Tpc 102 Flashcards
Arrows are used on piping diagrams to indicate the
Direction of flow
In a piping diagram, an alternate flow pattern is indicated by a
Supplementary diagram
On a schematic drawing a triangle is used to represent all of the following, except
Amplifier
Diode
Ground
Motor
Motor
A single line drawing that uses simple outlines to represent components, is a ______ diagram
Pictorial
Unlike a DC circuit schematic, a schematic of an AC circuit will have no
+ or - signs
The symbol displayed represents a
Gauge
What is the last step in troubleshooting an electrical circuit using a schematic?
Examine the actual circuit
Which of the following lines represent a drain line on a fluid power schematic?
The term nominal means
Name
The downward, pointing arrow in the symbol, represents a relief valve that is
Normally closed (nc)
Which displayed symbol represents connecting wires
Which electrical symbol represents a normally closed contact
Which device is used to make or break contacts?
Switch
A device that uses electricity is called a
Load
The best starting point for tracing, an electrical circuit is
The power source
An electrical circuit in which the current path goes from one load to the next is called
Series
In the diagram, the ‘forward button’ is marked
FOR
When several wires follow the same path, they may be represented as a _______ line on a wiring diagram
Thick
The schematic symbol, represents a __________ switch
Disconnect
The schematic symbol below represents a ___________ contact
Normally open relay
The flow of material in a piping system is controlled and adjusted by
Valves
Which part of a piping system connects two pipes of different diameters
Reducer
Which displayed symbol represents a screwed tee fitting
The symbol below shows a _____ joint
Bell and spigot
The symbol below shows a _____ joint
Soldered
A valve is used to ______ in a piping system
Control the flow
Which symbol represents a globe valve?
In the symbol displayed the 2 inch dimension is indicated by the letter
3in x 4in x 2in
C
The symbol below represents a _____ valve
Flanged gate
The symbol below designates that the valve is _______ operated
Float
Both hydraulic and pneumatic systems are
Fluid power systems
The basic symbol for a valve shows it’s connections, flow paths, and _______
Function
Which displayed symbol represents a valve in the closed position?
When equal force must be available in both directions, a _____ cylinder actuator is used
Double-end
Another name for a _____-way valve is a multi position valve
Four
On a hydraulic or pneumatic diagram, local areas are outlined by which of the following?
Which of the following symbols represents a solenoid operated device?
A composite symbol is made by combining ______ symbols into a single symbol
Basic
The symbol below represents a
Fixed displacement compressor
The symbol below represents a(n)
Cylinder
What does this symbol represent?
Rotary compressor
In an A/C and R system, thermostatic expansion valves and ADR valves are used on _____ control
Direct
On a refrigeration wiring diagram, the field-wiring terminals are identified by
Letters
The refrigeration accessory symbol shown represents a
Line filter
On a refrigeration schematic the following symbol indicates a switch that opens on _______
Rising pressure
The basic method of fusion welding that uses the “squeeze and heat” process is ________ welding.
Resistance
How is chamfering indicated in a welding symbol?
The symbol has the shape of the chamfer
Which of the following weld types does not require chamfering?
Filet
Which type of weld is designated by the symbol below?
Spot
In the symbol below, which element designates the welding finish?
M
