Who told you that? No you can't ruin a car engine by running the air or heat while sitting in one place for an extended period of time. It's not good for the engine to sit for a long time running because oil builds up on the seals and such but that's about it.
Blown head gasket or cracked block.
Yes, running may be used as an adverb in some context.
If the 1983 Ford E-250 has been sitting in the very hot sun for an extended period of time, the engine coil could be conducting heat simply because of the exterior climate.
it can, if you do not exercise beforehand and suddenly apply more force than usual over an extended period of time.
Possibly but it is better to use kerosene on a engine that has been sitting for a long period of time.
2 to3 minutes
A sitting is a period of time where the parliament is in session.
The extended period at the wicket by two batsmen in cricket is called a stand.
No airflow through rad
the study of how artifacts and objects decay over an extended period of time
Infrequent oil changes or running with too low of oil level. Running at consistantly too high or consistantly too low of RPMs Running an extended period on an il-timed engine. Timing chain jumped. An overheated condition can caused this. An severely overheated condition can warp the block and cause this as well. Water/fluid got in the intake
No