CAT Questions

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National Productivity Council (NPC) is celebrating National Productivity week from February 12th to 18th, 2019. This year its theme is "Circular Economy for Productivity & Sustainability”.

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Tyres that are used in an Aircraft for landing are tubeless tyres.

World Wetlands Day is celebrated every year on 2nd February. This year’s World Wetlands Day under the theme of "Wetlands and Climate Change".

Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.

Materials that usually allow electricity to pass through them are called Good conductors of electricity.

Conductors conduct electrical current very easily because of their free electrons.

Examples are :: Aluminium, Gold, Copper, Silver

Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.

Examples are :: Glass, Plastic, Wood, Air,...

Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.