Becc Test 5 Comprehensive Questions With Guaranteed Verified Answers.

A fixed volume of liquid is discharged by a centrifugal pump (TRUE/FALSE) - correct answer False Which centrifugal pump component prevents reverse flowof liquid through the pump? - correct answer Check valve What is used to move fluid from one location to another? - correct answer Pump What centrifugal pump component rotates and causes centrifugal force to act on the fluid ? - correct answer Impeller What centrifugal pump component prevents over heating of the pump? - correct answer Recirculation line What condition occurs if there are bubbles forming in the pump casing? - correct answer Pump cavitation In a centrifugal pump, the liquid enters the eye of the _______. - correct answer Impeller The two spur gears in a rotary gear pump are called the gear and the gear? - correct answer Driving & Driven What type of pump uses the throwing force of a rapidly revolving impellor? - correct answer Centrifugal pump To eliminate replacing the impellor or casing due to wearing, what is used inside the pump? - correct answer Mechanical shield Which tank stores oily waste prior to separation by the OWS? - correct 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? - correct answer 15 PPM (Part Per Million) What is used to remove large particulate matter from oil before it enters the OWS? - correct answer Duplex strainer What tank receives separated oil from the OWS for later discharge? - correct answer Waste oil tank What is used to measure the amount of oil in water that is discharged overboard? - correct answer Oil content monitor Heat transfer from physical contact between two fluids is known as? - correct answer Conduction Heat transfer through the mixing of fluids is known as? - correct answer Convection Which type of heat exchange is made up of stacked plates? - correct answer Plate type What type of heat exchange Cools steam back into its liquid form? - correct answer Condenser What type of flow does an exchanger have if the liquids enters one side and travels out the same direction? - correct answer Parallel What type of exchanger has a tube inside of another tube? - correct answer Double tube Which exchanger has one or more coils of tubing inside of a shell? - correct answer Helical & Spiral What type of flow is used if the fluids flow at a right angle (90 degrees) to each other? - correct answer Cross flow What type of gear has the teeth arranged in a V pattern? - correct answer Double helical gear What gear can be used tochange the speed and torque without changing the direction? - correct answer Internal spur What gear has teeth that are out at an angle that allows for quiet rotation? - correct answer Helical What gear type has teeth cut straight across the inside rim? - correct answer Internal spur What is the term for force of rotation? - correct answer Torque What is the gear inserted between 2 gears that allows both to rotate in the same direction? - correct answer IDLER What type of gear is used for the MRG? - correct answer Double helical What component is used to connect two pieces of shafting together? - correct answer Coupling What type of coupling allows for no shaft misalignment? - correct answer Flange coupling When should oil-lubricated coupling be refilled? - correct answer After any pump overhaul bearings are used to support and maintain alignment of rotating shafts? TRUE/FALSE - correct answer True What tvoe of bearing contains many small diameter cylindrical rollers that ride directly on the shaft? - correct answer Needle bearing Which type of bearing is considered a sliding type? - correct answer Journal bearing What provides a Remote read out of bearing temperature? - correct answer Resistance Temp Detector Which type of friction Requires the least amount of energy to overcome? - correct answer Fluid Which bearing is designed to carry a combination or radial and thrust load - correct answer Anti friction bearing Why is the liner of a journal bearing composed of babbitt? - correct answer Reduce friction The main Propulsion Shaft must be stopped and locked before inflating the shaft. (TRUE/FALSE) - correct answer True What is used to connect turbines and the MG allowing for slight misalignment? - correct answer Flexible coupling What supports the weight of the main propulsion shaft inside the hull of the ship? - correct answer Line shaft bearing Which gear is known as the bull gear? - correct answer 2nd reduction gear What supports the weight of the main propulsion shaft outside the hull of the ship? - correct answer Strut bearings How is the MRG described? - correct answer Double input, Single input What is used to remove moisture and water vapor from the interior of the MRG? - correct answer Dehumidifier how many journal bearings are used in the MG? - correct answer 26 What is used to lubricate the MRG? - correct answer 2190 TEP Where is the propeller mounted on the main propulsion shaft? - correct answer Tall shaft What type of bearing is the stern tube bearing? - correct answer Main propulsion shaft bearings What is the purpose of the Kingsbury thrust bearing? - correct answer Transmits thrust from Propeller to Hull of Ship Purpose of the bulkhead seal? - correct answer Maintain air and watertight integrity of bulkhead What component transmits thrust from the propellers to the hull of the ship? - correct answer Kingsbury thrust bearing Line shaft bearing temperatures and oil flow should be monitored? - correct answer Hourly