Education > EXAM > NATE Industry Competency Exam: Commercial Refrigeration | 100 Questions with 100% Correct Answers (All)
NATE Industry Competency Exam: Commercial Refrigeration | 100 Questions with 100% Correct Answers
Document Content and Description Below
With the condensing pressure and compressor speed remaining constant, a decrease in suction pressure will cause a(n): a. Decrease in compressor capacity and decrease in current. b. Increase in compres... sor capacity and decrease in current. c. Increase in compressor capacity and increase in current. d. Decrease in compressor capacity and increase in current. - D An indication of non-condensable gas in a refrigeration system is significantly: a. Lower-than-normal suction pressures. b. higher-than-normal suction pressures. c. Lower-than-normal head pressures. d. higher-than-normal head pressures. - D An automatic expansion valve controls refrigerant flow to an evaporator by maintaining a constant: a. Suction pressure. b. Pressure differential across the valve port. c. Liquid line pressure. d. Superheat. - A What is the approximate compression ratio of a compressor operating at 35 psig suction pressure and 135 psig discharge pressure? a. 1:03. b. 3:01. c. 1:04. d. 4:01. - B [Show More]
Last updated: 2 years ago
Preview 1 out of 19 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Also available in bundle (1)
NATE Tests Compilation BUNDLE
NATE Tests Compilation BUNDLE
By Tiara 2 years ago
$30.5
8
Reviews( 0 )
$10.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Oct 05, 2022
Number of pages
19
Written in
Additional information
This document has been written for:
Uploaded
Oct 05, 2022
Downloads
0
Views
92
