Question # 1

What is used in a computer of protect a networked server form damage buy those who long in to it?

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Antivirus

Firewall

Gateway

Glow Control

Which of he following solution is used in photography?

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Sodium thiosulfate

sodium silver

Silver bromide

Silver salt

One pound is equal to_____ kilogram:

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0.482

0.454

0.445

0.431

In cold countries glycerol is add to water in car radiators as it helps to

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Lower the specific heat of water

Lower the viscosity of water

Lower the freezing point of water

improve the lubricity

Who invented the Ball Point Pen?

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Write Brothers

Bicc Brothers

Biro Brothers

Waterman

Newton meter is unit of:

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Amount of substance

Length

Distance in Navigation

Work

The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is

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Square, because the hole is a square

Round, because it is an image of the sun

Round with a small penumbra around it

Square with a small penumbra

Which endocrine gland produces melatonin?

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Pineal gland

Thymus

Pituitary gland

Adrenal cortex

A certain amount double itself in 8 years at simple interest. At the same rate it will become 3 time din how many years?

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18 years

16 years

14 years

None of these

Which of the following is the most toxic gas?

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Carbon dioxide

Carbon monoxide

Nitrogen dioxide

Carbon & Nitrogen

What is the power factor of a pure resistor circuit?

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One

Zero

Leading

Lagging

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