TPC Schematic and Symbols Practice Test

These questions are part of the practice quiz. Start practicing

• What type of component is represented by a zigzag line on a schematic diagram?
• What allows fluid to flow back into a hydraulic reservoir from the system?
• What identifies field-wiring terminals on a refrigeration wiring diagram?
• Which symbol would typically represent an electrical transformer in a schematic?
• Which of the following materials is NOT typically used in hydraulic systems?
• What does the color red typically represent in TPC schematic lines?
• What type of connection does a dotted line signify in a TPC schematic?
• What is included in the symbol for standard dimensions of a weld?
• How does a motor symbol differ from other component symbols on a schematic?
• How is a synchronous motor typically represented in TPC schematics?
• What is typically used to represent an inductor in TPC schematics?
• When drawing a welding symbol, what is typically included to indicate the weld type?
• What is a disadvantage of a welded joint in piping systems?
• What do the symbols in a TPC schematic represent?
• How can an isolation switch be identified in TPC schematics?
• What is the symbol for a ground connection on a schematic?
• Which electrical component can be traced using the circuit’s power supply?
• What characterizes an SPDT switch compared to other types of switches?
• What does the displayed symbol represent?
• What is considered the best starting point for tracing an electrical circuit?
• The symbol represented illustrates which type of joint?
• What does the symbol displayed typically represent in a schematic?
• What do both a fuse and circuit breaker do in a circuit?
• What symbol typically denotes a transformer in TPC schematics?
• Which type of diagram commonly focuses on the flow of electricity?
• How can you identify a transformer in a TPC schematic?
• In a TPC schematic, what does a solid line typically represent?
• Which displayed symbol represents a screwed tee fitting?
• What does an alternate flow pattern in a piping system indicate?
• What does an inductor symbol look like in a TPC schematic?
• How are resistors represented in TPC schematics?
• Another name for a _______-way valve is a multiple-position valve.
• What symbol is used to represent a speaker in TPC schematics?
• What does an acoustic signal source symbolize in TPC schematics?
• What type of systems do hydraulic and pneumatic systems belong to?
• What does the number 2 represent when pipe and fitting sizes are indicated as follows?
• What is an essential feature of fillet welds?
• How is a diode represented in a TPC schematic?
• Which symbol indicates a ground connection in a TPC schematic?
• What do wires labeled "L" on a schematic primarily carry?
• What is the primary use of a load in an electrical circuit?
• What kind of diagrams are used to represent alternate flow in a piping system?
• What does the pump in a hydraulic system provide?
• What is a characteristic feature of a bell-and-spigot joint in piping systems?
• What type of circuit allows the current path to go from one load to the next?
• When pipe and fitting sizes are indicated as 3" x 4" x 2", what does the '2' represent?
• Which of the following is included in the five part definition of a schematic?
• What is the role of ground in a TPC schematic?
• A schematic is primarily made up of what components?
• Unlike a DC circuit schematic, a schematic of an AC circuit will have no?
• What does a relief valve do when it is normally closed?
• What is the significance of specifying welds in schematic designs?
• What is the importance of including a flag symbol in a weld symbol?
• How is a variable resistor represented in TPC schematics?
• What does the symbol for a motor controller look like in TPC schematics?
• What do the standard dimensions for welds often specify?
• On a refrigeration schematic, the following symbol indicates a switch that opens on?
• What does a potentiometer symbol indicate in TPC schematics?
• On a hydraulic or pneumatic diagram, local areas are outlined by which of the following?
• What do arrows on piping diagrams indicate?
• Which type of projection provides a three-dimensional view of a piping system?
• How is a voltage regulator represented in TPC schematics?
• What is the symbol for a capacitor in TPC schematics?
• How is an inductor represented in TPC schematics?
• In a fluid power schematic, which line typically represents a drain line?
• What is the purpose of a TPC schematic?
• In TPC schematics, how is a resistor typically represented?
