Class 2 (2nd Engineer) MEP 📅 Apr 2019

Exam Question

With the aid of a simple sketch, explain the "trouble spots" in a basic air conditioning unit and with reference to your sketch, explain the following:

(a) How the problem of increase in humidity of cooled air is overcome?

(b) How discomfort caused by the excessive drying effect of heated air is overcome?

Reference Answer

Trouble Spots in a Basic Air Conditioning Unit
Refrigerant Leakage: Commonly occurs at the compressor shaft seal, condenser, dryer, oil separator, evaporator coils, or damaged pipes.
Condenser: Insufficient water or air flow and dirty tubes may cause high-pressure (HP) trip.
Filters: Blocked intake and recirculation filters lead to poor airflow.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play