Filter
Top Products
44 TRG-TRC012-EN
Questions for Period 1
1 What components of the helical-rotary compressor are used to compress
the refrigerant?
2 What are the 2 functions of the oil supply system presented in this clinic?
3 In a flooded shell-and-tube evaporator, is the refrigerant flowing inside or
outside of the tubes?
4 Name 2 types of expansion devices commonly found in helical-rotary water
chillers.
Questions for Period 2
5 Using the pressure-enthalpy diagram in Figure 63, identify the following
processes of the helical-rotary water chiller’s refrigeration cycle:
a) ➀ to ➁
b) ➁ to ➄
c) ➄ to ➅
d) ➆ to ➀
6 Referring again to Figure 63, after the vapor is removed in the liquid/vapor
separator, to which point in the refrigeration cycle does it travel?
6
6
pressure
pressure
enthalpy
enthalpy
1
1
2
2
5
5
7
7
4
4
3
3
Figure 63
Quiz