Only Pneumatics
PRESSURE BEYOND THAT TO OVERCOME ALL RESISTIVE LOADS, DETERMINES ___.
ACTUATOR SPEED
TO CONVERT GAUGE PRESSURE TO ABSOLUTE, ___.
ADD ATMOSPHERIC PRESSURE TO THE GAUGE PRESSURE (EITHER 101 KPA OR 14.7 PSI)
WHAT FLUID IS MOST COMMONLY USED IN PNUEMATICS?
AIR
IF THE LOAD ON THE ACTUATOR CHANGES, THE PRESSURE REQUIRED TO MOVE THE LOAD WILL ___.
ALSO CHANGE
A METER-OUT FLOW CONTROL CIRCUIT CONTROLS THE SPEED OF AN ACTUATOR BY ___.
APPLYING BACK PRESSURE TO THE ACTUATOR.
EXHAUST PORT SPEED CONTROL WORKS BY CREATING ___ TO CONTROL THE RETRACT SPEED OF A SINGLE-ACTING CYLINDER.
BACK PRESSURE
THE WAY TO READ A ROTAMETER IS TO READ THE SCALE FROM THE ___.
CENTER OF THE BALL.
PASCAL'S LAW APPLIES ONLY TO WHAT?
CONFINED FLUIDS
WHAT PNEUMATIC COMPONENT PROVIDES STRAIGHT LINE MOTION?
CYLINDER
WHICH OF THE FOLLOWING IS A TRUE STATEMENT ABOUT DCV SCHEMATICS?
DCV SCHEMATICS SHOW ALL THE POSITIONS OF THE DCV.
DCV
DIRECTIONAL CONTROL VALVE
THE POPPET OF A PRESSURE REGULATOR IS CLOSED BY THE ___.
DOWNSTREAM PRESSURE
FILTERS SHOULD BE USED ON ALL PNEUMATIC SYSTEMS BECAUSE ATMOSPHERIC AIR CONTAINS:
DUST
WHAT PNEUMATIC ACTUATOR CONVERTS COMPRESSED AIR FLOW INTO ROTARY MECHANICAL POWER?
MOTOR
THE BODY OF A SINGLE ACTING CYLINDER HAS ___.
ONE CONNECTION PORT
THE 3-PORT DCV IS USED IN APPLICATIONS WHERE THE ACTUATOR NEEDS TO BE POWERED IN ___.
ONE DIRECTION
THE 3-PORT DCV IS HELD IN THE ENERGIZED POSITION BY THE ___?
OPERATOR
A NEEDLE VALVE CONTROLS AIR FLOW RATE BY CAUSING WHAT?
RESTRICTION
A PNEUMATIC MAIN LINE IS SYMBOLICALLY REPRESENTED BY A ___ LINE.
SOLID
THE 5-PORT, 3-POSITION DCV IS HELD IN THE MID-POSITION BY THE ___?
SPRINGS
WHICH OF THE FOLLOWING IS NOT A PNEUMATIC SAFETY RULE?
USE ANY CONTAINER FOR COMPRESSED AIR.
THE CONTROL DEVICES USED IN PNEUMATICS ARE CALLED WHAT?
VALVES
WHICH OF THE FOLLOWING IS NOT A PART OF A FLOW CONTROL VALVE?
VANE
TWO OF THE MOST COMMON DESIGN TYPES OF PNEUMATIC MOTORS ARE WHAT?
VANE AND PISTON
ANOTHER NAME FOR THE ROTAMETER FLOW METER IS ___.
VARIABLE ORIFICE
THERE ARE HOW MANY BASIC RULES FOR DRAWING PNEUMATIC SCHEMATICS.
7
THIS IS USED ON A PNEUMATIC SCHEMATIC TO SHOW THAT TWO CROSSING LINES ARE CONNECTED.
A DOT
PNEUMATIC LEVERAGE REFERS TO THE ABILITY OF A PNEUMATIC SYSTEM TO DEVELOP A LARGE FORCE OUTPUT WITH WHAT?
