Becc Test 5 Questions and Answers Already Passed

Becc Test 5 Questions and Answers Already Passed A fixed volume of liquid is discharged by a centrifugal pump (TRUE/FALSE) False Which centrifugal pump component prevents reverse flowof liquid through the pump? Check valve What is used to move fluid from one location to another? Pump What centrifugal pump component rotates and causes centrifugal force to act on the fluid ? Impeller What centrifugal pump component prevents over heating of the pump? Recirculation line What condition occurs if there are bubbles forming in the pump casing? Pump cavitation In a centrifugal pump, the liquid enters the eye of the _______. Impeller The two spur gears in a rotary gear pump are called the gear and the gear? Driving & Driven What type of pump uses the throwing force of a rapidly revolving impellor? Centrifugal pump To eliminate replacing the impellor or casing due to wearing, what is used inside the pump? Mechanical shield Which tank stores oily waste prior to separation by the OWS? Oily Waste Holding Tank What is the allowed limit of oil in the overboard discharge if the ship is within 50 miles of land? 15 PPM (Part Per Million) What is used to remove large particulate matter from oil before it enters the OWS? Duplex strainer What tank receives separated oil from the OWS for later discharge? Waste oil tank What is used to measure the amount of oil in water that is discharged overboard? Oil content monitor Heat transfer from physical contact between two fluids is known as? Conduction Heat transfer through the mixing of fluids is known as? Convection Which type of heat exchange is made up of stacked plates? Plate type What type of heat exchange Cools steam back into its liquid form? Condenser What type of flow does an exchanger have if the liquids enters one side and travels out the same direction? Parallel What type of exchanger has a tube inside of another tube? Double tube Which exchanger has one or more coils of tubing inside of a shell? Helical & Spiral What type of flow is used if the fluids flow at a right angle (90 degrees) to each other? Cross flow What type of gear has the teeth arranged in a V pattern? Double helical gear What gear can be used tochange the speed and torque without changing the direction? Internal spur What gear has teeth that are out at an angle that allows for quiet rotation? Helical What gear type has teeth cut straight across the inside rim? Internal spur What is the term for force of rotation? Torque What is the gear inserted between 2 gears that allows both to rotate in the same direction? IDLER What type of gear is used for the MRG? Double helical