• Local areas on a hydraulic or pneumatic diagram are typically outlined by what?
• In a piping system, what does an alternate flow pattern indicate?
• How are antennas represented in TPC schematics?
• How is chamfering indicated in a welding symbol?
• How is a phototransistor represented in TPC schematics?
• What is the purpose of using labels on components in TPC schematics?
• In the context of hydraulic schematics, what does a downward pointing arrow usually signify?
• In electrical schematics, what does a ground symbol indicate?
• What does the diode symbol represent in TPC schematics?
• How are transformers represented in TPC schematics?
• When compared to a pictorial representation of a system, a schematic is:
• What symbol depicts a switch in a TPC schematic?
• What type of flow does a pump in a fluid system primarily provide?
• The symbol shown below designates the valve is _______ operated.
• In a schematic, which symbol typically represents a power supply?
• On an electrical diagram, a dashed line indicates a(n):
• What does a D shape represent on a schematic drawing?
• Welding is classified based on what criterion?
• Why might a schematic diagram be divided into local areas?
• How is a circuit breaker symbol represented in TPC schematics?
• Which of the following is not a characteristic of DC circuits?
• How is a fuse represented in TPC schematics?
• Which fitting is commonly used to change the direction of pipe flow?
• In a refrigeration schematic, what does the designated symbol indicate regarding the pressure?
• Which symbol is typically associated with a globe valve?
• What aspect does a wiring diagram primarily focus on?
• The refrigeration accessory symbol typically represents what component?
• Which of the following types of weld does not require chamfering?
• What visual representation indicates positive voltage in TPC schematics?
• If a schematic carries no legend, clues about it may be found in the parts list, drawing title, and?
• In a hydraulic schematic, how is the 2-in. dimension typically indicated?
• In an A/C and R system, thermostatic expansion valves and ADR valves are utilized for what type of control?
• What does a schematic symbol representing a diode indicate?
• Which valve type is commonly used to control the flow rate in a piping system?
• What happens to a thermistor's electrical resistance as temperature increases?
• How is a multi-way switch represented in a TPC schematic?
• What does a microcontroller symbol look like in TPC schematics?
• What type of symbol is included in a composite symbol displayed on the diagram?
• What device can change the direction of flow in a piping system?
• What is the primary function of a gas-charged accumulator?
• What symbol is typically used to indicate electrical connections on a schematic?
• In the symbol below, which element designates the welding finish?
• How is a crystal oscillator represented in TPC schematics?
• What symbol indicates a NOT gate in TPC schematics?
• How is a PCB (Printed Circuit Board) represented in TPC schematics?
• What is the primary advantage of using a schematic diagram?
• How is a circuit breaker represented in TPC schematics?
• Which displayed electrical symbol represents an SPDT switch?
• Which of the following best describes the symbol for a battery in TPC schematics?
• How is a digital signal represented visually in TPC schematics?
• The displayed symbol typically represents a receiver in which type of system?
• Which type of diagram emphasizes connections between components rather than the flow of materials?
• How does a wiring diagram represent the connections of a circuit?
• In which type of schematic do dashed lines not typically represent flow?
• What is the last step in troubleshooting an electrical circuit when using a schematic?
• What is the purpose of using reference designators in TPC schematics?
• What does a buck converter symbol represent in TPC schematics?
• How are junctions indicated in a TPC schematic?
• What does the symbol for an inductor look like in TPC schematics?
• In refrigeration wiring diagrams, how are field-wiring terminals identified?
• How are trimming potentiometers depicted in TPC schematics?
• What does a solid square represent in a TPC schematic?
• What type of system is characterized by the fluid being reused repeatedly in hydraulic or pneumatic applications?
• A well prepared schematic begins with and returns to the:
• What component in a hydraulic system prevents a vacuum from forming when the liquid level decreases?
• What does a rectangle symbolize in a TPC schematic?
• What do parallel lines typically represent in a TPC schematic?
