13. When tightened, dry seal threads A. are crushed to make a leakproof seal. O B. compress an O-ring to prevent leaks. O C. can be easily loosened and tightened again. D. make a 45-degree flare in the tubing.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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15. The fluid temperature in a petroleum-
based hydraulic system should not exceed
degrees F for extended periods of
time.
O A. 180
OB. 350
O C. 110
O D. 225
14. A type of tubing connection rarely used
in fluid power work is the
O A. solder-type fitting connection.
B. union-type connector.
O C. compression device connection.
D. straight-thread and seal combination.
Transcribed Image Text:15. The fluid temperature in a petroleum- based hydraulic system should not exceed degrees F for extended periods of time. O A. 180 OB. 350 O C. 110 O D. 225 14. A type of tubing connection rarely used in fluid power work is the O A. solder-type fitting connection. B. union-type connector. O C. compression device connection. D. straight-thread and seal combination.
13. When tightened, dry seal threads
A. are crushed to make a leakproof seal.
B. compress an O-ring to prevent leaks.
C. can be easily loosened and tightened
again.
D. make a 45-degree flare in the tubing.
Transcribed Image Text:13. When tightened, dry seal threads A. are crushed to make a leakproof seal. B. compress an O-ring to prevent leaks. C. can be easily loosened and tightened again. D. make a 45-degree flare in the tubing.
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