Which of the following improper operations can lead to valve leakage?
A. Failure to clean and lubricate valve stems
B. Improper closing of a valve on a high-pressure line
C. Use of excessive force when opening or closing a valve
D. Failure to wear proper protective equipment
A. Incorrect. Failure to clean and lubricate valve stems does not cause valve leakage.
B. Incorrect. Improper closing of a valve on a high-pressure line does not cause valve leakage.
C. Correct. Use of excessive force when opening or closing a valve can cause valve leakage.
D. Incorrect. Failure to wear proper protective equipment does not cause valve leakage.
You might also like to view...
Single-level and multilevel homes pose similar design challenges.
Answer the following statement true (T) or false (F)
The backing plate is a component of which type brake assembly?
A) Drum B) Parking brake C) Disc D) None of these
Initially, turfgrass plants should be spaced at:
A. 36-40 plants per square inch. B. 12-14 plants per square inch. C. 5-7 plants per square inch. D. 20-25 plants per square inch.
There is (are) ____ schematic symbol(s) for the diac.
A. one B. two C. three D. four