MAINTENANCE AND REPAIR FINAL EXAM REVEIWER

Create an image of a heat exchanger in a mechanical workshop, focusing on maintenance and repair aspects, with tools and engineers in the background.

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

36 Questions9 MinutesCreated by RepairChef127

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

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

It is important in the sea water circulating pipework where sacrificial a modes are installed?

O RINGS

Electrical continuity

Metal

Connectors

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

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 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

MAINTENANCE AND REPAIR FINAL EXAM REVEIWER

Heat Exchanger Maintenance Quiz

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