Southwestern Line Constructors Apprenticeship and Training (SWLCAT) 1-3 Practice Test

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• A circuit with zero resistance is referred to as a ___ circuit.
• Which type of rope provides the best resistance to dynamic loading?
• What is the common chemical source of electricity that we encounter in everyday life?
• Semiconductors typically have how many electrons in the valence shell?
• Which particle has a negative charge and rotates around the outside of the nucleus of the atom?
• True or False: Light can be employed to force electrons out of their orbits.
• When using the prefix 'milli' in the metric system, by what factor is a unit multiplied?
• What is the maximum number of electrons that can be held in any orbit?
• Wire rope strands are laid around a central core of either IWRC or what?
• Which material is considered the best semiconductor?
• Conversions in the metric system typically involve multiplying or dividing by powers of what?
• A ___ is a measurement that compares a number to 100.
• What should a person do to bond onto a grounded tower when transferring from a hook ladder?
• What portion of the rope is not involved in making knots, hitches, or bends?
• What type of lay indicates that the rope coils receive extra support and stability?
• During the trenching process, what is an important factor to consider regarding attachments?
• What is the name of the process that involves joining two dissimilar metals using heat to facilitate electron transfer?
• What should you treat a communication line contact as?
• How can the base of a ladder be made more stable on grass or gravel?
• What can be inferred about the current flow in a short circuit?
• In the context of wire rope, what does the term "lay" refer to?
• What is a more permanent and efficient method for joining two ropes than a knot?
• Which type of battery is known for being rechargeable?
• What are the two primary purposes of a hand line?
• What is the maximum number of electrons that the valence shell can hold?
• To which standard are digger derricks manufactured and tested?
• Wire rope is selected based on how many factors?
• According to DOT requirements, how many points of tie down are required when securing loads?
• What term describes materials with partially filled valence rings?
• Which of the following statements about semiconductors is accurate?
• What is a loose or slack part of a rope between two ends called?
• When operating a machine, how far should people keep away for safety?
• What is an advantage of lowering the center of gravity of equipment during trenching?
• Whole numbers, along with the operations of addition, subtraction, multiplication, and division, form a mathematical system called the ___.
• The flow of electrons is always from the pole of an electrical energy source that has an _____ of electrons to the pole that has a ____ of electrons.
• What device is used to produce electrical potential by heating two dissimilar metals?
• Voltage is defined as what?
• A short circuit has very little or zero what?
• What should you do if you encounter a dangerous situation on-site?
• True or false: the absolute value of any number will always be a positive number or zero.
• Knots can reduce the strength of a rope by approximately what percentage?
• Which method is most effective for preventing unraveling of wire rope?
• How many feet should the top of an extension ladder extend above catwalks or lofts?
• Which type of ropes are most commonly used for tag lines?
• What is the primary characteristic of a superconductor?
• What happens to the electrical potential of a thermocouple when the temperature of the junction increases?
• Which type of stranded rope has one size wires on the outside layer and another size wires in the next layer?
• Semiconductors are used in the construction of ___.
• Is fiber core rope stronger than WSC or IWRC?
• What is the name for a typically larger diameter rope used for non-critical loads?
• True or false: It requires more energy to remove electrons from atoms with their outer orbit over half filled to capacity?
• What is indicated by the "Warning" safety alert?
• What do warning stickers on electric or gas powered machines indicate?
• The type of circuit that would have the highest or maximum current flow is a(n) what?
• How many valence electrons do conductors generally have?
• Which of the following is NOT a safe practice when using a ladder?
• How many electrons can the first shell of an atom contain?
• What is the minimum wire rope breaking strength required to lift 8,000 pounds?
• What document should be consulted for specific safety, service, and operating information for a piece of equipment?
• Which particle is found in an atom's nucleus and has no electric charge?
• To avoid overreaching on a ladder, where should your hips be positioned?
• Which of the following is not considered to be a hitch?
• What term describes the chemical actions caused by passing an electrical current through matter?
• The direction of current flow is defined as the ___ of the circuit.
• What type of material is essential to creating a potential difference through the piezoelectric effect?
• To convert from one unit of measurement to another, a conversion factor must be equal to what?
• A(n) ___ is the smallest particle to which an element can be reduced yet still retain the characteristics of that element.
• What is the system of measurement most commonly used in the United States?
• What should you check for on a trencher boom?
• Which of the following are the two types of lay for wire rope?
• Extension ladders up to 36 feet should have a minimum of a ___ overlap between sections when extended.
• For current to flow in a circuit, what must exist?
• If working with two hands is necessary while on a ladder, where should you belt into the ladder?
• In an atom, what is the primary function of the nucleus?
• Which circuit type could potentially provide a shorter path for current to return to the source?
• A 6x19 wire rope classification could have as many as how many wires per strand?
• What occurs when there is a complete path for current to flow?
• When an electric strike warning system alerts an equipment operator using a boring machine, what should the operator do?
• What characterizes a short circuit in terms of resistance?
• What characteristic of Lang lay ropes makes them different from regular lay ropes?
• Each atom has the same number of which two particles?
• Electrons revolve around the nucleus in paths known as?
• Why should utilities be "potholed" before using a boring machine?
• What is the significance of maintaining a 3' overlap for extension ladders?
• ___ is the material from which all known physical objects are made.
• How does the position of the trench affect rollover concerns?
• Which particles orbit around the central nucleus of an atom?
• Electrons revolve around the nucleus in paths known as?
• Which of the following is NOT one of the five grades of wire rope?
• A weak point in a hydraulic line can result in which of the following?
• What is the role of an operator's manual in equipment use?
• What is the important action to take when alerted by an electric strike warning system while operating machinery?
• How many times greater is the mass of a proton compared to an electron?
• One amp of current flows through a wire when one ___ flows past a point in one second.
• Increasing the temperature at the junction of a thermocouple results in a greater transfer of what?
• What type of energy does photovoltaic action utilize to produce electricity?
• What is the charge of the nucleus of any atom?
• What are the small particles of energy that make up light called?
• In a thermoelectric process, the metal that gives up electrons is referred to as which pole?
• The two particles that make up the nucleus of an atom are called ___.
• As semiconductors are heated, their resistance ___
• What should workers do upon hitting a communication line?
• Which of the following describes "left regular lay" rope correctly?
• Which property of a material determines its ability to conduct electricity?
• True or false: Magnesium is considered a metal because it has two valence electrons.
• If equipment being transported is too far forward on a trailer, what issue may arise?
• Is Seale stranded rope more flexible than Warrington wire rope?
• True or False: Two people are allowed to work from a hook ladder.
• What is the maximum possible speed at which current can travel?
• When two people are working from the same hook ladder, what precaution should be taken?
• What do you call a rope that has undergone twisting in the opposite direction of a regular lay?
• For electrical energy generation, there must be relative motion between which two elements?
• What happens to like charges and opposite charges according to electrostatics?
• Lowering the attachments of a trencher will help maintain control when trenching in which direction?
• What is the maximum recommended length for a fully extended extension ladder?
• What can be displaced by an electrical current to produce pressure in a crystal?
• What is one of the conditions required for chemical methods to force electrons from an atom?
• What rope type is characterized by its construction with coils that twist to the right?
• What should be used to locate and expose utilities before trenching?
• In a system with two unlike metals submerged in an electrolyte, what term is used for the metal that accumulates electrons?
• What role does heat play in the thermoelectric process?
• In photoemission, what is used to cause electrons to flow in a vacuum tube?
• Depending on the orientation of a crystal cut, one can apply bending pressure or what other type of action to create a potential difference?
• Which device is used to measure electrical current?
• When a conductor is heated, its resistance ___.
• What is the proper hand positioning when climbing up and down towers with step bolts?
• What should be done to increase safety when working at heights?
• How many valence electrons do insulators generally have?
• The atomic particles found in the outermost orbit of an atom are referred to as?
• What is the term used for the working end of a rope?
• What force tries to cause electrons to fly off into space as they rotate about the nucleus?
• Which measurement system has been declared preferred by the US Congress?
• In the event of a gas line contact while working underground, what should not be attempted?
• One coulomb is equal to how many electrons?
• The total amount of heat produced in a conductor is directly proportional to which factor?
• What is probably the only splice still commonly seen in line work?
• When transferring from a ladder to a roof, where should you transfer from on the ladder?
• What does a volt measure?
• The quantity of protons in an element is identified by which of the following?
• How many valence electrons does copper have?
• In an electrical circuit, what causes the flow of current?
• When working on a ladder, it should, whenever possible, be:
• What two factors affect the speed of current flow?
• Why is it dangerous to check a hydraulic line under pressure for leaks with your hand?
• What does the word "Danger" signify in safety alerts?
• What gas emits light when an electrical current passes through it?
• What happens to the effective strength of a wire rope when bent over a small diameter sheave?
• True or False: Electrons in an atom are equal in number to protons.
• Electrical current is produced when an electron from one atom knocks electrons from another atom out of _____?
• What is the minimum horizontal distance a ladder's base should be placed from the top support?
• In terms of flexibility, which rope is known to be more flexible than the other?
