Question # 1

First photocopier was made in 1938, who invented it?

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Arthur Korn

Chestor Carison

Philo Fransworth

Georg Biro

Which one of he most eficient converter of sunlight?

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Sugarcane

Rice

papaya

Wheat

Which instrument is used to measure viscosity?

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Thermocouple

Thermometer

Thermostat

Viscometer

For generating large currents on D.C generators which winding is generally Preferred?

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progressive wave winding

Lap winding

Retrogressive wave winding

Current depends on design

The best material for the core of a transformer is

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Stainless steel

Mild steel

Hard steel

Soft iron

Which device is used to measure radioactivity?

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infrared Pedometers

Barometer

Geiger-Muller tube

Eratosthenes

The material used for bleaching paper pulp is?

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Caustic soda

Sodium

Lime

Alum

Oxygen is our blood is transported by a protein named

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Haemoglobin

Keratin

Collagen

Myoglobin

A ''biological death'' take place when

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There is no pulse and heat beat

Pupils show no reaction to light

All the body cells die after a few hours of clinical death

Pupils are fixed and dilated

Name the scientist who first coined the electrical terms - positive and 'negative?

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Michael Faraday

George Ohm

Ander Mari Ampere

Benjamin Franklin

Hydrogen has the tendency to gain one electron to acquire helium configuration. In this tendency, it resembles

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Alkali metals

Inert gases

Alkaline metals

Halogens

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