When a carrier is conveying intelligence by simply turning it on or off according to a prearranged code, this type of transmission is called ____________

A. continuous wave
B. sine wave
C. square wave
D. cosine wave


A

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What type of belt is most commonly used to drive a truck alternator?

A. Vee B. Double Vee C. Square section D. Serpentine 

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Collar occurs in legumes

Indicate whether the statement is true or false

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When combustible metals such as aluminum, magnesium, titanium, zirconium, sodium, and potassium are used to fuel a fire, it would be deemed what Class of fire?

A. Class A B. Class B C. Class C D. Class D

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