Questions

Thermoset, or thermosetting, plastics are synthetic materials that strengthen during being heated, but cannot be successfully remouldedor reheated after their initial heat-forming. This contrasts withthermoplastics, which soften when heated and harden and strengthen after cooling. Thermoplastics can be heated, shaped and cooled as often as necessary without causing a chemical change, while thermosetting plastics will burn when heated after the initial moulding.

Gamma rays has the shortest wavelength and radio waves has the longest wavelength.

The system unit of a personal computer typically contains microprocessor, disk controller and serial interface but it does not contain modem.

New York City Subway has 468 stations (277 of which are under ground) in a network covering 370 km (230 miles)

A Donut or Doughnut. Anything in the shape of a torus.

Aruna Budda Reddy has created history by becoming the first Indian to win an individual medal at the Gymnastics World Cup in Melbourne, Australia. She clinched a Bronze medal in the Women’s Vault.

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