WorksheetsCO4 WA5 ENG
Total questions: 67
Worksheet time: 1hrs 7mins
Choose the correct statement regarding hydraulic oil.
A. Hydraulic oil is volatile.
B. Hydraulic oil is easy to burn.
C. Hydraulic oil has high viscosity.
D. Hydraulic oil has non-foaming properties.
What is the full name of the abbreviation PRV found in hydraulic components?
A. Pressure Relay Valve
B. Pressure Return Valve
C. Pressure Relief Valve
D. Pressure Recharge Valve
What is the use of a hydraulic pump?
A. Measure the oil pressure.
B. storage place.
C. Control the direction of oil flow.
D. Produces flow and pressure in the oil.
What is the use of a tank in pump hydraulics?
A. To measure the lower freezing point.
B. To record pressure automatically.
C. To detect the force on a unit surface area.
D. To store and supply fluid in a hydraulic system.
What is the use of hydraulic oil in a hydraulic system?
A. Dilutes the viscosity of the oil.
B. Energy transfer medium.
C. Control the direction of oil flow.
D. Remove dirt on the gear surface.
Which of the following are properties of hydraulic oil?
I. Easily evaporates.
II. Insoluble in water.
III. Good viscosity.
IV. Rust level protection.
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
Which of the following are types of hydraulic pumps?
I. Gear pump
II. Vane pump
III. Roller pump
IV. Piston pump
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
What is the name of the hydraulic symbol as shown in the diagram?
A. Filter
B. Motor
C. Pump
D. Pressure gauge
What is the name of the hydraulic equipment like the diagram?
A. Hose
B. Gripper
C. Clamping
D. Over Flow
What is the name of the hydraulic pump as shown in the diagram?
A. Vane pump
B. Piston pump
C. Internal gear pump
D. External gear pump
What is the name of the method of actuation symbol as shown in the diagram?
A. Air Actuation
B. Arrow Actuation
C. Solenoid Actuation
D. Foot Pedal Actuation
What is the name of the method of actuation symbol as shown in the diagram?
A. Contactor Actuation
B. Push Button Actuation
C. Pressure Regulator Actuation
D. Light Emitting Diode Actuation
What is the name of the method of actuation symbol as shown in the diagram?
A. Stroller Actuation
B. Hand Lever Actuation
C. Roller Lever Actuation
D. Microphone Actuation
What is the name of the directional control valve as shown in the diagram?
A. 3/2 Way dcv, Sensor Actuation, Spring Return
B. 3/2 Way dcv, Hand Lever Actuation, Spring Return
C. 3/2 Way DCV, Microphone Actuation, Spring Return
D. 3/2 Way dcv, Push Button Actuation, Spring Return
What is the name of the directional control valve as shown in the diagram?
A. 5/3 Way dcv, Air Actuation, Spring Return
B. 3/5 Way dcv, Air Actuation, Spring Return
C. 3/2 Way dcv, Arrow Actuation, Spring Return
D. 3/3 Way dcv, Arrow Actuation, Spring Return
What is the name of the directional control valve as shown in the diagram?
A. 2/5 Way dcv, Air Actuation, Air Return
B. 5/2 Way dcv, Air Actuation, Air Return
C. 4/2 Way dcv, Arrow Actuation, Arrow Return
D. 5/2 Way dcv, Arrow Actuation, Arrow Return
What is the function of the compressor tank?
A. Water storage place.
B. Control the compressor motor.
C. Filters air impurities from the atmosphere.
D. Receives compressed air.
What is the name of the symbol shown in the diagram above?
A. Water Filter
B. Air Regulator
C. Pressure Gauge
D. Pressure Relief Valve (Fixed)
What is the name of the valve as shown in the diagram above?
A. 3/5 Directional Control Valve, Foot Pedal Actuation, Spring Return
B. 5/2 Directional Control Valve, Hand Lever Actuation, Spring Return
C. 5/3 Directional Control Valve, Foot Pedal Actuation, Solenoid Return
D. 3/5 Directional Control Valve, Hand Lever Actuation, Solenoid Return
What is the name of the industrial automation equipment shown in the diagram above?
A. Air Filter
B. Air Pressure
C. Air Flow Meter
D. Air Service Unit
Select the type of meter used to measure resistance in a complete circuit.
A. Voltmeter
B. Watt meter
C. Ohm meter
D. Ampere Meter
Select the type of meter used to measure electrical power.
