EGEE 101 Unit 2 Exam 2025 Questions
and Answers
Between 1985 and _____ there was a period of no gains in the efficient of passenger vehicles
(automobiles). Regulations required efficiency gains to reduce fuel consumption to reduce emissions
and reduce reliance on imported crude oil. - Correct Answer✔️✔️-2009
Maintaining the tire pressure levels - Correct Answer✔️✔️-1) Prolong tire lifetime
2) Maintain higher mpg
Sugar cane & corn are used to make _____ - Correct Answer✔️✔️-ethanol
The _____ the mpg the more gasoline is needed - Correct Answer✔️✔️-Lower
Cars on average last ____ years - Correct Answer✔️✔️-12
Increase in population, results in an increase in cars, which results in an increase in _____ - Correct
Answer✔️✔️-Population
Maintaining the tire pressure levels: - Correct Answer✔️✔️-1) Prolong tire lifetime
2) Maintain higher mpg
Four Basic Engine Strokes - Correct Answer✔️✔️-1) Intake Storage
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,2) Compressors
3) Combustions
4) Exhaust
_____ starts the car - Correct Answer✔️✔️-Lead Acid Battery
Variations in the production and quality of the gasoline sometimes causes _____ - Correct
Answer✔️✔️-Knocking
_____ is the violent shaking of the engine - Correct Answer✔️✔️-Knocking
Banned substances added to gasoline tetraethyl lead - Correct Answer✔️✔️-Octane Booster
Compounds
Gases car exhausts produce that are of environmental concern - Correct Answer✔️✔️-1) CO2
2) NOx
3) Unburned hydrocarbons
4) Carbon Monoxide
European cars are smaller - Correct Answer✔️✔️-1) Increase Efficiency
2) Cheaper vehicles
3) Ability to park
_____ is a product of incomplete combustion - Correct Answer✔️✔️-Carbon Monoxide
_____ replaced tetraethyl lead - Correct Answer✔️✔️-MTBE
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
, ____ is lethal, odorless, and colorless - Correct Answer✔️✔️-CO
____ prevents hemoglobin from delivering oxygen - Correct Answer✔️✔️-CO
_____ in MBTE permits better mixing of oxygen and fuel (less Co2 produced) - Correct
Answer✔️✔️-Oxygen
_____ reduces CO concentration (functions better in hot weather) - Correct Answer✔️✔️-
Catalytic Convertor
A health issue in the summer formed by primary pollutants (NOx) - Correct Answer✔️✔️-Smog
Oxygen in MBTE makes it ______ - Correct Answer✔️✔️-Soluble in water
_____ lower CO, NOx, and hydrocarbons - Correct Answer✔️✔️-Catalytic Convertors
Catalytic convertor highly active surface area - Correct Answer✔️✔️-Aceramic Honeycomb
____ is a catalyst poison - Correct Answer✔️✔️-Sulphur
3 catalysts to have correct air to fuel ratio - Correct Answer✔️✔️-1) Rhodium (Rh
2) Platinum (Pt)
3) Palladium (Pd)
Fuel prices vary due to ____ - Correct Answer✔️✔️-Tax
Size of the car influences - Correct Answer✔️✔️-1) Mass
2) Aerodynamics
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
and Answers
Between 1985 and _____ there was a period of no gains in the efficient of passenger vehicles
(automobiles). Regulations required efficiency gains to reduce fuel consumption to reduce emissions
and reduce reliance on imported crude oil. - Correct Answer✔️✔️-2009
Maintaining the tire pressure levels - Correct Answer✔️✔️-1) Prolong tire lifetime
2) Maintain higher mpg
Sugar cane & corn are used to make _____ - Correct Answer✔️✔️-ethanol
The _____ the mpg the more gasoline is needed - Correct Answer✔️✔️-Lower
Cars on average last ____ years - Correct Answer✔️✔️-12
Increase in population, results in an increase in cars, which results in an increase in _____ - Correct
Answer✔️✔️-Population
Maintaining the tire pressure levels: - Correct Answer✔️✔️-1) Prolong tire lifetime
2) Maintain higher mpg
Four Basic Engine Strokes - Correct Answer✔️✔️-1) Intake Storage
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,2) Compressors
3) Combustions
4) Exhaust
_____ starts the car - Correct Answer✔️✔️-Lead Acid Battery
Variations in the production and quality of the gasoline sometimes causes _____ - Correct
Answer✔️✔️-Knocking
_____ is the violent shaking of the engine - Correct Answer✔️✔️-Knocking
Banned substances added to gasoline tetraethyl lead - Correct Answer✔️✔️-Octane Booster
Compounds
Gases car exhausts produce that are of environmental concern - Correct Answer✔️✔️-1) CO2
2) NOx
3) Unburned hydrocarbons
4) Carbon Monoxide
European cars are smaller - Correct Answer✔️✔️-1) Increase Efficiency
2) Cheaper vehicles
3) Ability to park
_____ is a product of incomplete combustion - Correct Answer✔️✔️-Carbon Monoxide
_____ replaced tetraethyl lead - Correct Answer✔️✔️-MTBE
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
, ____ is lethal, odorless, and colorless - Correct Answer✔️✔️-CO
____ prevents hemoglobin from delivering oxygen - Correct Answer✔️✔️-CO
_____ in MBTE permits better mixing of oxygen and fuel (less Co2 produced) - Correct
Answer✔️✔️-Oxygen
_____ reduces CO concentration (functions better in hot weather) - Correct Answer✔️✔️-
Catalytic Convertor
A health issue in the summer formed by primary pollutants (NOx) - Correct Answer✔️✔️-Smog
Oxygen in MBTE makes it ______ - Correct Answer✔️✔️-Soluble in water
_____ lower CO, NOx, and hydrocarbons - Correct Answer✔️✔️-Catalytic Convertors
Catalytic convertor highly active surface area - Correct Answer✔️✔️-Aceramic Honeycomb
____ is a catalyst poison - Correct Answer✔️✔️-Sulphur
3 catalysts to have correct air to fuel ratio - Correct Answer✔️✔️-1) Rhodium (Rh
2) Platinum (Pt)
3) Palladium (Pd)
Fuel prices vary due to ____ - Correct Answer✔️✔️-Tax
Size of the car influences - Correct Answer✔️✔️-1) Mass
2) Aerodynamics
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
