Looking at a duplex receptacle the right smaller slot is hot, the left larger slot is neutral and the u ground is ground.
Yes, provided the outlet has a three element receptacle. The third prong is ground. If you use an adapter that connects three prongs to a two slot outlet there is a shock danger.
Change the outlet to a grounded one. Get an adapter that goes from 3 prong to 2. Break the ground prong off. Any one of these will work.
It may be a 220 Dryer, and you will need a new outlet installed. There should be no extra wires when connecting the Power cord to the plug
The four blade dryer plug brings a separate ground wire from the machine to the electrical grounding system. The three blade dryer plug depended on the neutral wire of the plug to make this connection.
Change either the plug or the cord. The fourth prong is another ground. It would be easier to change the cord.
Disregard the neutral
No you can not you will need to replace the plug with a 4 prong the same as the style of your oven and change your breaker to the correct Amp for your style of 4 prong plug
Yes, provided that you have a ground wire in the box and that the ground wire is properly connected in the electric panel.
There is not enough information stated as to what you are trying to do.
Yes, provided the outlet has a three element receptacle. The third prong is ground. If you use an adapter that connects three prongs to a two slot outlet there is a shock danger.
Change the outlet to a grounded one. Get an adapter that goes from 3 prong to 2. Break the ground prong off. Any one of these will work.
Buy a tester. They are very cheap and will tell you at a glance if the outlets are wired correctly. The only other way is to remove the outlet and look see. But if it is a 2 prong outlet with no ground hole then it does not have a ground.
call an electrician!!!
It may be a 220 Dryer, and you will need a new outlet installed. There should be no extra wires when connecting the Power cord to the plug
This answer will be treated cautiously because your question shows a lack of knowledge of residential electrical systems. By "two prong", you are probably referring to a duplex electrical outlet, the standard "two-plug" arrangement found in North American homes, which is actually a 6-prong outlet - a live, neutral and ground "prong" on each of the two outlets. In any case, yes you can change one half of the outlet to "switched' without changing the other half. There is a connecting copper buss on each side of the duplex that connects the top half with the bottom half. This is designed in such a way that the buss can be clipped with electrical wire cutters (after ensuring that you have turned off the breaker or pulled the fuse to that circuit) to separate the two halves. You need only clip the "live" side, and can leave the neutral side connected. This will essentially allow you to feed each half with a separate supply, one of which can be live all the time, while the other half is switched. To wire up the switch, you will probably need a bit more knowledge.
it also carries curent from the outlet
The four blade dryer plug brings a separate ground wire from the machine to the electrical grounding system. The three blade dryer plug depended on the neutral wire of the plug to make this connection.