Important Inventions and Discoveries in World – Exercise – 1

41. When was Milk Tray first introduced?

(a) 1915
(b) 1934
(c) 1923
(d) 1942

Answer
Answer : (a)
Explanation
Explanation :  Milk Tray was introduced in 1915 in open boxes arranged on wooden trays. Today, with its distinctive purple and gold cartons and popularised by the “Man in Black” television adverts, its one of the most popular chocolate assortments. Let us discuss.
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42. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?

(a) 1828
(b) 1831
(c) 1825
(d) There is no sure date

Answer
Answer : (d)
Explanation
Explanation :  No one knows for sure when the first chocolate bar appeared or even who made it, but an important event occurred in 1828. The Van Houten press was invented, which extracted cocoa butter from the bean – the same press that brought the Cadbury Brothers success with Cocoa Essence. Let us discuss.
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43. Who was the first person to patent the JET ENGINE?

(a) F. Whittle
(b) C. Lindbergh
(c) W. Histell
(d) B. Owings

Answer
Answer : (a)
Explanation
Explanation :  British inventor Frank Whittle was the first to patent his design for a jet engine in 1930. Although an engine designed by Dr. Hans Von Ohain was the first to fly in 1939. Whittle’s jet engine first flew in 1941. Let us discuss.
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44. Who came up with the idea for INSTANT MASHED POTATO?

(a) S. Tuberosum
(b) W. Raleigh
(c) E. Asselbergs
(d) K. Edwards

Answer
Answer : (c)
Explanation
Explanation :  Instant mash was invented by Edward A Asselbergs, a Canadian, in 1962. The mash is actually dehydyated potato flakes. Let us discuss.
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45. It travels over land and water. Who invented the HOVERCRAFT?

(a) S. Sperrow
(b) O. Stricheg
(c) T. Henman
(d) C. Cockerell

Answer
Answer : (d)
Explanation
Explanation :  Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower. Let us discuss.
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