TPC 102 Flashcards
A SCHEMATIC IS MADE UP OF
SYMBOLS AND LINES
DOUBLE LINE DRAWINGS THAT SHOW THE INTERNAL DETAILS OF A PNEUMATIC SYSTEM ARE CALLED
CUTAWAY DRAWINGS
IN A DC CIRCUIT THE ELECTRONS FLOW FROM
ONE DIRECTION ONLY
ARROWS ARE USED ON PIPING DIAGRAMS TO INDICATE THE
DIRECTION OF FLOW
IN A PIPING SYSTEM AN ALTERNATE FLOW PATTERN IS INDICATED BY A
SUPPLEMENTARY DIAGRAM
ON AN ELECTRICAL DIAGRAM A DASHED LINE INDICATES
EXPOSED WIRE
VENT LINES AND DRAIN LINES ARE SHOWN ON A HYDRAULIC SCHEMATIC BY
DASHED LINES
IF A SCHEMATIC CARRIES NO LEGEND CLUES ABOUT IT MAY BE FOUND IN THE PARTS LIST DRAWING TITLE AND
ENGINEERS NOTES
THE SYMBOL DISPLAYED REPRESENTS A
GAUGE
WHAT IS THE LAST STEP IN TROUBLESHOOTING AN ELECTRICAL CIRCUIT WHEN USING A SCHEMATIC
EXAMINE THE ACTUAL CIRCUIT
WHICH DISPLAYED ELECTRICAL SYMBOL REPRESENTS CONNECTING WIRES
CROSSING LINES WITH DOT IN THE CENTER (C)
WHICH DISPLAYED ELECTRICAL SYMBOL REPRESENTS AN SPDT SWITCH
(A) LINE BETWEEN TO DOTS (TOUCHING TOP DOT)
WHICH DISPLAYED ELECTRICAL SYMBOL IS A TRANSFORMER
(D) 2 SQUIGGLY LINES FACING EACH OTHER
WHICH DISPLAYED ELECTRICAL SYMBOL REPRESENTS A FUSE
(C) BOX WITH 2 CAPS
WHICH DISPLAYED ELECTRICAL SYMBOL SHOW NC CONTACTS
(D) 2 “T’S” (ONE UPSIDE DOWN) WITH SLASH THROUGH THEM
AN ELECTRIC CIRCUIT IN WHICH THE CURRENT PATH GOES FROM ONE LOAD TO THE NEXT IS CALLED A _______ CIRCUIT
SERIES
AN ELECTRIC CIRCUIT THAT ALLOWSS EACH LOAD TO BE TURNED ON OR OFF INDEPENDENTLY OF THE OTHER IS A _____ CIRCUIT
PARALLEL
A WIRING DIAGRAM SHOW HOW THE PARTS OF A CIRCUIT ARE CONNECTED
EXTERNALLY
WIRES LABELED ‘L’ ON A SCHEMATIC
CARRY POWER FROM THE SOURCE
IN THE DISPLAYED DIAGRAM THE “FORWARD’ BUTTON IS MARKED
FOR
THE FLOW OF MATERIAL IN A PIPING SYSTEM IS CONTROLLED AND ADJUSTED BY
VALVES
WHICH DISPLAYED SYMBOL REPRESENTS A FLANGED JOINT
(D) 2 PARALLEL LINES CROSSING HORIZONTAL LINE
DIRECTION OF FLOW IN A PIPING SYSTEM MAY BE CHANGED BY A
ELBOW
WHAT PART OF A PIPING SYSTEM CONNECTS 2 PIPES OF DIFFERENT DIAMETERS
REDUCER
WHICH DISPLAYED SYMBOL REPRESENTS A SCREWED TEE FITTING
(C) PERPENDICULAR LINES WITH 3 CROSSES
A VALVE IS USED TO _______ IN A PIPING SYSTEM
CONTROL THE FLOW
A COCK VALVE IS USED TO
TURN FLOW ON OR OFF QUICKLY
WHICH DISPLAYED SYMBOL REPRESENTS A GLOBE VALVE
(B) THE BOW TIE WITH CIRCLE IN THE MIDDLE
A CHECK VALVE
ALLOWS FLOW IN ONLY ONE DIRECTION
IN THE SYMBOL DISPLAYED THE 2” DIMENSION IS INDICATED BY THE LETTER
(C) C
BOTH HYDRAULIC AND PNEUMATIC SYSTEMS
ARE FLUID POWER SYSTEMS
IN A FLIUD POWER SYSTEM A ______ REACTS TO THE PRESSURE OF THE FLUID AND DOES THE WORK
ACTUATOR
THE DISPLAYED SYMBOL REPRESENTS A _______ IN A _________ SYSTEM
RECEIVER;PNEUMATIC
THE BASIC SYMBOL FOR A VALVE SHOWS ITS CONNECTIONS, FLOW PATHS, AND
FUNCTIONS
WHICH DISPLAYED SYMBOL REPRESENTS A VALVE IN THE CLOSED POSITION
(C) 4 T’S (2 ARE UPSIDE DOWN)
THE COMPOSITE SYMBOL DISPLAYED INCLUDES THE SYMBOL FOR A
ELECTRIC MOTOR
WHICH ELEMENT OF A HYDRAULIC BRAKING SYSTEM DIRECTS THE FLOW OF THE BRAKE FLUID
VALVE
IF THE FLUID IN A HYDRAULIC OR PNEUMATIC SYSTEM IS USED AGAIN AND AGAIN IT IS CALLED A _______ SYSTEM
CLOSED
ON A HYDRAULIC OR PNEUMATIC DIAGRAM LOCAL AREAS OUTLINED BY WHICH OF THE FOLLOWING
(B) LINE DASH DASH LINE DASH DASH
WHICH OF THE SYMBOLS BELOW INDICATES A SOLENOID OPERATED DEVICE
(A) RECTANGLE WITH A LINE IN IT
IN A REFRIGERATION SUBSYSTEM OF AN A/C AND R SYSTEM WHAT IS ANOTHER TERM FOR AN EVAPORATOR
LIQUID CHILLER
WHAT DOES THE DISPLAYED SYMBOL REPRESENT
ROTARY COMPRESSOR
IN AN A/C AND R SYSTEM THERMOSTATIC EXPANSION VALVES AND ADR VALVES ARE USED ON _______ CONTROL
DIRECT
IN A DIAGRAM FOR AN ELECTRIC CONTROL CIRCUIT WHICH OF THE FOLLOWING SHOWS WIRING TO BE INSTALLED AT THE SITE
(C) DASH DASH DASH DASH DASH
WHAT SOLID STATE DEVICE IN AN A/C SYSTEM CAN AMPLIFY AND SWITCH ELECTRICAL SIGNALS
TRANSISTOR
FUSION WELDING MEANS JOINING 2 MATERIALS BY ________ THEM TOGETHER
MELTING
THE BASIC METHOD OF FUSION WELDING THAT USES THE SQUEEZE AND HEAT PROCESS IS ______ WELDING
RESISTANCE
WHICH OF THE FOLLOWING IS A SYMBOL FOR A WELD WITH CHAMFERING
(B) LINE STRAIGHT DOWN MEETING A DIAGNOL
IF THE PART IS TO BE WELDED IN THE FIELD THE WELD SYMBOL INCLUDES A
FLAG
STANDARD DIMENSIONS FOR A WELD
MAY APPEAR IN A LEGEND ON THE WELDING DIAGRAM
