1. In which decade was the ARRL founded?
A. 1940s
B. 1930s
C. 1920s
D. 1910s
2. Who invented the Seed Drill?
A. Jethro Tull
B. Arlo Guthrie
C. Woodie Guthrie
D. Thomas Hines
3. What drink was invented by Charles Leiper Grigg in 1929?
A. 7-Up
B. Yoo-Hoo
C. Pepsi
D. Hawaiian Punch
4. For what is Charles Babbage (1792-1871) remembered?
A. Computers
B. Telescopes
C. Radio-Telegraphy
D. Steam Boating
5. Who invented Automobiles using gasoline?
A. Leo H Baekeland
B. Karl Benz
C. Evangelista Torricelli
D. Kirkpatrick Macmillan
6. Who invented the battery?
A. John Wilkinson
B. Alessandro Volta
C. James Hargreaves
D. Thomas Edison
7. Where were wigs first invented?
A. Japan
B. France
C. Egypt
D. China
8. Who was the first person to patent the JET ENGINE?
A. F. Whittle
B. C. Lindbergh
C. W. Histell
D. B. Owings
ANSWERS :
1. Answer: Option D
Explanation:
On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.
2. Answer: Option A
Explanation: It was invented around the early 1700's.
3. Answer: Option A
Explanation: Grigg, who was from Missouri, originally named his creation 'Bib-Label Lithiated Lemon-Lime Soda'.
4. Answer: Option A
Explanation: Know as the Father of Computing. He began his 'Analytical Engine' in 1833. The first computer, although he never completed it.
5. Answer: Option B
Explanation: No answer description available for this question.
6. Answer: Option B
Explanation: He was an Italian scientist, and he invented the battery in 1800.
7. Answer: Option C
Explanation: As you have noticed in pictures, many Egyptians have head coverings, sometimes with beads in them. The first wigs were created to cover the head from the hot sun.
8. Answer: Option A
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.
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