As long as the fixture in the confined space is approved for confined space and the wattage rating of the fixture is not below 60 watts then there should be no problem using a 60 watt bulb in this situation.
Yes.
no because it would blow up because the socket would draw 13 watt not 9 watt
No, it is not alright to replace a 180 watt DLP TV bulb with a 200 watt bulb. You should only use the OEM rated size/wattage for your TV.
Yes, that is what the numbers mean.
It is not recommended to use a 20 watt bulb in a 60 watt socket as the socket is designed to handle a higher wattage bulb. Doing so may cause the bulb to burn out quickly or pose a fire hazard. It is safer to use a bulb with wattage equal to or lower than the socket's rated wattage.
A 75 bulb will use more electricity.
Yes.
No, you can not use a 150 watt high pressure sodium bulb with a 70 watt ballast.
The highest watt headlight bulb you can use in a 2000 Mazda 323 is 65 watts. Most vehicles use a 55 watt bulb.
If you dont mind splodey light bulb.
A 40 watt bulb is dimmer than a 100 watt bulb.
no because it would blow up because the socket would draw 13 watt not 9 watt
Yes. It just won't be as bright.
No, it is not alright to replace a 180 watt DLP TV bulb with a 200 watt bulb. You should only use the OEM rated size/wattage for your TV.
yes the bulb will actually last longer
Yes, that is what the numbers mean.
Light fittings should not be overloaded electrically because overheating can cause a fire. Alternatively you could use a 20 watt low-energy bulb.