1. However, four ________ of the piston - two up and two down are
needed to complete the cycle. Kuitenkin, neljä männän iskua - kaksi
ylös ja kaksi alas - tarvitaan täyteen työkiertoon.
A) remains
B)strokes
C)intakes
D)openings
E) powers
Monivalintatehtävä Merkitse oikeat vaihtoehdot.
Fuel-air mixture is drawn into cylinder from _________ through
open intake valve by down stroke of piston
A)carburettor
B)power
C)cylinder
D)crankshaft
E)sealing
Monivalintatehtävä Merkitse oikeat vaihtoehdot.
Mixture is compressed by up stroke of piston. Both ___________
and exhaust valves are closed
A)intake
B)cylinder
C)carburettor
D)sparking plug
E)stroke
Monivalintatehtävä Merkitse oikeat vaihtoehdot.
1. However, four ________ of the piston - two up and two down
are needed to complete the cycle. Kuitenkin, neljä männän
iskua - kaksi ylös ja kaksi alas - tarvitaan täyteen
työkiertoon.
A) remains
B)strokes
C)intakes
D)openings
E) powers
Mixture is compressed by up stroke of piston. Both
___________ and exhaust valves are closed
A)intake
B)cylinder
C)carburettor
D)sparking plug
E)stroke
Compresed mixture is ignited by ___________ and
expanding gases force piston to bottom of cylinder
A)carburettor
B)power
C)sealing
D)exhaust
valve
E)spark plug
Piston on up-stroke forces burned gases from
_________ through open exhaust valves. Männän ylös
suuntautuva isku pakottaa palaneet kaasut sylinteristä.
A)exhaust
manifold
B)cylinder
C)piston
D)power
E)remain
Monivalintatehtävä Merkitse oikeat
vaihtoehdot.
The intake stroke starts with the piston near the
top and ends shortly after the bottom of its stroke.
The intake valve is opened, _______ the cylinder as
the piston moves down to receive the fuel-air mixture.
The valve is then closed, sealing the cylinder.
A)running
B)sparking
C)sealing
D)allowing
E)breaking
The power stroke begins when the piston almost
_______ the top of its stroke and the fuel-air
mixture is _______.
A)
remains
B)
reaches
C)
ignites
D)
ignited
E)
escapes
As the mixture burns and expands, it forces the
piston down on its power stroke The valves
_________ closed so that all the force is exerted
on the piston.
A)reach
B)remain
C)escape
D)compress
E)exhausts
As the mixture burns and expands, it forces
the piston down on its power stroke. The valves
_________ closed so that all the force is
exerted on the piston.
A)crankshaft
B)piston
C)opened
D)closed
E)escaped
When the piston reaches the top, the
exhaust valve is closed and the piston is
ready for a new four stroke cycle, intake,
compression, _______ and exhaust.
A)
power
B)
escape
C)work
stroke
D)
ignition
E)
injection
