AUT108 Week 10 Quiz Alternate Fuels

Tech A says that oil consumption for compressed natural gas vehicle (CNGV) engines is three times higher than for gasoline engines. Tech B says that a lot of room is needed for CNGV cylinders. Who is correct?

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Tech A states that LPG is lighter than air. Tech B states that LPG is the least carbon-emitting hydrocarbon fuel available. Who is correct?

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In some applications, such as urban transit passenger buses, as many as eight or more CNG cylinders are mounted on the roof and are encased in a special _______ enclosure.

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CNG cylinders come in _______ types, ranging from heaviest to lightest.

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An advantage of using ethanol is that it is a renewable energy source.

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_______ has several advantages over ethanol, such as higher energy content, lower water absorption, and better blending ability.

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With this type of electric motor, the rotor is made from very powerful rare earth permanent magnet alloys typically, neodymium-iron-boron or samarium-cobalt.

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_______ turns off the ICE when the vehicle is at a standstill.

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Identify the type of hybrid drive configuration in which the engine always drives the wheels and keeps the batteries charged for starting from rest or when accelerating rapidly.

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Tech A states that a silent or still vehicle is an indication of a vehicle that is turned off. Tech B states that one should not assume that the vehicle is turned off because it is silent or still. Who is correct?

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