As long as it is classified as "1k water clear" Ask the attendant to be sure.
Yes, kerosene heaters are safe for indoor use, such as the Mr. Heater F215100 Portable Buddy Series, which is certified for indoor operation.
over outdoor heaters? definitely.
Older style kerosene heaters do increase humidity. Electric heaters do not - they tend to reduce humidity.
Yes
For physical implications, sleeping with a kerosene heaters should be fine as long as there is nothing combustible surrounding it. However, I wouldn't want to sleep in a room where there is an accelerant constantly burning. It's your prerogative though.
wat if i knock down a kerosene heater
Paraffin heaters, also known as kerosene heaters, are used as a source of heat for a space. They are mainly used at times of power outages and other such emergencies.
Corona kerosene heaters are used for heating up a stove and acting as small lanterns or heaters. They could potentially be used in cases where your normal heater is burned out.
See: How Safe are Vent Less Heaters
wat if i knock down a kerosene heater
Please look at the Related Links section of this question. This is a store that provides wicks for all kinds of kerosene heaters.
A kerosene heater has a wick made of fiberglass that is connected to a kerosene tank. When the wick is lit, the kerosene keeps the wick burning, and a convection unit in the heater uses the flame to heat the air. In some kerosene heaters, there is a fan to blow the heated air into the room to heat it faster.