Worksheets152 Engines L1 L4
Total questions: 12
Worksheet time: 6mins
The internal combustion engine operate at what temperatures?
2,500°C
2,500°F
250°C
250°F
During the process of heat transfer, when heat transfers through a solid object it is known as?
Conduction
Convection
Radiation
Combustion
What is convection?
Heat transfer through a liquid
What you get in court
Heat transfer through a solid
Heat transfer through a space
Air cooled engines in cars are rarer because?
Restrictions to body for air flow
They freeze at low temperatures
They boil at high temperatures
The water pumps are inboard.
What happens to water at 32°F ?
Ice crystals form, taking up more space
Water begins to boil
Vapour begins to bubble
It mixes with oxygen in the air
Coolant has which properties over pure water?
raised boiling point, lubricates, clears galleries, lowers freezing point
raised freezing point, lubricates, clears galleries, lowers boiling point
raised boiling point, lubricates, clears galleries, raises freezing point
raised freezing point, lubricates, clears galleries, raises boiling point
If a radiator has an header tank at top and bottom of vanes it is called?
upright
crossflow
convector
conductor
What is fitted to an engine to aid warm up?
Thermostat
Thermister
Thermometer
Nice knitted coat
What system uses wax that has it expands it induces more grip.
Viscous fan
Vicious water pump
Thermostat
Electric fan
What is component pictured?
Water pump
Air cooling motor
Air cooling pump
Wheel hub
What type of cooling system is pictured?
Thermosiphon
Air cooling
Radiation
Conductor
What is boiling point of water?
100° C
100° F
32° F
212° C
