NEIEP Piping and Wiring the Machine Room and Hoistway (510) Practice Test

These questions are part of the practice quiz. Start practicing

• Wiring that must be protected from radio frequency radiation is typically what type?
• What is one piece of safety equipment that should be present on an elevator installation?
• What is the purpose of the hoistway in an elevator system?
• What is the purpose of a pressure relief valve in hydraulic elevators?
• How are interlocks typically wired in elevator systems?
• How many main classes of hazardous locations are there?
• A compensating rope sheave must be set to open if the sheave moves _______?
• Why is documenting wiring plans important?
• In hydraulic elevators, what role does the pump play?
• Which material is often used for hydraulic cylinder construction?
• Electricity always seeks what to ground?
• Wires taped together and run outside a raceway must be supported at intervals of how many feet?
• What is the primary purpose of piping in the machine room?
• Under floor raceways are well suited to installations having which feature?
• What safety feature prevents the elevator car from moving when the door is open?
• When forming an eye in solid wire, in what direction should it be wound?
• What is a key factor to consider when routing cables in the hoistway?
• What is one key limitation of rigid piping in a hoistway?
• When planning wiring, the number of wires, length of pulls, and wire routing should be recorded _______.
• Why is it important to not weld galvanized metal?
• A number 10 machine screw has a diameter of _______ of an inch.
• Which component prevents the elevator car from descending too quickly?
• What code governs the installation of elevator wiring?
• Which type of elevator system predominantly uses cable-driven motion?
• What role does the main line disconnect serve in an elevator system?
• The vertical position of slowdown switches is directly related to what?
• What is the primary risk during electric arc welding?
• Why is it important for the cover of outlet boxes to be accessible?
• All ground wires in an enclosure must terminate at what?
• Which of the following materials may not be imbedded in concrete?
• What is the purpose of using explosion-proof enclosures?
• What is the role of a position indicator in an elevator system?
• What should always be checked before using power tools?
• When an elevator is lowered using a hoistway access switch, the ASME Code allows it to move a distance equal to the measurement from where to where?
• Why is it important to store hydraulic fluids properly?
• When installing push buttons, what should one be aware of?
• What type of valves are essential for preventing backflow in tank gauges?
• How thick should the insulation be on wiring in the machine room?
• Which of the following practices enhances safety procedures in elevator systems?
• Limit switch location can be determined from which type of drawing?
• How often should fluid levels in hydraulic tanks be checked?
• What does a displacement switch indicate regarding counterweights?
• How can one ensure the safe operation of hydraulic systems in elevators?
• Duct covers must be installed with the large hole of the key slot facing which direction?
• What is the term for a single wire that supplies electrical power to multiple devices?
• What is the typical voltage used for elevator control circuits?
• What is the purpose of an emergency stop switch in the machine room?
• What is the purpose of strain supports for vertical runs of wire?
• What is the name of the panel that manages the operation of several elevators in a multi-car installation?
• The fittings on acetylene hoses are designed with what type of threads?
• When using a running car, wiring is started at the _______ of the hoistway?
• Long vertical runs of wire must be supported with how often?
• What construction material is commonly used for elevator hoistways?
• When troubleshooting, what device can provide significant support to mechanics working on elevators?
• What is the typical voltage range used for elevator control circuits?
• Which three types of wires are connected to a hall lantern?
• What additional protection against electric shock is required by OSHA on construction jobs?
• What is the wiring configuration utilized to connect interlocks in lifting equipment?
• What action should be taken if hydraulic fluid leaks are detected?
• Why is it important to ground electric power tools?
• What does the term “emergency power operation” refer to in elevator systems?
• If you must cut a section of duct, what should be firmly in place?
• What is required for a conduit riser installation at each point where branch raceways are to be installed?
• What is the maximum length that factory leads on a motor-generator set can be connected directly to the controller terminals?
• Final limits are usually set to operate how far beyond floor level?
• Groups of wires or multicords can be marked with _______ or _______?
