FDNY CoF – Temporary Certificate of Fitness Card (Z-51) Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the most common cause of decreased efficiency in a reciprocating compressor?

Leaking suction valve

Blocked discharge line

Insufficient lubrication

Overheating of motor

Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy