Mechatronics End-of-Pathway (EOP) Practice Test

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• If a piece of 120V equipment uses 400 watts on average during a 24-hour day, approximately how many amps does it draw in that day?
• What is an interlock in PLCs?
• Which sequence correctly represents the nine steps of lockout-tagout as described?
• In a vertical milling machine, what is the cutting head called and how is it oriented?
• What are the two main types of drive belts and how are they described?
• Tension is the force applied by which component on the object it stretches?
• A feature commonly found on many digital multimeters is the ability to measure
• What energy does a battery convert to electrical energy?
• What does the color code on a resistor indicate?
• Magnetic bearings are defined as what?
• Which statement correctly contrasts normally open and normally closed contacts?
• Which statement best describes UNS (Specified United National Thread Series) threads?
• Voltage is measured in which unit?
• Which term describes the twisting of an object due to an applied torque?
• Elastic limit in mechanics is defined as?
• What is the function of an antenna in electronics?
• Which of the following is used to measure a current ?
• Which key type is most commonly used and has a square or rectangular cross section?
• Which description matches a grounded shield coax cable?
• Unified National Extra Fine (U.N.E.F) threads are characterized by which feature?
• What best defines resistance?
• What is the primary purpose of a resistor color code chart?
• Which term describes a secondary path for fluid flow in a hydraulic system?
• Which transducer varies pressure and voltage?
• What type of system gets power from the pressure of circulating fluid?
• Which description matches a fuse?
• Which key secures a member to a machine shaft and is concave to grip the shaft by friction?
• Which term describes a protective layer formed by applying solder to wire ends prior to joining?
• What is the function of a diode?
• Which component consists of parts connected together by fluid lines or passages?
• Every time PPE is used it must be which of the following?
• Which instrument provides measurements on a moving scale with a small slider and is commonly used to measure thickness and diameter?
• In mechanics, which property is defined as the force per unit area acting parallel to a surface element?
• Which statement describes a rheostat?
• Lubrication reduces wear caused by friction.
• Compression is defined as?
• In a diode, which statement is true about the anode and cathode?
• Which vacuum tube has five active electrodes, including a cathode, control grid, screen grid, suspension grid, and plate?
• In digital logic, what operation does an AND gate perform?
• What is the science that studies the conveyance of liquids through pipes?
• What is the definition of a Silicon Controlled Rectifier (SCR)?
• Which instrument uses a calibrated screw to measure small gaps with high precision?
• Which term matches the description of buttress thread properties?
• Rosin is used in soldering as which of the following?
• Which term best describes a connector that allows equipment to plug into an AC power source?
• What characterizes a shaper in machining?
• Which statement correctly describes taper rolling bearings?
• Desoldering refers to which of the following?
• Which term describes the application of balanced inward forces to a material or structure?
• Rosin is a flux used in soldering. Which option correctly describes this usage?
• Bearing lubrication frequency should be
• One of the first communications to a new employee should be the
• British Standard Whitworth (B.S.W) thread is characterized by which angle and unit system?
• Which soldering term refers to applying a thin layer of soft solder to the ends of wires before joining?
• Which statement best defines torsion in mechanics?
• Which basic digital logic gate performs conjunction?
• Which keys are used for the large heavy duty shafts?
• Transformers operate based on which principle involving coils?
• Which term describes the phenomenon that occurs when pressure drops below the vapor pressure of oil, causing bubbles that damage the system?
• Which term refers to the unit of pressure defined as force per square inch?
• Which device measures the intensity of the fluid pressure in a hydraulic system?
• Which key is semicircular and fits partially into a circular segment keyway?
• Which component stores memory when power is removed?
• In a gear pair, if one gear has 30 teeth and rotates at 90 rpm and the mating gear has 20 teeth, what is the rpm of the mating gear?
• Which formula expresses power in terms of voltage and resistance?
• Which type of bearing uses cylinders to maintain the separation between moving parts?
• What is a channel on a PLC?
• What do the color bands on a resistor represent?
• Buttress thread is also known as breech lock form and refers to two types of thread properties. One type is a lead screw type; the other is a hydraulic sealing thread form.
• Which vacuum tube has four active electrodes: a cathode, first grid, second grid, and a plate (anode)?
• What is current?
• A material safety data sheet (MSDS) provides information about first aid measures, stability, reactivity and which of the following?
• Which term describes the twisting of an object due to an applied torque?
• Which statement best describes Acme threads?
• Which device emits light when forward biased?
• The central processing unit (CPU) of a computer is commonly called the
• Which symbol represents resistance in Ohm's law?
• What does PPE stand for, and which items are typical examples of PPE?
• Which description best defines a plain bearing?
• Which key is tapered only on the side that engages the hub and has a tapered keyway?
• When servicing electronic equipment it is important to use ____ to prevent static electricity damage.
• Which term describes a tube, pipe, or hose used to conduct a fluid?
• Has a shaded dial that when used with a mirror the operator will always get a correct reading.
• Which term describes a container that keeps a supply of working fluid in a hydraulic system?
• Which vacuum tube has five active electrodes: cathode, control grid, screen grid, suspension grid, and plate (anode)?
• MSDS stands for Material Safety Data Sheet and it tells you the properties of chemicals.
• Which description matches a hard copy of the PLC program?
• What is the main advantage of a pneumatic system?
• Which key secures a member to a machine shaft and is concave to grip the shaft by friction?
• What is tinning in soldering?
• Which valve prevents back flow into the compressor?
• In a simple gear pair, which gear tends to rotate slower?
• If the blueprint uses a scale of 1/8 inch equals 1 foot, a line measuring 10 inches represents how many feet?
• N.P.T.F stands for National Pipe Taper Fuel Thread and is used on what?
• A one centimeter bolt is closest to a _____ standard bolt.
• In an SCR, which electrode is used to control conduction?
• Which statement accurately describes the British Standard Cycle (B.S.C.) thread?
• Which formula expresses power as voltage squared divided by resistance?
• Acid core flux is typically used for plumbing soldering. Which option lists the acid core?
• An electronic device runs on a 36-volt supply and draws 11 amps. What is the device's power?
• What term describes a passive two-terminal component that stores energy in a magnetic field when current flows through it?
• Which type of fire is best extinguished with water?
• Which type of rolling element bearing uses balls to maintain the separation between the bearing races?
• According to the provided conversion formulas, how many centimeters are in one inch?
• Which device controls pressure, direction, and rate of flow in a hydraulic system?
• What is a relay?
• Which expression gives voltage in terms of current and resistance?
• Which machine is described as computer numerical control and is used for cutting, carving, machining and milling in woods, MDF, plastics, foams and aluminum?
• Multiplying force by distance is the way to calculate
• What is the primary function of a lathe?
• Which milling machine uses a horizontal arbor to mount the cutters?
• Using the scale 1/8 inch = 1 foot, a blueprint line measuring 12 inches represents how many feet?
• Which meter is used to measure voltage?
• A programmable logic controller (PLC) is best described as
• What is the definition of a transformer?
• What does the binary number system refer to in PLC context?
• National Pipe Thread (N.P.T) is primarily used for what?
• Which term describes an input or output on a PLC card that requires more than one connection point?
• Which component is defined as a tapped resistor?
• National Course Thread (N.C) is the screw thread type formerly known as what?
• A thermocouple generates a voltage due to temperature difference between its junctions.
• What is the correct definition of chassis ground?
• Soldering is the process in which two or more items are joined together by melting and putting a filler metal into the joint.
• Which vacuum tube uses three active elements: a heated cathode, a grid, and a plate (anode)?
• Which statement describes a square thread?
• Using Ohm's law, how much current flows when 15.5 V is applied to 5 ohms of resistance?
• Which statement describes the use of square threads?
• Which system uses compressed gas to perform work?
• Photon is defined as what?
• UNEF stands for which of the following?
• What does the term 'potential barrier' describe in semiconductors?