• How can welding hoses be visually identified?
• Which two manuals are essential for a working knowledge in elevator installation?
• What could be a consequence of improperly supported elevator pipes?
• What is the maximum allowable temperature for wiring in machine room environments?
• When soldering electrical connections, which type of wire must be used with rosin core solder?
• How little current can result in electrocution?
• What color typically represents the acetylene hose in welding setups?
• Which type of wire should wire-wrap not be used with?
• Which document must be followed when designing and installing elevator systems?
• What does the term “hoisting cable” refer to?
• What type of core solder is required for soldering electrical connections according to best practices?
• In the context of electrical wiring, what does “ampacity” refer to?
• What factor must be considered when installing risers in a new high rise installation?
• The ground wire must be colored what colors?
• What is another term for a lobby panel in elevator systems?
• Which of the following is crucial for elevator safety inspections?
• What are the three types of large ring terminals or lugs?
• What should be done to safeguard against electrical shock while wiring?
• A group of insulated conductors enclosed in a protective jacket is known as a _______.
• What is meant by the term "ground potential"?
• According to the NEC Article 620-32, what is the maximum interval for supporting vertical wireways?
• How do hydraulic systems generally ensure smooth operation in elevators?
• What is the significance of grounding in elevator wiring?
• How should elevator pipes be supported to avoid vibration?
• Which two circuits are deemed most crucial in the hoistway?
• What type of valves should tank gauges be equipped with?
• Which safety feature prevents the elevator from being operated if the hoistway door is open?
• How often should hoisting cables be inspected according to industry standards?
• Which component is crucial for maintaining fluid pressure in hydraulic elevators?
• The primary reason for grounding electrical installations is what?
• The sum of the cross-sectional area of individual conductors cannot exceed what percentage of the cross-sectional area of the wireway?
• What is the purpose of the third wire in a three wire cord?
• What is a hoistway door and what is its function?
• What does the term “overload condition” refer to in elevator systems?
• What is a common safety feature in hydraulic elevators that prevents unintended movement?
• What is the common pressure range for hydraulic elevator systems?
• What is a primary consideration when selecting wiring for the machine room?
• When installing piping in the machine room, what material is often preferred for its durability?
• Which component typically remains stationary while piped flexibly for adjustment?
• Which component provides the interface between elevator operational commands and electrical signals?
• What is the purpose of emergency lighting in the machine room?
• What is one crucial consideration when determining the installer’s position of a riser?
• Which of the following is a safety protocol to follow while working with electrical equipment?
• If the raceway is run overhead in the machine room, a clear headroom of how many feet must be maintained?
• In a single speed AC motor with three leads, what type of connection is typically found internally?
• What must you be prepared for when operating a large drill motor?
• What is the function of a relay in an elevator control system?
• Outlet boxes should be installed so that the covers are what?
• In a waterproof pit, which of the following cannot be used?
• Why must hoistway doors be equipped with interlocks?
• The advantage of un-jacketed multicord is that _______?
• Which of the following is a potential hazard in the machine room?
• A raceway that is run overhead must have adequate what between it and the top of the controller?
• Which of the following describes Class 1 locations?
• What type of couplings connect piping in hydraulic elevator systems?
• What is an essential tool in forming connections within motor wiring?
• Why is moisture-resistant insulation crucial for elevator wiring?
• What functionality does a control panel provide in an elevator system?
• When planning machine room raceways, what is the most important consideration?
• What type of test is essential to perform on hoisting cables to ensure safety?
• What material is typically used for constructing traveling cables?
• What type of valve regulates the hydraulic flow in elevators?
• What is the function of the check valve in hydraulic systems?
• What material should protective clothing for electric arc welding be made of?
• When the pit is more than 5' 6" deep, what is required?
• What may be required in areas of the country where earthquakes occur?
• What is the recommended minimum clearance around electrical panels in the machine room?
• What is the function of the hoistway in an elevator system?
