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4 stroke

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

TDC stands for?

a)

torque dead center

b)

timing directed compression

c)

timing diesel compression

d)

top dead center

2.

BDC means "bottom dead center"?

a)

false

b)

true

3.

crankshaft

a)

рабочий цикл

b)

коленвал

c)

поршень

d)

сгорание

4.

What is it?

a)

chamber

b)

valve

c)

piston

d)

spark plug

5.

The four strokes of an internal combustion engine are

a)

in, out, combustion, exhaust

b)

intake, out take, compression, power

c)

intake, compression, power, exhaust

d)

in, out, power, compression

6.

On the compression stroke ..........

a)

the intake valve is closed and the mixture is compressed

b)

the intake valve opens and the mixture is compressed

c)

the intake and the exhaust valves are opened and the mixture is compressed

7.

On the inlet stroke..............

a)

the intake and the exhaust valves are closed

b)

the intake valve is closed

c)

the intake valve opens

8.

The internal combustion engine is called so because fuel is burned…

a)

inside the engine

b)

under the engine

c)

next to the engine

d)

outside the engine

9.

what is it?

a)

power

b)

exhaust

c)

crankshaft

d)

intake

10.

The four stroke engine cycle begins with the _______ stroke.

a)

power

b)

intake

c)

compression

d)

exhaust

11.

On the power stroke ......

a)

the intake valve is closed, spark plugs ignite the mixture

b)

the intake valve opens, spark plugs ignite the mixture

c)

spark plugs ignite the mixture, valves are closed.

12.

In the inlet stroke the piston

a)

in the middle

b)

moves down

c)

moves up

13.

On the exhaust stroke .........

a)

the intake and the exhaust valves are opened

b)

the intake valve is closed

c)

the intake and the exhaust valves are closed

d)

the exhaust valve opens; the intake valve is closed

14.

What is it?

a)

power stroke

b)

exhaust stroke

c)

inlet stroke

d)

compression stroke

15.

What is this?

a)

valves

b)

gears

c)

pistons

d)

spark plugs

16.

Chamber-сгорание?

a)

True

b)

False

17.

сгорание-combustion

a)

True

b)

False

18.

There are three strokes in the operation of the 4-stroke petrol engine

a)

True

b)

False

19.

ход работы

a)

stroke

b)

work

c)

job

d)

srtoke

20.

what is it?

a)

valve

b)

combustion

c)

piston

d)

connecting rod

21.

какой такт?

a)

power stroke

b)

comression stroke

c)

inlet stroke

d)

exhaust stroke

22.

what is it?

a)

exhaust stroke

b)

power stroke

c)

comression stroke

d)

inlet stroke

23.

3й такт в работе ДВС

a)

comression stroke

b)

power stroke

c)

exhaust stroke

d)

inlet stroke