TPC Troubleshooting skills

The diagram that shows both the external shape and the internal working parts of a system or a component is a(n)

Cutaway diagram

Parts lists do NOT

Include a great deal of written technical information

Which sense is not used to tell if a machine is operating normally?

Tasting

Wear to machine parts caused by contact with chemically active materials is an example

Corrosion

Which of the following represents the best way of presenting a message to get a person's cooperation?

"If it is done this way, you will be more productive."

The sag in a drive chain should be about 1/4 in. for every __________ in. of distance between the sprocket centers.

12

How long does it generally take to get a PM system up and running smoothly?

About a year

When should you remove your lock from the machine controls?

After you have replaced the machine guards and covers

The basic unit for measuring electric current is the

Ampere

When giving instructions, what is the best way to make sure your message was understood?

Ask the listener questions about what you said

Drive chains that run at speeds of over 500 feet per minute require

Constant lubrication

Before you can diagnose problems, you must

Be able to recognize normal operations

Which of the following is a nonverbal communication method?

Body language

What is the major cause of problems in a hydraulic system?

Dirt

A panelboard is a small assembly that contains

Either fuses or circuit breakers

In a large plant, the building-maintenance group is most likely to be made up of

Electricians, mechanics, plumbers, carpenters, and painters

Electrical switchgear consists of

Equipment that controls, protects, and regulates machinery

Which component(s) in an HVAC system typically need the most attention?

Filters

When you give a person a chance to express himself, you may

Find him easier to work with

Synthetic coatings greatly improve the strength and resistance of a

Floor

All communication is essentially a cycle of __________ step(s

Four

Modern precision-built bearings

Help support power-transmission shafts

Writing down an order

Helps prevent misunderstandings

What is the most important part of a planned maintenance program?

Inspection

A piping system is shown in three dimensions in a(n)

Isometric diagram

In a normal work-order procedure, which of the following jobs is done by the scheduler?

Issues the work order

The work order form is used for

Issuing instructions and obtaining feedback

The purpose of good maintenance is to

Keep machines and equipment working

Which of the following is used to trace the wiring in the ceilings and walls of a building?

Lighting diagram

How does a continuity tester show that a circuit is complete?

Lights a lamp

Where should you look when you need to find out if a machine has been modified?

Machine history record

What is the most useful part of a service manual for a troubleshooter

Maintenance and adjustment section

NOT all centrifugal compressors have

More than one air supply

Which of the following instruments measures potential differences

Multimeter

The tools in your toolbox do NOT need to be

New

A wiring diagram shows the

Physical relationships of devices in an electrical system

The inspection and repair of plant equipment at regular intervals is called

Planned maintenance

A Bourdon tube is used to measure

Pressure

Your first duty in an emergency is to

Protect workers from injury

Which of the following uses infrared radiation to detect hot spots in equipment

Pyrometer

If you have a problem or complaint about your job, you should

Report it directly to your supervisor

An ohmmeter measures

Resistance

To recheck a system after making a repair, you should

Run the system under both automatic and manual control

Which of the following machine parts require daily lubrication?

Shafts and bearings

The best approach for identifying the cause of a breakdown in automatic machinery is

The systematic one

Why might a manufacturer leave disassembly instructions out of their service manual?

The warranty is voided if an unauthorized person performs disassembly

Which of the following instruments measures the difference between two temperatures

Thermocouple

All of the following will cause a drive belt to deteriorate EXCEPT

Too much ventilation

Side-to-side movement of a shaft in a sleeve bearing should be no more than

Two thousandths of an inch

Which of the following conditions indicates conveyer overload?

Uneven spaces between the top plates of the conveyer chain

The machine operator frequently can give the troubleshooter

Valuable information

The decision to run a machine part to the point of breakdown must be made

Very carefully

Potential difference is measured with a(n

Voltmeter

When should an emergency team make temporary repairs on a key machine that is down?

When replacement parts will not be available for weeks

To keep fragile tools from being damaged, they should be stored in

a drawer-type chest

Wear caused by the improper use of a machine would be classed as___________ wear

abnormal

A maintenance specialist reports to craft supervisors in all plant departments in a plant organized under

central organization

Numbers near the arrows found on lighting diagrams indicate the

circuit number

On an electrical schematic, subassemblies are designated by a __________-line outline

dashed

The gauge number of a wire is based on its

diameter

The output of a substation depends on an industrial plant's

distance from substation

The best way to communicate a message to others is to

eliminate distractions

A troubleshooter uses a mechanics stethoscope to detect

faulty gears

One of the first signs of bearing failure is

high bearing temperature

The primary job of a maintenance troubleshooter is to __________ problems.

identify and correct

A piping schematic usually shows the size of each pipe by indicating the

inside diameter

The millwright is used as a(n) __________ in many maintenance organizations

jack-of-all-trades

Notes about a machine failure and the steps taken to correct it should be written on the

maintenance record card

When performing a test run on a machine, you should

make notes for the work order

At the time a new machine is installed, the maintenance worker should learn as much as possible from the

manufacturer's rep

When you measure the timing of operations on a lathe, you are performing a(n) __________ test.

mechanical

High values of resistance can be measured with a(n)

megohmmeter

Where should you make the first check when a fault occurs at the end of a series of actions?

midway

Binding in a pneumatic actuator is typically caused by

misalignment

The motion of a machine's parts when operating causes __________ wear

normal

Which type of diagram shows the parts of a circuit as they actually appear to the eye?

pictorial

When troubleshooting a machine, your first step should be to

read the equipment record

When making a test run run on a machine you should

remove the guards

For record-keeping purposes, all equipment should be classified according to

required inspection interval

Informal training that can prepare you for repairing a piece of equipment could include

studying the blueprints

Schematics are line diagrams that use __________ to show how a system works

symbols

Step-by-step instructions for testing equipment are included in a(n)

troubleshooting chart

When you measure the timing of operations on a lathe, you are performing a(n) __________ test.

visual