SALAMAT MASTER GLEYANN POGI LOVES MAMA MARY
Master Your Compressor Knowledge
Welcome to the ultimate quiz designed for enthusiasts in air compression and pump technology! Test your knowledge with 64 challenging questions that cover various types of compressors, their mechanisms, and applications.
- 64 Questions to challenge your understanding
- Multiple choice format for easy answering
- Track your progress and learn more about pumps and compressors
Which of the following is a type of air compressor that uses two rotating screws (rotors) to produce compressed air? They are supremely reliable even when used continuously.
Rotary screw compressor
Dynamic Compressor
Double acting compressor
Single Acting Compressor
This is a positive displacement type compressor that uses a piston. Select the best answer.
Reciprocating air compressor
Double acting compressor
Single acting compressor
Diaphragm compressor
Which of the following is a type of rotary compressor used in gas turbine?
Radial flow type
Axial flow type
None of the alternatives
Centrifugal type
Which of the following is an air compressor which are found generating horsepower by bringing the air with rapidly rotating blades and then restricting the air in order to create pressure?
Rotary vane compressor
Centrifugal compressor
Rotary screw compressor
Dynamic compressor
Which of the following type of compressor, compresses gas on the instroke and outstroke of the piston?
Double acting compressor
Reciprocating air compressor
Single acting compressor
Diaphragm compressor
When three pumps are operated in parallel, we get three times the flow.
False
Depends on the diameter of the of each pipe
Depends on the piping arrangements
True
Which one of these best describes why modern freshwater generators are simple install. They use steam for heating instead of JCW.
They can assembled in one place
Low spare parts
Efficient and easy to troubleshoot
All of the above
Which of the following best describes why fresh water disinfection equipment is often fitted with fresh water generator because boiling water?
at low temperature does not kill all harmful bacteria
at high temperature does not kill all harmful bacteria
at low temperature does kill all harmful virus
at high temperature does kill all harmful virus
Which of the following is an air compressor which are found generating horsepower by bringing the air with rapidly rotating blades and then restricting the air in order to create pressure?
Dynamic Compressor
Double acting compressor
Axial Compressor
Single Acting Compressor
When starting the main engine by starting air, which of the following should be done first?
Switch on the breaker of the air compressor
Shut off the indicator valves
Disengage the turning gear
Check for alarms
Which one of these best describes the process of vacuum distillation?
Seawater is boiled at low pressure and temperature before being condensed into fresh water
Freshwater is boiled at low pressure and temperature before being condensed into alcohol
Freshwater is boiled at low pressure but high temperature before being condensed into alcohol
Freshwater is boiled at low pressure but high vacuum
In a centrifugal pump series operation, the flow through all of the pumps is equal.
True
False
Maybe
It depends
Which of the following is not a positive displacement air compressor?
Centrifugal pump
Gear pump
Piston pump
Rotary pump
Which one of these creates the vacuum inside the fresh water generator?
The water powered ejector
The compressed air powered venture
The rotary vacuum pump
The fresh water pump
Which one of these explains why we create a vacuum inside a fresh water generator?
Decrease the boiling point of the feed water
Increase the boiling point of the feed water.
Decrease the cooling point of the feed water.
Increase the cooling point of the feed water.
Which one of these best describes the purpose of the air valve, fitted to the fresh water generator?
It allows the vacuum to be broken when shutting down
It allows air to be removed, so that a vacuum can be created
It prevents overpressure in the unit
It allows vapour samples to be taken for analysis
Which ONE of these vacuums will result in an evaporation temperature of 40-50 deg. C in a fresh water generator?
90-95%
95-100%
60-70%
70-80%
What is the main reason for operating pumps in parallel?
All of the alternatives
A greater discharge pressure can be achieved
It allows a large range of flow than for a single arrangement
The combined electrical load on the pumps is lower than an equivalent single pump
This is a type of compressor which uses only one end of the piston?
