Question # 1

Which instrument is used to measure the continuous recording of atmospheric pressure?

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Chronometer

Algesimeter

Audiometer

Barograph

Which of the noble gasses, discovered in 18898 is characterize by its bright orange and green spectral lines ?

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Krypton

Neon

Helium

Radon

What was the firs ARPANET massage?

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''Hello World''

''Lo''

Sir

Done

The direction of vibration of practices with respect t wave direction in transverse wave is_

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30 degree

45 degree

Right angle

parallel

Ina refrigerator, cooling is produced by?

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The evaporation of a volatile liquid

The sudden expansion of a compressed gas

The ice which deposits on the freezer

None of the above

What is the mane of the card filing system the rotates on a cylinder?

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Rolodex

Card spinner

Search a Card

Card holder

Which famous compute company was born in a garage at 367, Addison Avenue?

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IBM

DCE

Hewlett Packard

Compaq

A train 100 meters long takes 6 seconds to cross a man walking at 5km/h in a direction opposite to that of the train. find the speed of the train:

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55

50

45

53

The blue color of the water the in the sea is due to:

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Refraction of the blue light by the impurities in sea water

Absorption of other colours except the blue colour by water molecules

Scattering of blue light by waters molecules

One centimeter is equal to ____inches

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0.03937

0.00393

0.3937

0.03739

One cubic yard is equal to _ cubic m

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0.785

0.755

0.765

0.795

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