Question # 1

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 meant by the term ' Hypertext'

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That links a PC to server

Text which is used between a PC and ISP

Text which can be read with special software

Text that links to other information software

_________ deals with diseases

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pathology

Carpology

Histology

Cryogenics

According to lgor Sikorsky , he just added an engine to a Leonard da Vinci Design. What did he invent in 1939?

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Jet Plane

Submarine

Hovercraft

Helicopter

What is the science of sound?

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Taxidermy

Stenography

Paleontology

Acoustics

Moisture can be removed form lubricating oil using

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Tubular centrifugal

Clarifies

Sparkler filter

Vacuum leaf filter

Philately is study of:

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Stamp collection

Art of compiling Book

Art of arrangement of flowers

Art of compiling dictionary

The control center of cell is what?

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Cytoplasm

Mitochondria

Nucleus

DNA

Which is not a telescope?

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Microscope

Reflector

Dobsonian

Refractor

What does a philologist study?

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Word pronunciation

Languages

Learning

Autography

A fresh egg sinks in pure water but floats in a saline water because:

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Saline water is denser than pure water

Saline water is lighter than pure water

Viscosity of saline water is higher than

Surface tensiton of saline water is lower tan of pure water

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