• What is the outcome when two metals interact in an electrolyte?
• What is considered the best natural conductor of electricity?
• A volt is the amount of potential needed to cause one what to produce one what of work?
• How many electrons are present in a copper atom?
• What is the term for a solution that allows electrical conduction in liquids?
• What is the method used to prevent a rope from unraveling?
• To maintain safety, a conductor must not be overloaded because it can lead to _____.
• Which material is recognized as the best insulator?
• Electrical current primarily refers to the flow of what?
• What is the purpose of measuring the lay length of a rope?
• What distinguishes a "right lang lay" rope from other types?
• What is the unit of electrical power?
• When is it appropriate to exit the machine after an electric strike warning?
• The nucleus of an atom contains which of the following particles?
• The concept of valence is important in which type of chemistry?
• Which of the following is NOT one of the six methods known to force electrons out of their orbits?
• Which term best describes "high carbon steel" in the context of wire rope materials?
• What completes the structure of an atom orbiting the nucleus?
• Lang lay ropes have greater ___ than regular lay ropes.
• What do the letters SI refer to in metric measurements?
• What is the name of the process producing electricity by moving a conductor through a magnetic field?
• What is one reason for using a sucker truck when trenching?
• Batteries are typically categorized into primary cells and what other type of cells?
• The outer shell of an atom is commonly known as?
• What is our primary source of electric power?
• What is the atomic number for copper?
• What is generated whenever current flows through a wire due to energy used in moving electrons?
• What is the preferred method of binding the end of a wire rope to prevent unraveling?
• The letter used in Ohm's law calculations to represent current is what?
• What type of splice finishes a rope end and serves as an alternative to whipping?
• The simplest form of any matter is called a(n) ___.
• In Ohm's law calculations, voltage is indicated by which letter?
• What is a critical safety measure when trenching along a slope?
• Only electrons in the _____ shell are available to participate in electrical current flow.
• Power is directly related to the amount of what and the amount of what?
• What is true about the mass of the neutron in comparison to the proton?
• Light appears on a television screen when an electron beam hits a surface covered with what?
• What term describes the condition when photons bombard a poor conductor, enhancing its conductivity?
• One horsepower is equivalent to how many watts?
• What is essential for ladder stability on uneven surfaces?
• Which of the following methods is NOT commonly associated with generating an electrical current?
• When electrical current flows through a conductor, what type of field is generated?
• Electrons in the inner orbits are even more difficult to move than those in the _____, and are of little interest in the study of electricity.
• Electrical current flow is caused by a ____ between two poles.
• Rotation resistant ropes tend to have what compared to similar sized ropes?
• The unit of electric current is known as a ___.
• Which of the following is NOT one of the effects of electrical energy?
• What document specifies how diggers must be manufactured and tested?
• Which statement best describes the role of electrons in an atom?
• What is the most commonly used material for wire rope?
• What acronym refers to wire rope?
• What shape are the strands of performed wire ropes permanently formed into?
• Which type of rope lay is described as having coils that twist to the left?
• What is combined with electroluminescence in a fluorescent lamp to produce light?
• The property of matter that allows the flow of electrical current is known as _____.
• What knot is used as a quickly formed light-duty eye, especially in hoisting?
• What does the safety alert symbol indicate?
• What are some methods known to force electrons from the valence ring of an atom?
• What is the term for a rope type that has its coils arranged in the regular fashion?
• Which method of generating an electrical current involves applying pressure?
• Smaller sub-particles of the proton and neutron are called ___.
• What is consumed when a voltage is applied to a circuit and current flows through the load?
• Which factor is important in determining the current capacity of a conductor?
• Which method of producing light is known for having low heat loss?
• Which term indicates a potentially hazardous situation that could result in serious injury or death?
• What percentage loss of diameter due to corrosion indicates a reason for removal of rope from service?
• Which of the following particles has a positive charge?
• If too much current flows through a conductor, what hazard can occur?
• Which grade of wire rope provides enhanced performance for demanding conditions?
• Bending a wire rope over a small diameter sheave decreases its effective strength by what percentage?
• When loading equipment on a trailer, where should the weight of the machine be centered?
• The value of any ___ in our numbering system is determined by the position it occupies with a particular number.
• True or False: The outer shell of an atom contains electrons that are less mobile compared to inner shell electrons.
• Which method involves binding two objects together by wrapping ropes around them numerous times?
• What is the consequence of not adhering to safety protocols while digger derricks are in use?
• What phenomenon occurs when certain crystalline substances generate a minute potential difference under pressure?
• Which type of rope can float in water?
• What is the recommended vertical distance to place a ladder's base from its top when using a ladder?