Parts of Engine

Question 1

Confines the expanding gases and forms the combustion chamber

Answer 1

Cylinder

Question 2

Forms a cover on one end of the cylinder

Answer 2

Cylinder Head

Question 3

Covers the other end of the cylinder, slides the cylinder to transmit the force of the expansion to the connecting rod and drives the crankshaft into motion

Answer 3

Piston

Question 4

Tight seal against the cylinder wall

Answer 4

Piston rings

Question 5

Transmits power of combustion from piston to crankshaft

Answer 5

connecting rod

Question 6

reciprocating motion of piston to rotary motion

crank plus 2 bearing supports

Answer 6

crankshaft

Question 7

store energy (power stroke)
gives energy (idle stroke)
uniform rotation

Answer 7

Flywheel

Question 8

Open and close ports into and out of combustion chamber

Answer 8

Valves

Question 9

Produces spark to initiate ignition

Answer 9

Sparkplug

Question 10

Covers crankshaft and holds oil

Answer 10

crankcase

Question 11

meters fuel and air mixture

Answer 11

carburetor

Question 12

5-8:1 Compression ratio

Answer 12

GE

Question 13

14-22:1 CR

Answer 13

DE

Question 14

25-30% Thermal eff

Answer 14

GE

Question 15

30-36% therm eff

Answer 15

DE

Question 16

12-15:1 Air-fuel ratio

Answer 16

GE

Question 17

15-100:1 Airfuel ratio

Answer 17

DE

Question 18

1300F exhaust gas temp

Answer 18

GE

Question 19

900F exhaust temp

Answer 19

DE

Question 20

diameter of cylinder

Answer 20

bore

Question 21

length of BDC to TDC

Answer 21

stroke

Question 22

volume at TDC

Answer 22

CV

Clearance volume

Question 23

volume at BDC

Answer 23

Total volume

Piston displacement + Clearance Volume

Question 24

Volume displaced

Answer 24

Piston Displacement

Question 25

3-15HP single axle, 3-4 kph plowing speed

Answer 25

2W tractor

Question 26

15-100HP, double axle, 4-8kph plowing speed, 3point hitch implement

Answer 26

4W Tractor

Question 27

tractor <32HP

Answer 27

Compact

Question 28

tractor 32-49

Answer 28

SLT

Question 29

tractor 50-69HP

Answer 29

SLMT

Question 30

tractor 70-89HP

Answer 30

SMT

Question 31

tractor 90HP above

Answer 31

SHT

Question 32

load is connected directly to engine using flange device

100% transmission eff

Answer 32

direct coupling

Question 33

less than 100% transmission eff (slippage)

Answer 33

belt/pulley

Question 34

clutch action is obtained by shifting belt from loose to tight

Answer 34

3rd pulley