When the engine of your car heats up, the spark plug gap will
A) increase.
B) decrease.
C) remain unchanged.
D) decrease at first and then increase later, so that the two effects cancel once the engine reaches operating temperature.
A
You might also like to view...
Write the energy balance for an ice pond at noon on a sunny day with solar energy of 300 W/m2 to the ice, air at -8ºC, convective heat transfer coefficient of 10 W/m^2?K above the ice, and 1ºC water with a convective heat transfer coefficient of 30 W/m^2?K below the ice. Then estimate the rate at which the ice thickness is increasing or decreasing.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
The point toward which compasses on the earth’s surface point is a magnetic south pole.
The number of molecules in a container is tripled and the Kelvin temperature doubled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?
If a spinning star suddenly gets bigger in diameter, what happens to its rotation rate?
a) It is unaffected. b) It decreases. c) It increases.