no. vacuum pump lowers boiling temp of water, allowing moisture to leave system as vapor. contaminated oil (such as from a compressor burn-out) and particles of carbon, etc. must be flushed out with rx-11 and high-pressure nitrogen. filter-driers must be installed.
yes
It is fitted on discharge line after condenser, where the gas enters in liquid forms.
A system in which neither matter nor enery enters or leaves is a closed system.
closed
When a foreign substance enters the body.
1.It can enters to the compressor through suction line and can damages the parts of the compressor.2.it can carry out
a closed system
pressure in a refrigeration system is changed in the
In the human body it is the respiratory system, the cardiovascular system and the dermal system that can take in oxygen or unwanted foreign matter. The digestive system is a circulatory system in a sense in that it works with the cardiovascular system to circulate nutrients, medication, water and other unwanted foreign matter.
cause its a gas
at the metering device before the evaporator
An evaporator in a refrigeration system works by passing warm air over it's coils.