Wtp maintence Flashcards
(9 cards)
1
Q
Never start pump until it’s
A
Properly primed
2
Q
Water hammer is caused by
A
Rapid change of valve position
3
Q
Corrective maintenance
A
Operate equipment until it fails
4
Q
Problems with mechanic seal and packing
A
Shaft or sleeve damage from wear
Severe leaking cause flooding
5
Q
3 types of maintenance
A
Corrective-poor planning
Preventive-well planned
Predictive- established baseline using performance
6
Q
2 lubricants consideration
A
Too much grease will cause friction and heat
Mai job for grease to is to protect against corrosion not friction
7
Q
5 common pumping problems
A
Blockage
Air lock
Vibration
Water hammer
Cavitation
8
Q
An accumulation of air that impedes flow of water
A
Air locks
9
Q
When the pump start’s discharging water at a rate faster than can be drawn into pump
A
Cavitation
