Millwright-IP Questions and Answers

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