You've seen how gas has to be controlled. Can you answer some questions about it?
What do you know about controlling gas? Did Selina make sense?
See if you can answer these questions.
Read each question carefully and choose the best answer.
If you squash a gas more (increase the pressure), what happens to it?
the gas changes colour
the gas gets colder
the gas gets warmer
When customers use more gas, what will start to happen to the gas pressure?
the pressure will get higher
the pressure will get lower
the pressure will stay the same
Imagine you do these three things. Which one will NOT increase the pressure of a gas?
[images to be included]
sitting on a space-hopper
and bouncing round a playground
pumping up a bicycle tyre
when it has gone flat
making a squeak by letting the air out of the neck of a balloon
If you run cold water over a pipe that contains hot gas...
... the water gets warmer and the gas gets cooler
... the water gets warmer and the gas stays the same
... the gas gets warmer and the water gets warmer
The equipment that cools the gas is called...
a heat exchanger
a cold compressor
a heat generator
Which section do you want to look at?
Rough Guide to Gas is produced by CIEC Promoting Science in conjunction with Centrica Storage Limited
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