Worn or defective bearings in the pump or motor can cause _____
A) cavitation B) excess lubrication
C) noise and vibration D) excessive suction pressure
C
You might also like to view...
Which of the following is a characteristic that helps distinguish fans from blowers?
a. Fans always require more horsepower to move the same volume of air as a blower. b. Fans are able to perform better than blowers when the resistance to airflow is high. c. The airflow is normally parallel to the shaft of a blower. d. The airflow is normally parallel to the shaft of a fan.
A(n) _________________________ Insulation Calculator tool can provides insulation levels for your new or existing home based on your zip code and other basic information about your home.
Fill in the blank(s) with the appropriate word(s).
Indicate whether a box or a trombone coil should be used for steam heating __________________ and hot water heating ___________________
Fill in the blank(s) with correct word
Point c is
A. Benchmark B. Fore sight C. Instrument location D. Back sight E. Rod F. Turning Point G. Line of sight H. Height of instrument