sstadina9

08.08.2020 21:42

Английский язык

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1.What type of engine was used first in aviation? * turbofan engine

piston engine

turboprop engine

2.How many categories can be divided the different types of airplane engines? *

into three

into five

into six

3.What are the three categories of different types of airplane engines? *

turbofan, pulse, rocket

uncomplicated, ram, bypass

piston, jet, turboprop

4.What's the purpose of airplane engines? *

to provide lift to push an aircraft through the air and overcome the force of drag

to provide thrust to push an aircraft through the air and overcome the force of drag

to provide drag to push an aircraft through the air and overcome the force of drag

5.What are the parts of piston engine? *

cylinder case, head, cylinders, piston, crankshaft, landing gear

cylinder case, head, cylinders, piston, crankshaft, gear box

cylinder case, head, cylinders, piston, crankshaft, piston rods, etc.

6.When did piston aircraft engines reach their zenith? *

during World War II

in XXI century

during World War I

7.How are the aircraft engines classified? *

reciprocating and gas tubine

turbine and gas tubine

rocket and gas tubine

8.Who first installed the internal combustion engine on an aircraft? *

Wright brothers

L. Blerio

N. Nesterov

9.Which engines were the only type of aircraft engine until 1939? *

piston engines

jet engines

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