Not if you want it to run.
No, diesel engine require diesel fuel. Put petrol in a diesel engine and you will destroy it.
If you put petrol in a diesel vehicle do not start the engine. Petrol will do serious damage to a diesel engine. You must drain all the petrol out and flush the fuel lines.
What happens is you must remove the petrol immediately. Petrol or gasoline will destroy a diesel engine.
Yes, petrol/gasoline will severely damage a diesel engine.
No
Who told you it is harmful? It is only harmful if it is a Diesel engine. If it is a petrol (gasoline) engine then Petrol is what it takes to run.
It will dirty the injectors a bit and run very rough,if at all. Still, not as bad as putting petrol into a diesel engine .
Petrol in a diesel engine will destroy the engine.
Yes, never put oil formulated for a diesel in a gasoline engine.
No, you cannot convert a petrol to burn diesel.
If you use Petrol or Gasoline in a Diesel engine you will destroy that engine. That is why you do not use it.
No, a diesel is a compression firing engine and a petrol is a spark firing engine. Diesel fuel will not burn in a petrol engine with spark plugs.