00:00
Traveling Wave Tube is ____

Oscillator

Oscillator

Tuned Amplifier

Tuned Amplifier

Wide Band Amplifier

Wide Band Amplifier

Both Amplifier & Oscillator

Both Amplifier & Oscillator

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Question 2

Time: 00:00:00
Magnetron is an __

Amplifier

Amplifier

Oscillator

Oscillator

Both a and b

Both a and b

None of these

None of these

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Question 3

Time: 00:00:00
A space between two cavities in two cavity klystron is

Drift Space .

Drift Space .

Running Space .

Running Space .

Free Space.

Free Space.

None of these.

None of these.

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Question 4

Time: 00:00:00
In multicavity klystron additional cavities are inserted between buncher & catcher cavities to achieve

Higher Gain

Higher Gain

Higher Efficiency

Higher Efficiency

Higher Frequency

Higher Frequency

Higher Bandwidth

Higher Bandwidth

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Question 5

Time: 00:00:00
A Magic – Tee is nothing but

Modification of E- Plane tee

Modification of E- Plane tee

Modification of H- Plane tee

Modification of H- Plane tee

Combination of E- plane & H- plane

Combination of E- plane & H- plane

Two E- plane tees connected in parallel

Two E- plane tees connected in parallel

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Question 6

Time: 00:00:00
Which of the following is used for amplification of microwave energy

Travelling wave tube

Travelling wave tube

Magnetron

Magnetron

Reflex klystron

Reflex klystron

Gunn diode

Gunn diode

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Question 7

Time: 00:00:00
The value of ‘α’ for a lossless line is:

1

1

Data Sufficient

Data Sufficient

Infinity

Infinity

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Question 8

Time: 00:00:00
The velocity factor of a transmission line depends on

Temperature

Temperature

SkinEffect

SkinEffect

Relation Permitivity of dielectric

Relation Permitivity of dielectric

None of these

None of these

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Question 9

Time: 00:00:00
A line has a phase constant of 29.8 rad/m. At 1000 MHz the wavelength is

0.21

0.21

0.87

0.87

0.23

0.23

0.78

0.78

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Question 10

Time: 00:00:00
If antenna diameter is increased four times, the maximum range is increased by a factor of

1.414

1.414

2

2

4

4

5

5

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["0","40","60","80","100"]
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