Automative and tractor engines MCQs
Automative and tractor engines MCQs
Answer these 70 Automative and tractor engines MCQs and see how sharp is your knowledge of Automative and tractor engines.
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1: What is used to increase the pressure of the refrigerant?
A. A/C compressor
B. Refrigerant line
C. A valve
D. Expansion valve
E. A cap
2: What is the function of the A/C drain hose?
A. To allow the air conditioner to function in colder temperatures
B. To drain condensation from the car
C. To evacuate the A/C system in case of a power failure
D. To allow air to escape from the A/C unit during operation
E. To drain condensation from the air conditioner evaporator
3: What is the name of the connection between an accelerator pedal and a vehicle's throttle body or carburetor?
A. Accelerator pedal linkage
B. Fuel line
C. Clutch cable
D. Air intake
4: The force exerted by the flowfield of air is known as what?
A. Vorticity
B. Friction
C. Pressure
D. Prandtl-Glauert force
E. Aerodynamic drag
5: What does the air pump filter eliminate?
A. Pollutants
B. Hair
C. Contaminants
D. Dust
6: What is the purpose of an Anti-Theft device?
A. Stopping a thief before they can steal anything
B. Preventing a vehicle from being stolen
C. Alerting the owner if their vehicle has been stolen
D. Helping the owner locate their vehicle if it is stolen
E. Preventing the car from being used in a crime
7: What type of sensor is used for backup assistance?
A. Park distance sensor
B. Vehicle speed sensor
C. Pedestrian sensor
D. Speedometer
E. Stop distance sensor
8: What is the name of the measurement used to describe the length of a pickup truck's cargo box?
A. Width measurement
B. Box height measurement
C. Bed length measurement
9: Where is the blind spot located on a vehicle?
A. The area on the roof of a vehicle
B. The area in front of the vehicle
C. The area behind and to the side of a vehicle
10: What does the term blind spot detection mean?
A. The failure to see things that are in front of you
B. A warning signal that tells you when someone is coming up behind you
C. A computerized system that detects objects and warns you when they are in your blind spot
D. An electronic system that warns you when there are other cars or motorcycles in your blind spot
E. The failure to recognize people or objects that are in your field of view
11: What is the purpose of the brake lining in disc brakes?
A. Material that reduces noise and vibration
B. Reducing noise and vibration
C. High-friction, heat-resistant material
12: What devices could potentially be disabled to prevent injury to children?
A. Steering wheel, car seats, and/or windows
B. Television, video games, and/or radios
C. Toys and/or bicycles
D. TV, video game systems, and/or radios
E. Windows, door locks and/or passenger airbag
13: What devices are used to maintain a constant temperature?
A. Radiators
B. Heating and air conditioning systems
C. Thermostats
14: What helps disengage the clutch from the flywheel?
A. Ratchet wheel
B. Pressure plate
C. Springs
D. Clutch fluid
E. Foot brake
15: Collapsible steering columns reduced the risk of injury to the driver in what circumstance?
A. A head-on crash
B. Steering column failure in a turn
C. Hard frontal impact
D. A rollover
16: What type of insurance covers damage from collisions with other vehicles or objects?
A. Automobile insurance
B. Collision insurance
C. Property insurance
D. Comprehensive insurance
E. Liability insurance
17: What device shows the direction a vehicle is facing?
A. Parking brake
B. Rearview mirror
C. Radar
D. Traffic light
E. Compass
18: What could happen if excess pressure is built in the crankcase?
A. The engine catches on fire
B. Damaged pistons
C. Oil leakage past the seals
D. The engine stops
E. Engine seizure
19: What type of filter prevents foreign particles from entering the crankcase?
A. Intake air filter
B. Combustion chamber filter
C. Fuel filter
D. Crankcase ventilation filter
E. Intake filter
20: What is the total weight of a vehicle, including a full tank of fuel, all fluids, and standard equipment?
A. Net weight
B. Gross weight
C. Gross vehicle weight
D. Vehicle weight
E. Curb weight
21: What are curtain airbags also known as?
A. Seat airbags
B. Side airbags
C. Head airbags
D. Tail airbags
22: What type of joints allow full suspension movement?
A. Hydraulic joints
B. Pneumatic joints
C. Fuel injection joints
D. Constant velocity joints
E. Rack and pinion joints
23: What are cylinder head bolts?
A. Bolts that secure an exhaust system to an engines cylinder head
B. Bolts that secure a car's engine to the chassis
C. Bolts that clamp an engines cylinder heads to the engine block
D. Bolts that hold the heads of valves in their seats
E. Bolts that secure an engines cylinder head to the engine block
24: What feature allows the engine to turn off two or more cylinders to maximize fuel efficiency?