• Which statement describes a potentiometer?
• Which PLC function makes the state of two mechanisms mutually dependent?
• Capacitance is defined as?
• What is the bus network in PLCs?
• Which logic gate outputs true only when both inputs are true?
• Which term describes a switch operated by rotation?
• In resistor color coding, what does the third color band indicate?
• Fiber optic cable is used for which purpose in automation networks?
• Which component provides multiple ports to connect hydraulic lines?
• Which statement best describes a diode's primary function?
• Applying lubrication to moving machine parts reduces
• What is the purpose of a battery backup in a PLC?
• Which device uses an electromagnet to control another circuit?
• Which expression gives current in terms of voltage and resistance?
• Which device transfers heat from one fluid to another?
• Torsion results from applying torque and causes which deformation?
• Bending (flexure) is best described as which of the following?
• What is the function of an AC plug?
• Which device is used to measure resistance in a circuit?
• Which component is used to interrupt a circuit when current exceeds safe levels?
• Which component is operated by rotation to select different electrical paths?
• What is the function of ground in circuits?
• Which term defines a device that transfers heat from one fluid to another?
• A person with a serious electrical injury should be moved how?
• Which device can be programmed to automate a variety of processes?
• Which device is a two-terminal adjustable resistor used to vary current in a circuit?
• Which component has 3 leads and two leads connected to maximum resistance points with a third lead wrapped around the resistor?
• A semiconductor is the result of which combination?
• Shear stress is defined as the force per unit area acting parallel to a surface element. Which option correctly states this?
• Which term describes a connector that allows electrically operated equipment to be connected to the AC power source?
• Torsion in mechanics is defined as which of the following?
• A circuit with no breaks is called a closed circuit.
• How is an electrical resistor defined?
• Single pole single throw switch (SPST) is defined as...
• Single pole double throw switch (SPDT) is defined as...
• Which device is used to hold ferromagnetic workpieces in place during setup?
• What kind of transducer varies pressure and voltage?
• Which component is used to block higher frequency alternating current in an electrical circuit?
• An application program for a PLC is defined as
• An example of an active listening skill is to
• Which statement correctly describes hydraulics versus pneumatics?
• In digital logic, what operation does an OR gate perform?
• Yield strength is the stress at which a material has undergone some arbitrarily chosen amount of deformation. Which option best matches this definition?
• What is the component that executes instructions in a computer commonly called?
• Rosin core flux is commonly used for what type of work?
• Push button switch is best described as which of the following?
• Which component provides many ports to connect multiple hydraulic lines?
• Which type of rolling element bearing uses cylinders to maintain the separation between moving parts?
• What is the basis of a thermocouple ?
• Which symbol represents current in Ohm's law?
• What is a byte?
• Which term describes a motor responsible for moving or controlling a mechanism within a hydraulic system?
• A noise level of ___ or more can cause hearing loss.
• In the lockout-tagout process, which step is performed last?
• Which term refers to a motor used to move or control a mechanism in a hydraulic system?
• What is the proper method for lifting heavy objects?
• Which statement best describes a Material Safety Data Sheet (MSDS) and its purpose?
• An ohmmeter is used to measure
• Which expression correctly defines electrical power in terms of voltage and current?
• Which symbol represents voltage in Ohm's law?
• British Standard Pipe Taper (B.S.P.T.) threads are sealed by interlocking a male and female component, with contact on the thread flanks.
• Which term refers to the process of removing air from a hydraulic system?
• In Acme thread geometry, what are the terms for the top and bottom surfaces of the thread?
• Which best describes a ball thrust bearing?
• Which device converts electrical energy into radio waves?
• Needle bearings are characterized by which feature?
• Which term describes a pressure measurement device used in a hydraulic system?
• What is a photodiode?
• Which vacuum device is defined by having two electrodes: a cathode and an anode plate?
• Which expression gives resistance in terms of voltage and current?
• National Course Thread (N.C) vs National Fine Thread (N.F) differ in which general characteristic?
