Inventions Section 1 - General Knowledge Questions and Answers

Inventions - Section 1

76.

What Frank Whittle invented?

A.	Radar
B.	इथाइल गैसोलीन
C.	सोनार
D.	जेट प्रोपल्शन

77.

When was the first Lionel trains manufactured?

A.	1920
B.	1890
C.	1901
D.	1944

78.

What George Pullman invented?

A.	Sleeping (railway) car
B.	हवाई पोत
C.	बॉक्स कार (रेलवे)
D.	एयर ब्रेक

79.

Who invented Bakelite?

A.	Charles Goodyear
B.	लियो हेन्द्रिक बैकलैंड
C.	रॉय प्लंकेट
D.	हेनरी फोर्ड

80.

What toy was invented by Joshua Lionel Cowen around 1900?

A.	Raggedy Ann doll
B.	योयो
C.	विद्युत रेलगाड़ी
D.	टिंकर खिलौने