What controls the servo valve in a hydraulic governor - CORRECT
ANSWER-Electrical controller
What is the purpose of a sleeve - CORRECT ANSWER-To reduce shaft wear
Why are gate valves used on pump inlet and outlets - CORRECT ANSWER-For
isolation
What does misaligned bearing bores cause - CORRECT ANSWER-Bent shaft an
instrument wear
What is the purpose of return idlers - CORRECT ANSWER-Support belt on return
What would cause low NPSHA? - CORRECT ANSWER-Cavitation
What does CMM allow for? - CORRECT ANSWER-Allows pro movement along
three axis YXZ
Why is metal packing used? - CORRECT ANSWER-High temperature liquid
What happens on centrifugal people pump when you Close discharge while
operating ? - CORRECT ANSWER-Maximum pump slip
, How much overlap on a bolt splice under 10 ply? - CORRECT ANSWER-One bolt
width
What is the purpose of counterweights - CORRECT ANSWER-To offset the weight of
the rod and pistons
What valve opens with a quarter of a turn - CORRECT ANSWER-Ball valve
How is liquid moved in a gear? - CORRECT ANSWER-Between teeth and casing
What is considered a rotating element - CORRECT ANSWER-Sheave
What pump requires timing gears? - CORRECT ANSWER-Circumferential piston
pump
When is the valve lash set? - CORRECT ANSWER-TDC on compression stroke
What type of pump used for water pump and engine - CORRECT
ANSWER-Centrifugal
How do you control pressure fluctuations in a positive displacement pump -
CORRECT ANSWER-Pulsation damper
ANSWER-Electrical controller
What is the purpose of a sleeve - CORRECT ANSWER-To reduce shaft wear
Why are gate valves used on pump inlet and outlets - CORRECT ANSWER-For
isolation
What does misaligned bearing bores cause - CORRECT ANSWER-Bent shaft an
instrument wear
What is the purpose of return idlers - CORRECT ANSWER-Support belt on return
What would cause low NPSHA? - CORRECT ANSWER-Cavitation
What does CMM allow for? - CORRECT ANSWER-Allows pro movement along
three axis YXZ
Why is metal packing used? - CORRECT ANSWER-High temperature liquid
What happens on centrifugal people pump when you Close discharge while
operating ? - CORRECT ANSWER-Maximum pump slip
, How much overlap on a bolt splice under 10 ply? - CORRECT ANSWER-One bolt
width
What is the purpose of counterweights - CORRECT ANSWER-To offset the weight of
the rod and pistons
What valve opens with a quarter of a turn - CORRECT ANSWER-Ball valve
How is liquid moved in a gear? - CORRECT ANSWER-Between teeth and casing
What is considered a rotating element - CORRECT ANSWER-Sheave
What pump requires timing gears? - CORRECT ANSWER-Circumferential piston
pump
When is the valve lash set? - CORRECT ANSWER-TDC on compression stroke
What type of pump used for water pump and engine - CORRECT
ANSWER-Centrifugal
How do you control pressure fluctuations in a positive displacement pump -
CORRECT ANSWER-Pulsation damper