MAINTENANCE AND REPAIR FINAL EXAM REVEIWER
Heat Exchanger Maintenance Quiz
Test your knowledge on heat exchangers, maintenance, and repair with this comprehensive quiz! Designed for professionals and students in the engineering field, this quiz covers essential concepts, applications, and best practices.
Key Features:
- 36 engaging questions
- Covers plate type and shell-and-tube heat exchangers
- Perfect for exam preparation or self-assessment
IT is an heat exchanger that is fabricated from round tubes that are settled in, and run parallel to a shell.
Plate type
Turbo charger
Shell and tube type
Pumps
Used for engine cooling water and lubricating oil cooling that have been traditionally been circulated with sea wate?
Shell and tube type heat exchanger
Plate type heat exchanger
Heat exchanger
Compressor
It deals the liquid across the tubes as it flow through the cooler.
Bonnet
Tub sheet
Tie rod
Baffles
What is the usual method of sewing the tube plates?
Heating
Roll-expand
Bending
Welding
How much latter treatment consist of closing the sea water to a strength of ____for an hour per day for few weeks?
1ppm
2ppm
3ppm
4ppm
It is fitted across flanges and cooler sections where there are rubber joints and O rings.
Metal connectors
Flanges
Joints
Seals
Are made up to have a fixed tube plate at one end and a tube plate at other end which is free to move when the tubes expand or contact.
Shell
Tube stacks
Tube bundle
Disc
Unprotected cast iron in contact with sea water suffers from ?
Graphitization
Abrasion
Corrosion
Cracks
It is important in the sea water circulating pipework where sacrificial a modes are installed?
O RINGS
Electrical continuity
Metal
Connectors
Soft iron sacrificial anodes have been fitted with?
Gland packing
Gasket
Water boxes
Sealants
The failure of heat exchanger is mostly caused by?
Abrasion
Leakages
Fouling
Corrosion
Most common corrosion site are in?
Heat exchanger
Baffles
Casing
Sealing
The main causes of tube bundle corrosion and abrasion except one.
Fouling and corrosion
The fluid is corrosive
Crescive corrosion occurs
Leaking
Which of the following best describes a plate type heat exchanger?
A heat exchanger consisting of cylindrical tubes
A heat exchanger made of stacked plates with fluid passages
A heat exchanger with a single large plate
A heat exchanger with a serpentine tube design
Plate type heat exchangers are commonly used in applications involving:
Low-pressure steam condensation
High-temperature gas cooling
Liquid-to-liquid heat transfer
Air-to-air heat exchange
The primary advantage of plate type heat exchangers over shell-and-tube exchangers is:
Lower cost
Higher heat transfer efficiency
Greater resistance to corrosion
Easier maintenance
How are the plates in a plate type heat exchanger sealed together to prevent fluid leakage?
Welding
Riveting
Bolted connections
Gasket sealing
Which of the following fluid flow patterns is typically used in plate type heat exchangers to enhance heat transfer?
Laminar flow
Turbulent flow
Plug flow
Batch flow
Plate type heat exchangers are suitable for applications with high temperature differences between the two fluids. (True/False)
TRUE
FALSE
He "corrugation" on the plates of a plate type heat exchanger is designed to:
Increase the overall size of the heat exchanger
Improve structural rigidity
Enhance heat transfer by creating turbulence
Prevent fouling and scaling
Which of the following is NOT an advantage of a plate type heat exchanger?
Compact size
Easy maintenance and cleaning
Low pressure drop
Suitable for high-pressure applications
In plate type heat exchangers, the "approach temperature" refers to:
The temperature difference between the two fluids at the inlet
The temperature difference between the two fluids at the outlet
The average temperature of the two fluids throughout the heat exchanger
The temperature of the heat exchanger's surroundings
The effectiveness of a plate type heat exchanger is influenced by:
Fluid flow rates and heat exchanger dimensions
The type of gasket material used
The color of the plates
The type of heat transfer fluid
Plate type heat exchangers are commonly used in the food and beverage industry due to their:
Resistance to high temperatures
Ease of disassembly for cleaning
Compatibility with aggressive chemicals
Ability to handle high pressure differentials
What is the typical range of plate thickness used in plate type heat exchangers?
1 to 5 millimeters
10 to 20 millimeters
50 to 100 millimeters
100 to 200 millimeters
The flow arrangement where both fluids flow in a parallel, but opposite direction is known as:
Counterflow
Crossflow
Parallel flow
Recirculating flow
What material is commonly used for the plates in a plate type heat exchanger, considering its thermal conductivity and corrosion resistance?
Aluminum
Stainless steel
Copper
Brass
Plate type heat exchangers are not suitable for handling fluids with high viscosity. (True/False)
TRUE
FALSE
WHAT ARE THE DEVICE USED TO PROTECT THE CYLINDER AND PISTON BY ABRASION?
AIR FILTER
AIR CHAMBER
LUBRICATOR
INTERCOOLER
WHAT IS THE DEVICE INSTALLED TO PROTECT AIR COMPRESSOR IN BACK PRESSURE?
AIR FILTER
NON-RETURN VALVE
DRAIN VALVE
RELIEF VALVE
WHAT IS INSTALLED IN PIPELINE BEFORE THE AIR RESERVOIR?
DRAIN VALVE
NON-RETURN VALVE
INLET VALVE
DELIVERY VALVE
WHAT DO YOU CALL THE DEVICE USED TO ADD ENERGY TO BE FILLED TO INCREASED IN -- AND PRESSURE?
HEAT EXCHANGER
MOTOR
PUMP
COMPRESSOR
WHAT IS THE FIRST JOB OF A PUMP?
ADD PRESSURE TO FLUID
CREATE VACUUM
COMPRESS TO LIQUID
NONE OF THE ABOVE
WHAT WELL HAPPEN WHEN THE TURBOCHARGER SNORT?
NORMAL OPERATION
SURGING
OVERPRESSURE
LOSS REVOLUTION
WHAT IS THE REMEDY WHEN THE TURBOCHARGER IS HASSING?
INCREASE SPEED
DECREASE SPEED
INCREASE FUEL CONSUMPTION
DECREASE PRESSURE
WHAT IS PURPOSE OF INSTALLING TURBICHARGER ON LARGE DESIEL ENGINE?
INCREASE
INCREASE EFFECIENCY
UTILIZE ENERGY
LOSS
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