• The symbol in the schematic below represents which type of valve?
• What component is indicated by a broken line in a TPC schematic?
• How do you represent a temperature sensor in TPC schematics?
• What does the symbol for a battery look like in TPC schematics?
• What does a resistor symbol look like in TPC schematics?
• In an electrical diagram, what does a dashed line represent?
• Which type of projection provides a three-dimensional view of a piping system?
• When welding in the field, what additional symbol is included for the weld?
• In a fluid power system, what component reacts to pressure and performs work?
• What do arrows indicate in TPC schematic diagrams?
• How do you denote an integrated circuit in a TPC schematic?
• Which type of valve is effective in regulating the flow of fluid?
• What type of lines indicate vent lines and drain lines on a hydraulic schematic?
• How is a fuse represented in a TPC schematic?
• How are AC voltage sources depicted in a TPC schematic?
• How are diodes represented in TPC schematics?
• The symbol depicted represents what type of accumulator?
• How are parallel circuits represented in TPC schematics?
• What does a pressure gauge measure in a hydraulic system?
• What does a labeled rectangle typically signify in TPC schematics?
• Which of the following is typically NOT included in a schematic diagram?
• What is the significance of a dashed line in a TPC schematic?
• What shape typically describes the representation of a transformer in TPC schematics?
• How is an 'AND' gate typically represented in a TPC schematic?
• What solid-state device in an A/C system can amplify and switch electrical signals?
• A cock valve is used to:
• What aspect is essential for welding to ensure joint integrity?
• What does the symbol for an operational amplifier look like?
• What does the symbol for a lightbulb look like in TPC schematics?
• What are double-line drawings of a pneumatic system known as?
• Which displayed electrical symbol represents connecting wires?
• In piping systems, which diagram type best illustrates detailed information?
• What do the colors of lines indicate in a TPC schematic?
• Which element of a hydraulic braking system directs the flow of the brake fluid?
• What does the rectangle shape represent in a TPC schematic?
• What does the fan symbol represent in TPC schematics?
• What is the purpose of using pictorial diagrams in schematic representations?
• What does an 'OR' gate symbol look like in a TPC schematic?
• What is the meaning of a triangle symbol in TPC schematics?
• Which button is indicated by the marking "FOR" in the displayed diagram?
• What does the lightning bolt symbol represent in TPC schematics?
• What is a device that uses electricity called?
• Which displayed electrical symbol represents a normally closed contact?
• What does the refrigeration accessory symbol represent?
• What representation is used for a capacitor in TPC schematics?
• What type of symbol is typically used for a diode in TPC schematics?
• The basic method of fusion welding that uses the "squeeze-and-heat" process is _________ welding.
• What is the common use of a voltmeter in electrical schematics?
• How are ground connections represented in TPC schematics?
• In a DC circuit, the flow of electrons occurs in how many directions?
• Which diagram shows the connections of circuit parts in a non-electrical format?
• Which component in an electric control circuit shows wiring to be installed at the site?
• What does a series circuit look like in a TPC schematic?
• The symbol shown usually represents what type of joint?
• What does "fusion" welding involve when joining two materials?
• Which of the following best describes a TPC schematic?
• How does a thermistor's electrical resistance change as pressure increases?
• Which type of diagram shows how the circuit functions?
• What classification is used to describe welds made without filler material?
• When several wires follow the same path, they may be represented as a ___________ line on a wiring diagram.
• How are connection points represented in TPC schematics?
• A composite symbol is created by combining what types of symbols?
• Which schematic element indicates a junction or connection point of multiple wires?
• Which symbol is used to represent a relay in TPC schematics?
• What symbol represents a ground fault circuit interrupter (GFCI) in TPC schematics?
• A composite symbol is created by combining which types of symbols?
• What symbol indicates a DC power source in TPC schematics?
• What does a wiring diagram show about circuit parts?
• Which displayed symbol represents a valve in the closed position?