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Check your knowledge! Take our fun quiz for the advanced Commercial Aircraft Section of the Vehicles Chapter of our textbook! Follow the instructions and then click on the "Check it!" button for each question.

Advanced Activities: Commercial Aircraft

1.	Commercial Aircraft can be defined as privately owned airplanes that offer scheduled service to passengers and shippers of cargo. (Check the correct answer.)
	True False

2.	Most commercial airplanes are larger than General Aircraft planes and are designed to carry passengers and cargo from one location to another on a regular schedule. (Check the correct answer.)
	True False

3.	The commercial airline industry has grown from a few airplanes to that of a multi-billion dollar industry in less than _______ years. (Check the correct answer.)
	50 70 90

4.	Commercial aviation dates back to _______. (Check the correct answer.)
	1810 1910 1919

5.	On June 22 _______, the first regular passenger-carrying airship service began. (Check the correct answer.)
	1810 1910 1919

6.	By 1920 the United States Post Office extended from New York to California. (Check the correct answer.)
	True False

7.	In 1925 the Post Office started using private contractors for their Airmail service. Name the "Big Four": (Fill in the blanks.)
	1. 2. 3. 4.

8.	Airspeeds and seating capacity of commercial aircraft saw a great increased during the _______. (Check the correct answer.)
	1920's 1930's 1940's

9.	During the _______ jet engines were developed. (Check the correct answer.)
	1920's 1930's 1940's

10.	The world's first large commercial jet airliner was built and flown in the year _______. (Check the correct answer.)
	1952. 1962. 1972.

The De Havilland Comet flew nearly _______ mph with little vibration or noise.

11.	(Check the correct answer.)
	500 700 900

12.	Safety is a top priority. Name four safety features: (Fill in the blanks.)
	1.Emergencyhelp passengers slide down off the airplane. 2.Androps if the air gets to thin to breathe. 3.Theis used in case of a water crash. 4.A secures each passenger to his seat.

13.	What does "supersonic" mean? (Check the correct answer.)
	very loud sound Faster than the speed of light Faster than the speed of sound

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