A. Turbocharging
B. Cylinder deactivation
C. Flexible fuel injection
D. Fuel injection
E. Turbochargers
25: What is the term used to describe the loss of a vehicle's value loss over time?
A. Loss
B. Depreciation
C. Accumulation
D. Deflation
26: What is the device name showing the hours a diesel engine has run?
A. Engine hour display
B. Diesel engine hour meter
C. Oil pressure gauge
D. Diesel engine hour gauge
E. Diesel engine clock
27: What does the differential fluid lubricate?
A. Gears
B. Shaft
C. Piston
D. Bearings
E. Axis
28: What are DMV fees often called?
A. Registration fees
B. Court costs
C. Title and license fees
D. Tax fees
29: What does EGR try to do?
A. Increase air intake
B. Increase fuel flow
C. Lower combustion temperature
D. Increase airflow
30: What type of battery powers the electric motor in a hybrid or electric vehicle?
A. Nickel-metal-hydride
B. Lead-acid
C. Nickel-cadmium
31: What does the term "electric vehicle" mean?
A. A vehicle that is powered by a rechargeable battery
B. A vehicle that uses electricity to power the engine
C. A vehicle that uses electricity to power internal motors
D. A vehicle that is run entirely on electricity
E. A vehicle that is powered by an electric motor
32: What type of rearview mirror dims at night?
A. Rearview mirror
B. Auto mirror
C. One-touch mirror
D. Manual
E. Electrochromatic
33: What auto safety feature shuts the engine off when a vehicle rests?
A. Cruise Control
B. Auto Stop/Start
C. Airbags
D. Parking Brake
E. Airbag
34: What does engine oil reduce?
A. Engines not starting
B. Fuel efficiency
C. Fuel economy
D. Corrosion and the formation of rust
E. The power of the engine
35: What does an engine oil level warning system do?
A. Provides information on how to improve engine performance
B. Warns the driver when an engine oil change is recommended
C. Warns the driver when the engine oil level falls below a certain point
D. Warns the driver when the oil level is low
E. Automatically brings a low engine oil level to the attention of a driver
36: A device that senses the temperature of the engine coolant to regulate the engine cooling system is called what?
A. Temperature gauge
B. Heat sensor
C. Coolant temperature sensor
D. Fan controller
E. Thermostat
37: What is another name for ethanol?
A. Ethyl alcohol
B. Grain alcohol
C. Isopropyl alcohol
38: What type of alcohol is commonly used in vehicle fuels?
A. Howl
B. Malt
C. Butyl
D. Ethyl
E. Isopropyl
39: Evaporative control canister captures raw fuel vapors from which location?
A. Air intake
B. Fuel tank and carburetor bowl
C. Throttle body
D. Engine
40: What is an example of a vehicle with an engine forward to its passenger compartment but aft of its front axle?
A. Front heavy vehicle
B. Rear engine
C. Front mid-engine
D. Rear mid-engine
41: The amount of fuel that a vehicle's fuel tank can hold is called what?
A. Fuel efficiency
B. Fuel economy
C. Fuel type
D. Fuel capacity
42: What is the name of the cap that seals a vehicle's fuel filler neck?
A. Fuel filler hood
B. Fuel cap
C. Fuel filler cap
D. Top fuel cap
E. Gas cap
43: What is the most common example of a hybrid engine?
A. Diesel engine with an electric motor
B. Gasoline engine with electric generator
C. Gas/electric hybrid engine
D. Jet engine
44: What term describes the arrangement and number of cylinders in an engine?
A. Engine configuration
B. Configuration
C. Engine type
D. Type
E. Engine Layout
45: The most common engine layout is what?
A. Straight or the Inline engine layout
B. Flat four engine layout
C. Four-cylinder engine layout
D. V-8 engine layout
46: What type of engine is used widely?
A. Boxer engines
B. Straight/inline engines
C. V8 engines
D. Four-stroke engines
47: Why are straight engines used widely?
A. Minimal noise
B. Easy and inexpensive manufacturing and installation process
C. They produce more power than engines with a V-shape
D. Virtually no emissions
E. They have a longer life span
48: What kind of engines can have more than one cylinder?
A. Multi-cylinder engines
B. Straight engines
C. V-8 engines
D. V-6 engines
E. Inline engines
49: In what direction are the cylinders of a Flat engine placed?
A. At an angle
B. Neither Way
C. Horizontally
D. Vertically
50: The V-engine can be found on almost all what?
A. Cars
B. High performance vehicles
C. Planes
D. Trucks
E. Motorcycles
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