• Which key is most commonly square or rectangular in cross section?
• Which of the following describes thermal expansion?
• Which logic gate outputs true if at least one input is true?
• Which law is described by the equation V = I × R?
• Which equation expresses Ohm's law?
• Which instrument has a shaded dial that, when used with a mirror, allows the operator to read the last digit correctly?
• National Fine Thread (N.F) differs from National Course Thread in that it:
• Which term describes a switch with one input and one output contact?
• Which instrument incorporates a calibrated screw and is widely used for precise measurement of components?
• Which key is tapered only on the side that engages the hub and the keyway is tapered?
• Which statement describes buttress thread properties?
• In circuit terminology, a complete circuit with no breaks is called what?
• In a schematic, the numeral 1 is often used to indicate that the circuit is
• A specialized schematic that documents an industrial control logic system is called.
• Which statement correctly describes wetting in soldering?
• Which thread standard is commonly used for fuel pipe fittings and related components?
• What term describes a unit of pressure equal to force per square inch?
• Which description matches an anchor bearing?
• Which device is defined by having two electrodes, a plate (anode) and a heated cathode?
• The proper method for lifting is to keep the back straight, spread the feet comfortably and lift with the _______ muscles.
• Anchor bearing is described as which component in a shaft assembly?
• Which term is a device that converts mechanical force into hydraulic fluid power?
• Which machine uses linear relative motion between the workpiece and a single point cutting tool to machine a linear tool path?
• What does LED stand for?
• In soldering, wetting is best described as?
• A magnetic fixture based on a magnet that can be turned on and off at will.
• Which circuit has one path for the current to flow?
• What is commonly identified as a primary source of hydraulic system impairment?
• Plain Bearings are best described as which of the following?
• Which field is the science concerned with the conveyance of liquids through pipes?
• A precision measuring device used to measure linear dimensions, thickness, or diameter.
• UNS stands for which of the following?
• In mechanics, tension is defined as which of the following?
• Which component is the same as a rheostat but uses three leads?
• Which circuit has more than one path for the current to go through?
• Which materials form the junction in a typical diode?
• Which option correctly indicates the fire type for which CO2 extinguishers are suitable?
• If a device operates at 120 V and current is 2 A, what is its power?
• Which key fits into keyways in both the shaft and the secured member in machinery?
• What is fiber optic cable used for in PLC systems?
• Which term describes a switch that is operated by a physical key?
• The 'NO' designation on a switch stands for which contact state?
• In lubrication, the primary function is to reduce friction between moving surfaces.
• A 1 centimeter bolt is closest to a standard bolt?
• Which belt type is a single continuous belt used to drive multiple peripheral devices?
• What is the function of an AC socket?
• Which safety procedure should be used to prevent static electricity damage when servicing electrical equipment?
• What does a control program print out refer to in PLC terminology?
• A thermocouple is defined as a device that uses two dissimilar metals to create what?
• Which device integrates sequential logic to automate processes and is widely used in industrial control systems?
• Which term refers to a tube, pipe, or hose for conducting a fluid?
• What does the color code on a resistor indicate?
• In bending, the external load is applied perpendicularly to the axis of a slender element, causing which result?
• A key switch is best described as a switch that is operated by what?
• The 'NC' designation on a switch stands for which contact state?
• Which is an example of nonverbal communication?
• Which formula expresses electrical power as the product of voltage and current?
• Which instrument measures electric current (amps)?
• The machine's manual most likely contains information about
• Which statement best describes a diode's current flow?
• What is the unit used to measure resistance?
• What set of quantities is commonly measurable with a digital multimeter?
• Which instrument is described as a linear measuring instrument consisting of a scaled rule with a projecting arm at one end to which is attached a sliding vernier with a projecting arm that forms an arm with the other projecting arm?
• Thermal expansion in mechanics is usually expressed as which of the following?
• What is solder?
• Halide in soldering refers to which of the following?
• Plain bearings are characterized as which?
• Which key is semicircular and fits into a circular segment keyway?