A. Voltmeter
B. Watt meter
C. Ohm meter
D. Ampere Meter
What is the power transfer medium for pneumatic systems?
A. Ambient air
B. Compressed air
C. Oil in the tank
D. Compressed oil
Name the equipment used to compress air.
A. Drilling Machine
B. Cutting Machine
C. Hydraulic Power Pack
D. Air Compressor Machine
What units are used to measure air pressure?
A. Bar
B. Ohm
C. Pressure
D. Viscosity
Which of the following is a component in a pneumatic system?
I. Relay
II. Compressor
III. Air Service Unit
IV. Main Circuit Breaker
A. I and II
B. II and III
C. II and IV
D. III and IV
What is the use of an air compressor machine?
A. Where electric charge is stored.
B. Compressed air storage area.
C. Stabilize the air pressure supplied by the compressor.
D. Compressing air from atmospheric pressure to a higher pressure.
Which of the following is the use of a pressure switch on a compressor machine?
I. Shows the wind pressure reading value.
II. Control the movement of the compressor motor.
III. Minimum and maximum compressor settings.
IV. Switch to turn on the compressor motor.
A. I and II
B. I and III
C. II and III
D. III and IV
What is the name of the pneumatic component as shown in the diagram above?
A. Flow Meter
B. Meter Gauge
C. Digital Meter
D. Pressure Gauge
What is the name of the pneumatic component as shown in the diagram above?
A. Air Flow Meter
B. Air Pressure
C. Air Filter
D. Air Service Unit
What is the name of the symbol like the diagram above?
A. Air Filter
B. Air Regulator
C. Air Lubricator
D. Engine Overheat
What is the name of the symbol like the diagram above?
A. Receiver
B. Auto Drain
C. Air Lubricator
D. Pressure Switch
What is the name of the pneumatic component as shown in the diagram above?
A. Solenoid
B. Limit Switch
C. Reed Switch
D. Air Flow Control Valve
Using Boyle's law, what is the value of the final pressure in the machine compressor? Data from the diagram: initial volume V1=20 , initial pressure P1=1 BAR , final volume V2=10 , find P2 .
A. 1 Bar
B. 2 Bars
C. 10 Bars
D. 20 Bars
What is the name of the pneumatic component as shown in the diagram above?
A. Sensors
B. Actuator
C. Diode Bridge
D. Double Solenoid
What components are used to reduce noise at the exhaust port?
A. Water Filter
B. Silencer
C. Compressor
D. 4/3 Way Valve
What is the name of the symbol like the diagram above?
A. Regulator
B. Piston Rod
C. Single Solenoid
D. Double Acting Cylinder
What is the name of the machine shown in the diagram above (an industrial air tank with motor and compressor assembly on top)?
A. Rolling Machine
B. Drawing Machine
C. Punching Machine
D. Compressor Machine
In the hydraulic/pneumatic valve schematic shown (ports labeled A, B at top; R, P, S at bottom; Z at left; Y at right), what are the names of ports Z and Y?
A. Output
B. Pilot Lines
C. Pressure Port
C. Exhaust Ports
What is the principle of a hydraulic system?
A. Mechanical control using switches
B. Mechanical control using wind
C. Mechanical control using solar light
D. Mechanical controls that use fluids or oils
Which of the following is an advantage of a hydraulic system?
I. Easy to control.
II. Sensitive to dust.
III. Can produce high power.
IV. Able to lift heavy loads with control.
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
What is the use of a hydraulic pump?
A. Measure the oil pressure
B. Oil storage place
C. Control the direction of oil flow
D. Produces flow and pressure in the oil
Which of the following are types of hydraulic pumps?
I. Gear pump
II. Vane pump
III. Roller pump
IV. Piston pump
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
What is the name of the hydraulic symbol shown (circle with an internal arrow indicating rotation)?
A. Filter
B. Motor
C. Pump
D. Pressure Gauge
What is the name of the hydraulic component shown in the diagram above (round dial indicator with pressure scale and threaded bottom connection)?
A. Pilot Light
B. Push Button
C. Kilowatt Meter
D. Pressure Gauge
What is the name of the hydraulic component shown in the diagram above (block-mounted valve assembly with screw adjustment on top)?
A. Gripper
B. Tweezers
C. Pressure Relief Valve
D. Hydraulic Power Pack
What is the name of the hydraulic symbol shown (a shuttle/check arrangement with a ball/seat allowing one-way flow)?
