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Methane.
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Difference between tungsten lamps and carbon lamps?
tungsten lamp has got inert gas argonsometimes iodine is added to improve intensity carbon filament produces less light than tungsten lamp but it radiates much less energy in the form of heat waves
Which fuel is used in miners lamp?
Miner's lamps (and spelunkers, too) utilize a compound commonly called Carbide. It is a lumpy product, which, when water is dropped onto it, releases acetylene gas. The gas is ignited (usually from a spark wheel mounted on the lamp's reflector) to provide light.
What gas is hydrogen?
Hydrogen gas is an extremely high explosive gas often used to make bombs...
What is the type of gas in an arc lamp?
A combination of neon, argon, xenon, krypton, sodium, metal halide, and mercury. The common fluorescent lamp is a low pressure mercury arc lamp.
Why hydrogen gas is used in furnace?
no smoke. no residue. gives high temperatures.
Are tube lights fluorescent lights?
There are tubular incandescent lamps for high-intensity fixtures, such as the FCM lamp. However, if it's more than a few inches long and appears white or "cloudy", it's almost certainly a fluorescent light instead. (If it's clear, then it's likely a gas discharge lamp, such as a neon lamp.)
What is used in high intensity discharge lamp to create light?
High Intensity Discharge (HID) lamps are a type of arc lamp. An HID lamp is comprised of a "glass" arc tube filled with a gas and a metal salt. The tube is generally fitted with two tungsten electrodes. Current applied to the electrodes is initially conducted in an arc through the gas. This initial arc raises the temperature of the metal salt until it vaporizes. At this point, the arc is conducted by the vaporized salt, greatly increasing the light output and decreasing the electrical current consumed.There are several types of HID lamps in current use:Mercury-vaporMetal-halide (MH)Ceramic MHLow Pressure Sodium-vaporHigh Pressure Sodium-vaporXenon short-arcEach chemistry offers a different mix of operating characteristics including light intensity, color temperature, color rendering index (CRI), energy efficiency, and lifespan. The "glass" from which the arc tube is made must withstand extremely high operating temperatures and is typically composed of translucent or transparent fused quartz or fused alumina..
What is function of the choke in lamp circuit?
The function of a choke in a lamp circuit is to produce high voltage. In tubelights, the high voltage is essential for ionisation of the gas which is present in tubelights.
What does turning on a fluorescent lamp create?
A plasma arc of argon gas and/or other ions, such as mercury vapour, depending on the gas mixture used in the lamp.
Why argon and neon gas used in sodium vapour lamp?
Neon and argon are used as a gas starter in sodium lamps.
What is a Davy?
It's a gas detecting lamp used in mining operations in early times
Why did the davy lamp help canaries?
The Davy lamp's flame went out when miners got to a spot where there was dangerous gas. Previously, canaries were used to do these jobs.
Difference between tungsten lamps and carbon lamps?
tungsten lamp has got inert gas argonsometimes iodine is added to improve intensity carbon filament produces less light than tungsten lamp but it radiates much less energy in the form of heat waves
What type gas use in mercury lamp?
It is a gas discharge lamp which uses mercury in excited states.
Why do you use starter for an incandescent lamp?
The starter will send a delayed high voltage electricity to the gas within the fluorescent bulb that cause the gas to be ionized and conduct electricity.
Use of thorium and yttrium in lantern mantles?
Yes, thorium is used in gas mantles; the intensity of the light is increased.
Why choke coil is used in tube light?
To limit the current through the lamp when the gas ionises and conducts.