A LOW FORCE INPUT
A FLOW CONTROL VALVE IS A COMBINATION OF A ___.
A NEEDLE AND CHECK VALVE.
FLOW OCCURS BETWEEN TWO CONNECTED POINTS IN A PNEUMATIC SYSTEM WHEN ___?
A PRESSURE DIFFERENTIAL EXISTS.
TO REDUCE THE NOISE OF A PNEUMATIC 5-PORT, 3-POSITION DCV; PLACE A MUFFLER IN THE ___.
E-PORT
SMALLER DIRT PARTICLES ARE REMOVED FROM THE AIR BY THE FILTER'S ___.
ELEMENT
A METER-IN FLOW CONTROL CIRCUIT CONTROLS THE FLUID ___.
ENTERING THE ACTUATOR
AN INDEPENDENT SPEED CONTROL CIRCUIT MAY BE NEEDED WITH A DOUBLE-ACTING CYLINDER BECAUSE ___.
EQUAL EXTEND AND RETRACT SPEEDS ARE NEEDED.
APPLICATIONS FOR THE ___ SPEED CONTROLS ARE WITH CYLINDERS WHERE LOADS CAN CHANGE PERIODICALLY.
EXHAUST PORT
PRESSURE IS A MEASURE OF WHAT?
FORCE INTENSITY
THE TWO TYPES OF RESISTANCE TO AIR FLOW IN A PNEUMATIC SYSTEM ARE WHAT?
FRICTION AND ACTUATOR LOAD.
THE FLOW RATE OF AIR IS THE AMOUNT OF AIR THAT PASSES THROUGH A SYSTEM ___.
IN A CERTAIN AMOUNT OF TIME.
THE FORCE OUTPUT OF A CYLINDER WHEN EXTENDING CAN BE CALCULATED BY MULTIPLYING THE PRESSURE TIMES THE ___?
PISTON AREA
THE NET AREA OVER WHICH THE PRESSURE ACTS WHEN RETRACTING A DOUBLE ACTING CYLINDER CAN BE FOUND BY SUBTRACTING THE ROD AREA FROM THE ___.
PISTON AREA
THIS ASSEMBLY MOVES INSIDE THE BARREL-SHAPED BODY OF A CYLINDER:
PISTON/ROD
AN AIR COMPRESSOR CREATES WHAT?
PRESSURE
THE SINGLE-ACTING SPRING RETURN CYLINDER IS EXTENDED BY THE ___?
PRESSURE
___ PORT SPEED CONTROL AFFECTS THE SPEED OF AN ACTUATOR IN BOTH DIRECTIONS.
PRESSURE
BOYLES LAW STATES THAT ___?
PRESSURE IS INVERSELY PROPORTIONAL TO VOLUME.
A REGULATOR IS USED IN PNEUMATICS TO ___?
PROVIDE A CONSTANT PRESSURE TO THE CIRCUIT.
THE FUNCTION OF A NEEDLE VALVE IS TO ___.
PROVIDE A RESTRICTION TO AIRFLOW.
THIS FITTING IS TO CONNECT TWO BRANCH CIRCUITS TO A SINGLE SUPPLY LINE:
TEE
WHICH OF THE FOLLOWING IS NOT USED TO CLASSIFY DCVS?
THE NUMBER OF SPOOLS
INDUSTRY USES QUICK CONNECT FITTINGS WHEN ___.
THERE IS A FREQUENT NEED TO CONNECT AND DISCONNECT A HOSE.
A NEEDLE VALVE IS OFTEN USED IN PNEUMATIC CIRCUITS ___.
TO CONTROL ACTUATOR SPEED.
PNEUMATIC MOTORS OPERATE BY USING AIR PRESSURE TO CREATE A TURNING AIR FORCE ARE CALLED WHAT?
TORQUE
DELTA P IS THE DIFFERENCE IN PRESSURE BETWEEN ___?
TWO POINTS IN A PNEUMATIC SYSTEM.
