Two types of shaft seals used for centrifugal pumps are ____.
A. stuffing box and mechanical types
B. stuffing box and splash types
C. ceramic and splash types
D. ceramic and bellows types
Answer: A
Trades & Technology
You might also like to view...
Focus group moderators are looking for immediate reactions called:
a. short-term memory b. knee-jerk reactions c. gut instinct d. unaided recall
Trades & Technology
Describe the special treatment required for milk
What will be an ideal response?
Trades & Technology
Most meters can directly measure up to _____ amps.
A. 10 B. 20 C. 30 D. 50
Trades & Technology
An animal’s ability to grow rapidly is known as _____________________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology