Aerospace Dimensions #2 Study Questions

The engine is called a powerplant when its __________ is used to run other accessories, such as the electrical system, cockpit heat and air-conditioning. a. design b. rod c. energy d. crankshaft

The piston of the internal combustion engine has rings which ________the gases in the cylinder and prevents any loss of power around the sides of the piston. a. release b. reverse c. seal d. dispose

The mechanical "door" that momentarily opens to get the burned gases out of the cylinder is called the __________. a. radial b. manifold c. valve d. mount

The standard configuration for a general aviation aircraft engine is to have _____ to ________ cylinders opposite each other. a. four to six b. six to eight c. eight to ten d. four to eight

Gasoline and air are considered a mixture until they get inside the _________ __________ and are ignited, causing oxidation. a. intake manifold b. closed cylinder c. cylinder head d. connecting rod

The stoichiometric ratio contains 15 parts air to ________ part(s) gasoline and in theory, when ignited, all of the fuel is burned. a. two b. six c. nine d. one

When a fuel mixture contains less fuel and more air, it is said to be __________. a. heavy b. rich c. lean d. poor

Pilots control the mixture of air and fuel from the cockpit by using the ____________________. a. throttle b. mixture control c. primer d. vents

The _______________ is especially important for starting the airplane. a. venturi b. circuit breakers c. throttle d. battery

The __________ has to be on to engage the starter. a. master switch b. circuit breaker c. spark plug d. manifold

The chamber that holds gasoline until it is needed is called the ______________ chamber. a. stand-by b. venturi c. float d. fuel

In a jet engine, the excess energy is expelled out the tail pipe as ____________. a. lift b. thrust c. drag d. electricity

One of the most important operations inside an engine is _________________. a. lubrication b. revolutions c. electricity d. cooling

An instrument that is a glass tube filled with mercury and measures the pressure of the atmosphere is called a _____________________. a. Fahrenheit thermometer b. Vertical Velocity Indicator c. Pilot speedometer d. Torricelli barometer

The instrument in an airplane that compares to the speedometer in a car is the ___________________. a. airspeed indicator b. altimeter c. oil pressure gauge d. tachometer