A. Shuttle Valve
B. Flow Control Valve
C. Check Control Valve
D. Adjustable Flow Control Valve
What is the name of the hydraulic symbol shown (single-rod cylinder symbol with spring return indication)?
A. Triple Acting Cylinder
B. Single Acting Cylinder
C. Double Acting Cylinder
D. Single Acting Return Spring Cylinder
What is the function of hydraulic oil?
A. Dilutes the viscosity of the oil
B. Energy transfer medium
C. Control the direction of oil flow
D. Remove dirt on the gear surface
What unit is used to measure the viscosity of hydraulic fluids?
A. Aircity
B. Counter
C. Viscosity
D. Pressure
What is the name of the hydraulic component as shown in the diagram above?
A. Lever
B. Stroller
C. Limit Switch
D. Push Button
What is the name of the hydraulic component as shown in the diagram above?
A. Regulator
B. Flow Meter
C. Water Pump
D. Hydraulic Power Pack
When the "Drive shaft" turns one part of the gear, the other gear will also turn.
What is the name of the hydraulic pump like the diagram above?
A. Vane Pump
B. Piston Pump
C. Internal Gear Pump
D. External Gear Pump
What is the name of the hydraulic component as shown in the diagram above?
A. Vane Pump
B. Oil Indicator
C. Electric Motor
D. Hydraulic Power Pack
What is the use of a valve?
A. Pumping oil.
B. Store oil.
C. Control the direction of oil flow.
D. Filters out dirt in the oil.
What is the name of the directional control valve as shown in the diagram above?
A. 2/2 Directional Control Valve, Hand Lever Actuation, Spring Return
B. 3/3 Directional Control Valve, Foot Pedal Actuation, Spring Return
C. 3/5 Directional Control Valve, Hand Lever Actuation, Solenoid Return
D. 5/3 Directional Control Valve, Foot Pedal Actuation, Solenoid Return
What is the name of the directional control valve as shown in the diagram above?
A. 2/2 Directional Control Valve, Foot Pedal Actuation, Spring Return
B. 2/3 Directional Control Valve, Hand Lever Actuation, Spring Return
C. 4/2 Directional Control Valve, Hand Lever Actuation, Spring Return
D. 3/5 Directional Control Valve, Push Button Actuation, Spring Return
Which of the following is a true statement about the properties of hydraulic oil?
I. Easily evaporates.
II. Insoluble in water.
III. Good viscosity.
IV. Rust level protection.
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
Which of the following is an advantage of mechanical limit switches?
I. Rustproof.
II. Cheap cost.
III. Easy to use.
IV. Has various input voltage values.
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
What is the name of the symbol like the diagram above?
A. 5/2 way dcv, air actuation, spring return
B. 4/3 way dcv, arrow actuation, spring return
C. 4/3 way dcv, water actuation, solenoid return
D. 5/2 way dcv, push button actuation, solenoid return
What is the function of a hydraulic pump in a hydraulic system?
A. Save pressure.
B. Filters hydraulic oil from dirt.
C. The fluid passageway in the system.
D. Pumps hydraulic oil to be delivered to the system.
Choose which is a property of hydraulic oil.
A. Hydraulic oil is volatile.
B. Hydraulic oil burns easily.
C. Hydraulic oil has a high viscosity.
D. Hydraulic oil has non-foaming properties.
What is the full name for the abbreviation PRV found in hydraulic components like the diagram above?
A. Pressure Relay Valve
B. Pressure Return Valve
C. Pressure Relief Valve
D. Pressure Recharge Valve
Which of the following are types of hydraulic pumps?
I. Hydraulic Gear Pump
II. Hydraulic Vane Pump
III. Hydraulic Piston Pump
IV. Hydraulic Vector Pump
A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV
Which of the following is a use of sensors in electro-pneumatic control?
I. Measure and control pressure.
II. Detects the presence of a workpiece.
III. Send the workpiece to the desired position.
IV. Detects the piston exiting and entering the final position in the cylinder.
A. I, II, and III
B. I, II, and IV
C. I, III, and IV
D. II, III, and IV
What is the use of a reed switch?
A. Detect magnetic fields.
B. Track the movement of the box.
C. Detect metal workpieces.
D. Detects non-metallic workpieces.
What is the name of the pneumatic symbol like the diagram above?
A. 2 way solenoid valve
B. 3 way solenoid valve
C. 4 way solenoid valve
D. 5 way solenoid valve
