diesel engines do not use spark plugs because diesel has more oil, burns slower, and is more difficult to ignite. Therefor spark plugs are insufficient with just spark so instead they use glow plugs witch provides a high amount of heat to the fuel and ignites more quickly and reliably.
<span>The amount of compression pressure in a diesel engine is sufficient to produce enough heat to ignite the fuel. The glow plugs are only used on a cold start.</span>
Answer:
D) Image cannot be seen
Explanation:
As we know by lens formula
now we know that
object is placed at the focal point of lens
so we will have
so the image will form at infinite
so image will be at infinite distance from the lens
so it cannot be seen
Answer:
Probably because the Bernoulli effect (lift) is insufficient in thinner air to keep the plane aloft - increasing the angle of attack will increase the lift on the airplane
Answer:
drawing of ear step by step