Single Acting Compressor
Double Acting Compressor
Dynamic Compressor
Rotary screw compressor
It is acts as a cover of a body
Bonnet
Actuator
Mover
Disc
What is the component of a machine that for responsible for moving uncontrollably mechanism for system
Actuator
Mover
Switch
Grit
What is the other term for actuator
Mover
Obstator
Stage
Disc
This is the movable obstruction
Obstator
Disc
Mover
Grit
This is an interior surface of the body which construct the disc
Disc
Stator
Grit
Pumps
It is a device that moves fluid
Pumps
Mover
Actuator
Ejector
In a pump contains two or more pumps mechanism with fluid being directed the flow through them is called
Multi stage pump
Positive displacement pump
Gear pump
Rotary positive displacement pump
A pump that makes fluid move
Positive displacement pump
Multi stage pump
Gear pump
Screw pump
This pumps moves the fluid using the rotating mechanism
Rotary positive displacement pump
Gear pump
Screw pump
Peristaltic pump
This is the simplest form of rotary positive displacement pump that consist of two mis gears
Gear pump
Screw pump
Peristaltic pump
Positive displacement pump
This is more complicated type of rotary pump that uses the two or three screw
Screw pump
Gear pump
Positive displacement pump
Peristaltic pump
This is a type of positive displacement pump that contains fluid within a flexible tube
Peristaltic pump
Screw pump
Gear pump
Positive displacement pump
It acts as power source for starting primary and auxilliary engine
Main marine air compressor
Air compressor
Deck marine air compressor
Emergency marine air compressor
They are small and portable for maximum mobility
Deck marine air compressor
Main marine air compressor
Emergency marine air compressor
Air compressor
They provide as a backup power
Deck marine air compressor
Emergency marine air compressor
Main marine air compressor
Air compressor
This compressors compensate for any existence potential leaks
Topping up
Dodging up
Bottoms up
Up up tanginamo
This is a device that converts power using electric motor
Air compressor
Ejector pump
Drain valve
Mechanical pump
. This compressor are generally used for pressures range from 70 psig to 100 psig
Single stage
Double stage
Triple stage
Stage fright tanga
Pressures range from 100 to 250 psig
Single stage
Double stage
Kantutan stage
Stage fright tanga
Dynamic compressor which depends on transfer energy from a rotating impeller to the air - rotary centrifugal compressor
Rotary centrifugal compressor
Centrifugal compressor
Rotary compressor
Air compressor
What should you do presence of moisture
Drain
Open valve
Skimming
Chloride test
What is the best thing to do when you heard an alarm in engine room
Alarm silence
Proceed to open area
Acknowledge the alarm
Takbo kasi bading ka
This is the production of fresh water
Distillation
Condensation
Evaporation
Elimination
It is a called a product of evaporation and condensation process
Rain
Steam
Boiler exhaust
Cooling medium
Used to extract the fresh water out from the sea water
Distillate pump
Seawater pump
Air pump
Drain valve
This is the result of the liquid containing a reasonable amount of sensible heat - flash evaporation
Flash evaporation
Flash condesation
Flash elimination
Flash elimination
Salinity of distilled water produce from fresh water generator does not depend
Temperature
Distilled level
Liberty
Salinity level
The process of heating the liquid mixture to a vapor
Distillation
Evaporation
Condesation
Elimination
The amount of distilled water produce onboard will decrease if
The efficiency of the heat exchanger will decrease
The efficiency of the heat exchanger will increase
The efficiency of the heat exchanger will maintain
Click to avail liberty
Scale formation will not lead in the fresh water generator
Increase production deficiency
Decrease production deficiency
Maintain production deficiency
All of the above
This is the use to maintain the low pressure in the chambers and to remove any gases
Air ejector
Water ejector
Ejector pump
None of the above
It is a process of surface heat transfer from one liquid to the other
Heat transfer
Thermo transfer
Heat exchange
Heatstroke
In the heat exchanger two liquids of different (blank) are designed to flow
Temperature
Air
Water
Steam
A type of heat exchanger where in a tube bundle fitted in the shell
Shell tube type
Flat tube type
Plate type
Reverse osmosis
A type of heat exchanger where in a number of plates
Shell tube type
Flat tube type
Plate type
Reverse osmosis
An arrangement of seal at the fixed end gaskets fitted between a each other -
Single pass
Double pass
Triple pass
Bounce pass
Between the plates provides passage way between adjacent plates
Single pass
Double pass
Triple pass
Bounce pass
The shell is usually made of close grain(blank)with surface required
Cast steel
Cast iron
Castahin kita
Aluminum
The tube stock is made of stress relieve aluminum brush
Aluminum
Cast steel
Cast iron
Castahin kita
This is a machine used on ships that is use to let out such as anchor
Windlass
Anchor winch
Anchored quill
Celestial polyphony
. It is used during mooring or loading and unloading
Mooring winch
Anchor winch
Windlass
Anchored quill
Mechanical device that is use to call out device
Winch
Mooring
Anchor
All of the above
This steam are most often use to lower an emergency life boat
Davit system
Solar system
Skeletal system
Space heater system
The windglass is usually powered by an electric or
Hydraulic
Pneumatic
Manual
Compressor
A dig machinery use for loading or unloading cargo
Crane
davit system
Backhaw
Tow
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