The Ultimate Automotive Physics Quiz
Don't be intimidated by this quiz if you don't can't tell a carburetor from an alternator. Take it and learn a little something about what's going on under the hood of your car.
Almost all cars convert gasoline into motion with a _____-stroke combustion cycle.
In a multi-cylinder car engine, what are the three ways in which the cylinders can be arranged?
- inline, V and flat
- stacked, Z and inline
- flat, T and parallel
The "big three" engine problems are: lack of spark, lack of compression and ________.
- cracked cylinder
- oil leak
- bad fuel mix
- misfiring pistons
- electrical malfunction
- potato in tailpipe
Why do you need to keep proper oil levels in your car?
- to keep the carburetor carbureting
- so the pistons can move in their cylinders
- so the valves can open and close
- to avoid overreliance on the alternator
What's one component a gasoline engine has that a diesel engine doesn't?
- spark plugs
- connecting rod
What's the system that opens and closes a car's valves?
- ignition module
- timing belt
What are the two components of a car's cooling system?
- carburetor and water pump
- coil and radiator
- radiator and water pump
What engine component is absent in a fuel-injected car?
- catalytic converter
The catalytic converter is part of which engine system?
- emission control
- valve train
The three most important factors in car aerodynamics are drag, lift and __________.
As an object accelerates, its velocity and drag …
What happens when a car's drag is equal to its weight?
- Its acceleration rate doubles.
- It can no longer accelerate.
- It spontaneously combusts.
Car designers use this information to figure out a car's drag coefficient. The lower the drag coefficient, the ___________ a car is.
- more aerodynamic
- less aerodynamic
What's the drag coefficient of most cars today?
What's the drag coefficient of most SUVs and pickup trucks?
Decreasing a car's drag coefficient by .01 can result in how much of an increase in fuel economy?
- .2 miles per gallon
- 2 miles per gallon
What's the drag coefficient of the Toyota Prius?
In the 1930s, Chrysler introduced a car that made major improvements in aerodynamics. What was it called?
- the Arrow
- the Aero
- the Aviator
- the Airflow
- the Teardrop
Car designers used to use wind tunnels to test aerodynamics, but now they generally utilize _________.
- computer simulations
- outdoor test tracks
A typical Formula One racecar has a drag coefficient of .7 -- so how does it go so fast?
- The lift is maximized.
- The downforce is maximized.