• The size of the ground wire is specified by the _______
• When positioning the riser, what is the main consideration for installation?
• Why is it important to regularly check the hydraulic fluid levels?
• What type of wiring is used to connect the elevator car to the machine room?
• How are interlocks wired?
• If the wire markings become lost or blurred, the wires can be identified by using a _______, a _______, or a _______?
• Which term refers to a panel that directs traffic in lobbies of elevators?
• Which type of insulation is appropriate for elevator wiring in humid areas?
• How does humidity affect the choice of insulation for elevator wiring?
• What is another name for a split-bolt connector?
• What distinguishes an automatic elevator from a manual elevator?
• What is the minimum height requirement for an elevator pit?
• The threads on fittings for acetylene hoses are designed for what purpose?
• What type of motor can be hooked up two different ways for high or low voltage?
• What is the first important safety step to take before connecting any wires?
• How does an elevator's safety brake system function?
• What type of wire is commonly used for elevator control circuits?
• What is the function of the elevator control panel?
• What is the primary purpose of using brackets or hangers for pipes in elevators?
• Limit switches should be piped with flex to allow for what?
• What is often used to provide a safety measure in the operation of elevators?
• The largest wires on an elevator installation are found in the _______?
• What is the most common injury resulting from drilling operations?
• For what purpose can a remote video monitor be effectively used by an elevator service mechanic?
• In addition to the motor fields, what else do smaller wires feed from the main driving motor?
• What must be checked regularly to ensure the safety of an elevator system?
• What is the critical purpose of the machine room ventilation system?
• Why is it important to label wiring and piping clearly in the machine room?
• What is generally indicated by the vertical position of slowdown switches?
• What is the purpose of the armature in a DC main driving motor?
• What must be done to electric power tools for safety?
• Why is regular maintenance crucial for elevator cables?
• Which device is essential for hydraulic fluid containment in the machine room?
• In what position must welding cylinders be stored and used?
• How does the elevator machine operate during a power interruption?
• A group of insulated conductors without the protective jacket is known as _______.
• Which component is responsible for controlling the direction of the elevator?
• Which component does NOT play a part in the main driving motor setup?
• The number of bends in a run of conduit cannot total more than how many degrees?
• How long can wires from the motor-generator set to the controller terminals be run exposed?
• Which of the following poses the highest risk of injury when using a drill?
• Which type of metal should you never weld or burn?
• Wire markers may not stick very well in cold weather. To overcome this, you can _______?
• What does the term "adjustable speed" refer to in elevators?
• What is the terminal designation for the winding marked T1 on a single speed AC motor with six leads?
• How is the safety buffer in an elevator system designed to function?
• What should be the initial response when a hydraulic fluid leak is detected?
• Which device is essential for preventing electrical overload on site?
• What must be checked regularly for compliance with local building codes?
• An installation with solid state controls may require which two types of raceways?
• What is the primary function of an elevator's limit switch?
• What type of cable is typically used for electronic devices?
• What safety features must be present in the machine room?
• When working with static-sensitive electronic devices, what must you wear?
• What does coated-rod arc welding release that can be hazardous to health?
• What is the best practice for storing hydraulic fluids?
• What is a common cause for wear in hydraulic elevators?
• What is a key factor when designing a hoistway wiring system?
• What should the ends of conduit stubs be to prevent dirt and moisture from entering?
• The surfaces between the cover and the box of an explosion proof enclosure consist of a _______ joint.
• What is the standard connection type for a three lead AC motor?
• What risk is associated with not addressing hydraulic fluid leaks promptly?
• What is a common safety practice for managing welding gases?
• Why are bend radius specifications important for elevator wiring?
• Wires can be marked with _______?
• Which characteristic best describes "adjustable speed" in elevators?
• What is one benefit of adjustable speed functionality in elevators?
• What is the primary safety function of the governor in an elevator system?
• Wires may be spliced in a wireway, provided that _______?
• In terms of duct installation, why must the key slot face downward?
• Un-jacketed multicord is called _______?