Engineering :: Refrigeration and Air conditioning
|
|
|
|
|
|
Hydrogen cannot be liquefied at room temperature by the application of pressure, because
|
[A]. |
It has low density | [B]. |
It has high viscosity
|
[C]. |
Its thermal conductivity is high | [D]. |
It is a diatomic molecule |
[E]. |
Its critical temperature is lower than the normal room temperature |
|
|
|
|
|
|