Question # 1

PINSTECH consists of...................... research reactors.

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Two

Three

Four

Five

The frequency of the carrier waver used of radio transmission:

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30 KHZ

40 KHZ

50 KHZ

60 KHZ

Which disk consisting of metal plates for recording.

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Floopy

RAM

HARD

CD

The country, whihc launched its artificial satellite into space for the first time is

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America

France

Russia

Pakistan

A device which does not allow current to pass through it overt a certain limit:

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Switch

circuit breaker

Resistor

Fuse

Pakistan institute of Nuclear science and technology was established in;

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1960

1965

1966

The major function of electronic devices is to amplify the ........ signals.

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Stronge electric

Semi strong electric

Both a and c

weak electric

the converstion of Kinetic energy of running water to electricla energy is known as.

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Thermal power

Tidal power

Hydroelectric power

Nuclear power

the number of (101)₁₀ in decimal is equal to .......... inbinary.

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0101111

0000101

10101101

1100101

Digital singles are represented by;

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zero and 1

zero and 10

1 and 2

o and 9

America setn two space probes in.

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1979

1920

1976

1957

Frequency of ultrasound is.

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Less than 20 Hz

20 KHz

30 KHz

More than 20 khn

The first man went into space in

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1965

1961

1971

1991

Which of the following is a natural fiber:

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Teflon

Cotton

Acrylic

Nylon

Revolutionary charges have occur in last ............. years.

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30

40

50

60

Which radiation have zero mass number

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Alpha radiation

Beta ratiation

Gamma radiation

None of these

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