Becc Test 5 Questions and Correct Answers, Complete
Verified Solution, 2024.
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
What component is used to connect two pieces of shafting together?
Coupling
What type of coupling allows for no shaft misalignment?
Flange coupling
When should oil-lubricated coupling be refilled?
After any pump overhaul
bearings are used to support and maintain alignment of rotating shafts?
TRUE/FALSE
True
What tvoe of bearing contains many small diameter cylindrical rollers that ride
directly on the shaft?
Needle bearing
Which type of bearing is considered a sliding type?
Journal bearing
What provides a Remote read out of bearing temperature?
Resistance Temp Detector
Which type of friction Requires the least amount of energy to overcome?
Fluid
Verified Solution, 2024.
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
What component is used to connect two pieces of shafting together?
Coupling
What type of coupling allows for no shaft misalignment?
Flange coupling
When should oil-lubricated coupling be refilled?
After any pump overhaul
bearings are used to support and maintain alignment of rotating shafts?
TRUE/FALSE
True
What tvoe of bearing contains many small diameter cylindrical rollers that ride
directly on the shaft?
Needle bearing
Which type of bearing is considered a sliding type?
Journal bearing
What provides a Remote read out of bearing temperature?
Resistance Temp Detector
Which type of friction Requires the least amount of energy to overcome?
Fluid
