QUESTIONS WITH ANSWERS GRADED A+
◉ What is used to move fluid from one location to another? Answer:
Pump
◉ What centrifugal pump component rotates and causes centrifugal
force to act on the fluid ? Answer: Impeller
◉ What centrifugal pump component prevents over heating of the
pump? Answer: Recirculation line
◉ What condition occurs if there are bubbles forming in the pump
casing? Answer: Pump cavitation
◉ In a centrifugal pump, the liquid enters the eye of the _______.
Answer: Impeller
◉ The two spur gears in a rotary gear pump are called the gear and
the gear? Answer: Driving & Driven
◉ What type of pump uses the throwing force of a rapidly revolving
impellor? Answer: Centrifugal pump
,◉ To eliminate replacing the impellor or casing due to wearing, what
is used inside the pump? Answer: Mechanical shield
◉ Which tank stores oily waste prior to separation by the OWS?
Answer: Oily Waste Holding Tank
◉ What is the allowed limit of oil in the overboard discharge if the
ship is within 50 miles of land? Answer: 15 PPM (Part Per Million)
◉ What is used to remove large particulate matter from oil before it
enters the OWS? Answer: Duplex strainer
◉ What tank receives separated oil from the OWS for later
discharge? Answer: Waste oil tank
◉ What is used to measure the amount of oil in water that is
discharged overboard? Answer: Oil content monitor
◉ Heat transfer from physical contact between two fluids is known
as? Answer: Conduction
◉ Heat transfer through the mixing of fluids is known as? Answer:
Convection
,◉ Which type of heat exchange is made up of stacked plates?
Answer: Plate type
◉ What type of heat exchange Cools steam back into its liquid form?
Answer: Condenser
◉ What type of flow does an exchanger have if the liquids enters one
side and travels out the same direction? Answer: Parallel
◉ What type of exchanger has a tube inside of another tube?
Answer: Double tube
◉ Which exchanger has one or more coils of tubing inside of a shell?
Answer: Helical & Spiral
◉ What type of flow is used if the fluids flow at a right angle (90
degrees) to each other? Answer: Cross flow
◉ What type of gear has the teeth arranged in a V pattern? Answer:
Double helical gear
◉ What gear can be used tochange the speed and torque without
changing the direction? Answer: Internal spur
, ◉ What gear has teeth that are out at an angle that allows for quiet
rotation? Answer: Helical
◉ What gear type has teeth cut straight across the inside rim?
Answer: Internal spur
◉ What is the term for force of rotation? Answer: Torque
◉ What is the gear inserted between 2 gears that allows both to
rotate in the same direction? Answer: IDLER
◉ What type of gear is used for the MRG? Answer: Double helical
◉ What component is used to connect two pieces of shafting
together? Answer: Coupling
◉ What type of coupling allows for no shaft misalignment? Answer:
Flange coupling
◉ When should oil-lubricated coupling be refilled? Answer: After
any pump overhaul