ESCO LIGHT COMMERCIAL REFRIGERATION EXAM SCRIPT FINAL PAPER 2026 COMPLETE QUESTIONS AND ANSWERS

ESCO LIGHT COMMERCIAL
REFRIGERATION EXAM SCRIPT FINAL PAPER
2026 COMPLETE QUESTIONS AND
ANSWERS

◉ Low ambient temperatures seriously affect:
Answer:


◉ Water cooling towers require a periodic blow-down to control:
Answer:


◉ High temperature refrigeration applications normally provide box
temperatures of:
Answer:


◉ Medium temperature refrigeration applications will normally
provide box temperatures of:
Answer:


◉ Low temperature refrigeration applications, other than ice
makers, will normally provide box temperatures of:

, Answer:


◉ What is the purpose of an oil separator?
Answer:


◉ Blended refrigerants should be charged into a running system;
Answer:


◉ A refrigeration system that uses the evaporator of the first stage
to exchange heat with the condenser of the second stage
refrigeration system is called a:
Answer:


◉ To achieve peak efficiency and performance in a Capillary tube
system;
Answer:


◉ Expendable refrigerant means:
Answer:


◉ fI a walk-in cooler requires a high percentage of moisture in the
air due to the product being stored, the logical evaporator TD would
be: