Auto1
Refrigeration and Steering Gear Systems Quiz
Test your knowledge on refrigeration cycles and steering gear systems with our engaging quiz! This quiz covers essential concepts, equipment, and the characteristics of working fluids used in these systems.
Key Topics:
- Refrigeration systems
- Steering gear mechanisms
- Control systems in machinery
What working fluid that is considered an enviro-friendly refrigerants?
Refrigerant 11
HFC 134A
Refrigerant 22
Fresh water
Which cycle common used in the refrigerators and air conditioners?
Vapor-compression cycle
Condenser-compression cycle
Evaporator-compression cycle
Compression cycle
What part converts the high pressure liquid to low pressure liquid?
Evaporator
Compressor
Expansion valve
Condenser
What refrigerant may employ in large air conditioning system and cargo cooling system?
Primary
Secondary
Tertiary
Fresh water
What part in the refrigeration cycle that reduces the volume and creates high pressure gas?
Evaporator
Compressor
Expansion valve
Condenser
What part in the refrigeration cycle that makes the items cold?
Evaporator
Condenser
Ex. Valve
Compressor
What cause of the icing of the compressor?
Flooded condenser with refrigerant
Flooded condenser with refrigerant
Flooded evaporator with refrigerant
Flooded expansion valve with refrigerant
What cause low pressure of the Compressor?
Suction valve throttled
Deficient refrigerant supply
_________________deals with cooling and dehumidifying the air _________-deals with cooling and freezing.
Airconditioning
Refrigeration
Ventilation
Humidifying
What kind of refrigerant that is considered with zero-ozone depletion?
Refrigerant HFC 134A
Ammonia
Refrigerant 11
Refrigerant 22
What part converts low pressure liquid to low pressure gas?
Evaporator
Condenser
Expansion valve
Condenser
What is the possible reasons of intermittent running of the Compressor?
Refrigerant supply insufficient
Clutch pads
Vibration
High temperature
What part in the refrigeration cycle that converts the high pressure gas to high pressure liquid?
Condenser
Evaporator
Expansion valve
Compressor
What cause of the high pressure of the Compressor when running?
Air lock in the system
Refrigerant supply insufficient
Clutch pads
Malfunction
What indications in the sight glass that presence of bubbles?
Too much refrigerant
Presence of flue gas
Lacks of refrigerant
Low temperature
What part in the refrigerant cycle that hot liquid cools due to pressure decrease resulting in cold refrigerant
Expansion valve
Condenser
Evaporator
Compressore
What part in the refrigeration cycle that the hp gas before being condensed to become hot liquid?
Expansion valve
Condenser
Compressor
Evaporator
The refrigerant is then pushed to the ___________ which turns the vapor into liquid and absorbs some of the heat
Condenser
Compressor
Evaporator
Expansion valve
What is the normal DP of the Reefer Compressor , where it considered operating at optimum capacity.
1.5 bar
3 bar
25-30 bar
20-25 bar
The refrigeration cycle starts and ends with the _______________..
Condenser
Evaporator
Compressor
Expansion valve
Which of the following items considered characteristics of working fluid ie refrigerant?
High condensing pressure
High latent heat of vaporization
Low specific heat of the liquid
Fire resistance fluid
What part in the refrigeration cycle converts low pressure gas to high pressure gas?
Compressor
Evaporator
Condenser
Expansion valve
In hydraulic and electro-hydraulic systems, hydraulic pressure is developed by hydraulic pumps which are mainly driven by ___________ (electro-hydraulic systems) or sometimes through purely ___________ means (hydraulic systems).
Mechanical
Hydraulic motors
Electrical motors
Pneumatic
There are two types of commonly used steering gear systems at present: What are they?
Electro-hydraulic
Pneumatic
Hydraulic
Electrical-mechanical
What do you call In proportional control band that the deviation from the measured value and desired value?
Hunting
Off-set
Control band
Error
What is peculiar color of good combustion inside the Boiler Furnace?
Red
Orange-red
Yellow-red
Yellow-orange
Which of the following items were considered as major parts of steering gear system?
Control unit
Power unit
Central unit
Command unit
What is the normal/ideal viscosity of boiler fuel , which is to be kept at entire operation?
7-8 cst
10-12 cst
15-20 cst
3-5 cst
The main control of the steering operations is at the _____ of any ship
Rudder
Helm
Bridge
Super structure
The steering gear system generates a ________ at a certain scale which is then is transmitted to the ________ that turns the rudder
Rudder stock
Centrifugal force
Transmission force
Torsional force
Which controller action that the output varies at a rate proportional to the deviation between measured and desired value. It is used to remove the offset from the system?
Proportional
Integral
Derivative
Proportional-integral-derivative
What control where the change in output of the controller is proportional to the input signal produced by the environmental change (commonly referred to as an error) which has been detected by a sensor?
Proportional
Integral
Derivative
PID
With one of the power units inoperative, the rudder shall be capable of turning 15 degrees port to 15 degrees starboard (and vice-versa) within a time frame of ________ minute with the vessel moving at half its rated maximum speed of _________ knots
1 , 7
2, 8
1, 5
2, 10
_________________to the rudder stock, It is the means by which the movement of the rudder is accomplished
Control
Transmission
Power
Operation
How do call a signal represents the desired value of a controlled variable?
Offset
Hunting
Deviation
Setpoint
The ram-type steering gear arrangement produces a considerably high value of torque for a given applied power. The hydraulic oil pressure varies from ____________ bars
100-200 bars
100-150 bars
100-175 bars
50-100 bars
One particular of Electric Type of Steering Example is Ward-Leonard system
True
False
Which major part of Steering gear that conveys the desired rudder angle from bridge to steering flat?
Steering control unit
Power control unit
Command control unit
Transmission control unit
What controllers being used at present situation for boiler control?
Proportional
Integral
Derivative
PID
What control method has gained a wide acceptance, due to the closeness of inference logic to human thinking, and has found applications in some power plants and power systems.
Puzzy logic control
Fuzzy logic Control
Power Logic Control
PID logic control
What elements are needed to generate the appropriate control signal applied to the plant?
Control unit
Control elements
Control variable
Signal
What the call in PID Controller method that calculates the difference between a measured process variable and a desired set point (desired outcome)?
Hunting
Offset
Setpoint
Error value
What terms in controller that target a value point to be maintained?
Offset
Hunting
Desired value
Error value
Which of the following not included or belongs to the main requirements for the boiler automation?
Economical operation
Efficient operation
Onboard ship the automation of the boiler plant usually located in a specific location, how many locations designed being preferred for its constructions?
isolated room covers entire plant
One whole covers entire plant
One room cover entire room
2 room covers entire plant
What do you call In proportional control band that the deviation from the measured value and desired value?
Control band
Offset
Hunting
Power unit
In PID Controller method of boiler automation how the various set points were arranged relevant to controls for temperatures, pressures, levels etc?
Fix order
Digital order
Numeral
Chronological
What do you think the specific control station of the boiler automation onboardship?
Boiler control room
Helm
Main control room
System unit
When the PID Controller method of boiler automation becomes unstable?
Malfunction
Fluctuations
Repairs
Maintenance
What terms in controller that continuously senses the system parameter e.g temperature, pressures?
Measured value
Parameters
Error value
Desired value
What control where the change in output of the controller is proportional to the input signal produced by the environmental change (commonly referred to as an error) which has been detected by a sensor?
Proportional
Integral
Derivative
PID
How the controllers sent its controlling parameters and measured value?
Signal
Control unit
Power unit
Control elements
How do call a signal represents the desired value of a controlled variable?
Set point
Offset
Reference point
Error point
Which of the flwg. considered NOT belongs to the Purpose of Automated Fuel Oil Purifiers?
Increase equipment profitability
Performance efficiency
Economic efficiency
All of the above
What is the other namesake of Automated Fuel Oil Purifiers?
Clarifiers
Oil dehydrators
Purifyer
Separator
What pressure controls being monitored in SCADA and PLC based control methods?
Oil pressure
Water pressure
Steam drum
Air pressure
What will be the end results in case the boiler water not properly treated from the presence of water particles resulted to corrosion and scaling on boiler tubes internals?
Malfunctions
Long downtime and expensive maintenance
Where do you think is the location of Liquid Line Drier Filter onboardship Refrigeration Automation System?
Between the Condenser and Thermo-Expansion Valve
Between the compressore and condenser
Between the compressor and evaporator
Between the condenser and evaporator
Which of the flwg items considered NOT belongs to the IMPORTANCE of Automation of FO Purifier
Vibration monitoring during its operational condition
Optimal monitoring during its operational condition
Which amongst the listed items were considered NOT belongs to the proper treatment and purification of boiler feedwater?
Boiler water separator
Sapa is always the answer
What components in hydraulic system capable of dissipating heat from the fluid?
Accumulator
Hydraulic motor
Hydraulic cylinder
Reservoir
Which of the flwg. considered NOT belongs to the Purpose of Automated Fuel Oil Purifiers?
Fuel Sludge Clarifiers
Sotto is always the answer
Where do you think is the location of Oil Separator onboardship Refrigeration Automation System?
Between the evaporator and condenser
Between the compressor and expansion valve
Between the Compressor and Condenser
Between the refrigeration system
Where do you think is the location of Sensing bulb onboardship Refrigeration Automation System?
Between the evaporator and condenser
Between the Compressor and Condenser
Between the Compressor and Evaporator
Between the refrigeration system
Which amongst the advantages of PID Controllers where the controller stabilizes the gain but produces a constant steady-state error?
Proportional
Integral
Derivative
PID
Where do you think is the location of Solenoid Valve onboard ship Refrigeration Automation System?
Between the Condenser and Thermo-Expansion Valve
Between the Compressor and Evaporator
Between the Compressor and Condenser
Between the refrigeration system
What do you think about the time required by the main air compressor to fill its reservoir from “0” to maximum pressure (30Bar) in compliance with SOLAS requirements?
4 hours
3 hours
2 hours
1 hour
What temperature controls being monitored in SCADA and PLC based control methods?
Fresh water
Jocket water
Feedwater
Salt water
What component in hydraulic system that was constructed to hold system of hydraulic demands fluid in a convenient location for the pump inlet.
Accumulator
Cooler
Oil reservoir
Hydraulic motor
Which of the flwg items considered NOT belongs to the IMPORTANCE of Automation, Monitoring and Alarms of FO Purifier?
Partial Desludging
Sapa
Sotto
Sealing Water Low Supply LPA
What component in refrigeration system that extracts oil from the hot gas in the discharge line and return it to the Compressor Crankcase?
Oil separator
Oil reservoir
Accumulator
Hydraulic motor
What type of Air-Cond System considered as the most popular due to its basic simplicity?
Zone Control System
Ozone control system
Air control system
Pneumatics control system
Which amongst the listed items NOT belongs desirable properties of a refrigerant are:
Free from corrosive
Fire resistance
Low specific heat
Not flammable
What do you think about the absolute differences between the Zone Control System and Double Duct System of Accommodation Air-cond onboard ship?
Differences in boiling requirements
Differences in cooling requirements
Differences in Heater requirements
Differences in requirements
Where do you think is the location of suction Filter Drier onboard ship Refrigeration Automation System?
Between the expansion valve and Evaporator
Between the Compressor and Evaporator
Between the Compressor and condenser
Between the expansion valve and compressor
{"name":"Auto1", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge on refrigeration cycles and steering gear systems with our engaging quiz! This quiz covers essential concepts, equipment, and the characteristics of working fluids used in these systems.Key Topics:Refrigeration systemsSteering gear mechanismsControl systems in machinery","img":"https:/images/course6.png"}
More Quizzes
AUXMACH
100500
AUXSIM
7035163
MAINTENANCE AND REPAIR FINAL EXAM REVEIWER
36180
PHASE 2 - SALES EXECUTIVE INTRODUCTION - Day 2
12613
Air con
703544
NOTHING HAPPENS
5025383
PEPPA P3
201061
EMAR302: Bedplates & Crankshafts
10525
PASGT
189108
FSG#005_DONE 01.12.2020
15813
FSG#003
1267
Electro-Mechanical Engineering Quiz
1589