Q6. With reference to a vapour compression refrigeration plant, explain the purpose of EACH of the following:
a) Room thermostat (2)
b) Expansion valve (2)
c) High pressure cut out (2)
d) Safety head (2)
e) Unloader (2)
Username or email address *Required
Password *Required
Note: Entering wrong username in the login form will ban your IP address immediately. Entering wrong password multiple times will also ban your IP address temporarily.
Log in
Lost your password? Remember me
No account yet?
