What is considered to be the first heat engine?
A. reciprocating steam engine
B. rocket engine
C. water turbine
D. reaction turbine
Answer: D
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For those Africans who were sold into slavery, the middle passage can be best described as
A. the trip from the interior of Africa to the coast. B. the easiest part of their journey to America. C. the journey from American parts to their new homes. D. the gruesome ocean voyage to America. E. None of these are correct.
Low-voltage remote control switching relays use _____.
a. no coil b. a split coil c. a single coil d. four coils
The flow of protons through a circuit is called electrical current.
Answer the following statement true (T) or false (F)
Technician A says that power is the rate of doing work. Technician B says that as horsepower increases, the time required to do work increases. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician