engine nomenclature, construction and design

Question 1

Provides space in which the piston operates

Answer 1

Cylinder and cylinder block

Question 2

Provides space above the cylinder and piston, also known as the combustion chamber

Answer 2

Cylinder head

Question 3

Used to draw fuel, compress it and receive the power impulse of resulting expanded gas

Answer 3

Piston

Question 4

Used to retain compression and reduce wall contact

Answer 4

Piston rings

Question 5

Attaches the piston to the upper end of the connecting rod

Answer 5

Piston pin

Question 6

Transmits power received from the piston to the crankshaft

Answer 6

Connecting rod

Question 7

Receives power and transforms the reciprocating motion of the piston into rotary motion

Answer 7

Crankshaft

Question 8

Acts as balance wheel to make the engine turn evenly

Answer 8

Flywheel

Question 9

Supports and encloses the crankshaft and camshaft; Provides lubricating oil reservoir

Answer 9

Crankcase

Question 10

Provides the engine with gates for fuel and air entry, and exhaust of the products of combustion

Answer 10

Valve system

Question 11

Provides uninterrupted supply of clean and combustible fuel and air

Answer 11

Fuel supply system

Question 12

Provides supply of electricity needed to operate the spark plugs

Answer 12

Ignition and electrical system

Question 13

Maintains engine’s operating temperature and assists in rapid engine warm up

Answer 13

Cooling system

Question 14

Reduce friction and wear on moving parts

Answer 14

Lubrication system

Question 15

Maintains engine speed and power at any operating condition

Answer 15

Governing system

Question 16

Engine type (according to no. of cylinder)

Answer 16

Single and multi-cylinder

Question 17

Engine type (according to cylinder arrangement)

Answer 17

In-line, Radial an V-type

Question 18

Engine type (according to method of cooling)

Answer 18

Air cooled, water cooled, and combination

Question 19

Engine type (according to fuel)

Answer 19

Gasoline fed engines and Diesel fed engines

Question 20

Engine type (according to electricity source)

Answer 20

Battery operated and Magneto

Question 21

Engine type (according to valve system)

Answer 21

Flat head and Valve in head

Question 22

Engine type (according to method of starting)

Answer 22

Manually started and Electronically started

Question 23

The crankshaft gear (1D) and the camshaft gear (2D)

Answer 23

Timing gears

Question 24

Marks at the crankshaft and camshaft gears to maintain timing of the valves

Answer 24

Timing marks

Question 25

Arrangement of valve operating parts for it to operate correctly

Answer 25

Valve timing

Question 26

Proportion of air and fuel mixture for maximum power and economy

Answer 26

Air fuel ratio (15:1)

Question 27

Mixture of fuel when the air is more than the needed amount

Answer 27

Lean mixture (18:1)

Question 28

Mixture of fuel when air is less than what is needed

Answer 28

Rich mixture (10:1)

Question 29

Anti-knocking quality of gasoline determined by comparing it to standard fuel

Answer 29

Octane Rating

Question 30

Ignition quality of diesel fuel determined by comparing it to standard fuel

Answer 30

Cetane Rating

Question 31

A device that forces more air of fuel mixture, increasing volumetric efficiency and power output

Answer 31

Turbocharge/Supercharge

Question 32

Seeks to limit the vehicle's toxic gas

Answer 32

Euro emission standard

Question 33

Used to provide a site for oxidation and reduction of toxic by-products in exhaust system

Answer 33

Catalytic converter

Question 34

Cell that can only be restored by renewing the materials that had been changed when fully discharged

Answer 34

Primary cell

Question 35

Cell that can be restored by sending an electric current through it in the direction opposite of the discharge

Answer 35

Secondary cell

Question 36

Battery commonly used in tractors often 2 volts per cell

Answer 36

Lead acid battery

Question 37

Solution used on lead acid batteries and often consists of 2:5 sulfuric acid to distilled water

Answer 37

Electrolyte

Question 38

Formation of lead sulfate at the bottom of the container due to delayed charging; most common battery trouble

Answer 38

Sulfation

Question 39

CDI

Answer 39

Capacitor Discharge Ignition

Question 40

Ignition voltage requirement

Answer 40

25,000 to 40,000 Volts

Question 41

Type of spark plug used on high speed engines with short heat paths

Answer 41

Cold plug

Question 42

A device connected to the ignition which eliminates arcing of the breaker points

Answer 42

Condenser / capacitor

Question 43

A device necessary to distribute the secondary voltage to each spark plug.

Answer 43

Distributor

Question 44

Parts of Air Cooling System

Answer 44

Cooling fins, shroud, fan

Question 45

Parts of Water Cooling System

Answer 45

Water tank (radiator), water hoses and clamps, water jacket, water pump

Question 46

Parts of Combination Air and Water Cooling System

Answer 46

Radiator, water hoses and clamps, water jackets, water pump, thermostat, fan

Question 47

ICE Heat Balance

Answer 47

TE - 23%, 5% friction, 30% coolidn, 35% exhaust gases, 7% radiation and other losses

Question 48

Ranger of operating temperature for cooling systems

Answer 48

76.6 C to 93.3 C (170 F to 200 F)

Question 49

A heat sensitive device that restricts the flow of coolant depending on water temperature

Answer 49

Thermostat

Question 50

Parts of Mixed Lubrication System (2SCE)

Answer 50

Oil tank and Metering device

Question 51

Parts of Splash type Lubrication System

Answer 51

Oil pan and Dipper or oil ring gear

Question 52

Parts of Full pressure type Lubrication System

Answer 52

Oil pan, oil pump, oil filter, oil pressure gauge, by-pass or safety valve and oil lines

Question 53

A semi-solid or non-flowing lubricant used on wheel bearings, joints, and shackles

Answer 53

Grease

Question 54

Relatively thin, free flowing oil for enginer

Answer 54

Motor Oil

Question 55

Heavier, high viscosity oil for transmission gears and bearings

Answer 55

Gear Oil

Question 56

Most important quality of lubricating oil

Answer 56

Viscosity