110 Flashcards
The machine operator frequently can give the troubleshooter
Valuable information
Mechanical, hydraulic and pneumatic systems allare worked on by the
Mechanical troubleshooter
The purpose of good maintenance is to
Keep machines and equipment working
A maintenance specialist reports to craft supervisors in all plant departments in a plant organized under
Central organization
In a large plant, the buiding mantenance group is most likely to be made up of
Electricians, mechanics, plumbers, carpenters, and painters
All communication is essentially a cycle of ___ steps
Four
When you give a person a chance to express himself, you may
Find him easier to work with
Writing down an order
Helps prevent misunderstandings
Before you make a repair you should
Find out what your responsibilities are
It you have a problem or complaint about your job. you should
Report it directly to your supervisor
If possible, you should schedule repair work for a time when
The machine is not in use
Before you can diagnose problems, you must
Be able to recognize normal operations
An ohmmeter measures
Resistance
Air supplies should be checked
When the machine is running
Your first duty in an emergency is to
Protect workers from injury
When should the troubleshooter check the machine drawings in the service manual?
Before working on the machine
Parts lists do not
Include a great deal of written technical information
High values of resistance can be measured with an
Megohmmeter
A Bourdon tube is used to measure
Pressure
Which of the following instruments measures the difference between two temperatures?
Thermocouple
The tools in your tolbox do NOT need to be
New
When should you remove your lock from the machine controls?
After you have replaced the machine guards and covers
To recheck a system alter making a repair, you should
Run the system under both automatic and manual control
Drive chains that run at speeds of over 500 feet per minute require
Constant lubrication
Which of the following condition indicates conveyer overload?
Uneven spaces between the top plates of the conveyer chain
The diagram that shovs both the extenal shape and the internal working parts of a systen or a component is a(n)
Cutaway diagram
A piping system is shown in three dimensions in an
Isometric diagram
A wing diagram shows the
Physical relationships of devices in an electrical system
Which of the following is used to trace the wing in the celings and walls of a building?
Lighting diagram
Step by step instructions for testing equipment are included in an
Troubleshooting chart
Modern precision built bearings
Hello support power transmissions shafts
Side to side movement of a shat in a sleeve bearing should be no more than
Two thousandths of an inch
NOT all centrifugal compressors have
More than one air supply
Centifugal, wet and bag are types of
Mechanical dust collectors
. Synteic coatings greaty mpove the stength and resstance o
Floor
Electical swichgear consis of
Equipment that controls, protects, and regulates machinery
- A panelboard is a small assembly that contain
Either fuses or circuit breakers
Which type of diagram shows the parts of a circuit as they actually appear to the eye
Pictorial
The basic unit for measuring electric current is the
Ampere
Potential difference is measured with an)
Voltmeter
In a normal work order procedure, which of the following jobs is done by the scheduler?
Issues the work order
Determining what parts and supplies are needed to make an emergency repair is the job of the
Emergency crew
The best approach for identifying the cause of a breakdown in automatic machinery is
Systematic one
The decision to run a machine part to the point of breakdown must be made
Very carefully
Wear of machine parts caused by contact with chernically active materials is an example of
Corrosion
The inspection and repair of plant equipment at regular intervals is called
Planned maintenance
The work order form is used for
Issuing instructions and obtaining feedback
Which of the folowing machine parts require daily lubrication?
Shafts and bearings
All of the following will cause a drive bely to deteriorate EXCEPT
To much ventilation
The sag in a drive chain should be about 1/4 in. for every ___ in. of distance between the sprocket centers
12
