NEIEP Installing and Servicing Jacks (805) Practice Test

These questions are part of the practice quiz. Start practicing

• What is the primary advantage of a hydraulic jack compared to a mechanical jack?
• What type of ground surface is best for operating a jack?
• What is the electrochemical reaction between a metal and its environment called?
• The auger bit resembles which of the following?
• What are the two types of cathodic protection systems?
• What system does a hydraulic elevator utilize to lift the elevator car?
• How should plunger sections be stored when not in use?
• The capacity of the hoisting equipment used to lift the cylinder must be capable of handling what type of load?
• What kind of maintenance do hydraulic jacks require?
• The operation of a percussion drill rig can be compared to which of the following?
• What could happen if a jack is used on an incline?
• The first section is held for coupling purposes by a what?
• If the distance between the terminal landings varies as much as 1", what should be done?
• What is one advantage of using hydraulic elevators in lower buildings?
• Which test is a good initial method for checking an elevator for cylinder leaks?
• What issue can arise if the casing is welded crooked?
• What is the primary goal of using a bailer during drilling?
• What simple device can be used to move a pump unit?
• Why is it important to avoid overextending the jack handle?
• What type of environment is best for operating jacks safely?
• What is the result of poor hydraulic fluid quality in jacks?
• What should you never do while a jack is lifting a vehicle?
• If hard rock is present, when is it usually better to drill the hole?
• The jack hole must be drilled straight, plumb, and to the proper what?
• What term describes the material that is found in the stuffing box of a hydraulic jack?
• Which practice is essential when moving equipment in elevator servicing?
• What training is recommended for individuals using automotive jacks?
• What prevents the plunger from leaving the hydraulic jack assembly?
• What is the function of a jack's handle?
• What factor is crucial for effective drilling when soil conditions are challenging?
• Which of the following is NOT a common type of jack used in auto service?
• How should jacks be stored when not in use?
• Why is it important to regularly inspect a jack?
• If threads are used, what must line up when assembly is complete?
• How can you ensure your jack remains functional for a long time?
• Why is it important to evenly distribute load when using multiple jacks?
• What does the term "jack cycle" refer to?
• In comparison to hydraulic elevators, what do traction elevators require more of for operation?
• What is the easiest way to prevent jack overloading?
• Which type of jack is versatile and often used for general lifting tasks in garages?
• What is the function of the cylinder in a hydraulic elevator jack?
• What condition indicates that the cylinder has a "dog leg" when alignment is checked?
• What is the consequence of exceeding the weight limit of a jack?
• What can be a result of using a malfunctioning jack?
• Which part of a hydraulic jack contains the oil necessary for operation?
• What measurements are essential for selecting the correct replacement packing?
• How can maintaining a hydraulic jack enhance its lifespan?
• Which types of drill rigs are typically used inside a building?
• Where should elevator equipment be stored?
• What is a critical step after using a jack?
• What is the primary concern during any repair process?
• Plunger splices are made by ______ or ______ them together.
• Percussion drilling is mainly used where an ______ hole is needed or where ______ earth boring tools cannot be used.
• A cylinder joint should be what first to prevent warping?
• What can improper jack usage lead to?
• What should you do if you're inexperienced with using jacks?
• What is the primary role of the head in a hydraulic jack assembly?
• Which type of drilling equipment is often required for deep hole drilling?
• What is the primary function of the packing in a hydraulic jack?
• Plunger surfaces should be cleaned with ______ and coated with ______ before being lowered into the cylinder.
• Which practice can help prevent accidents while using jacks?
• Which characteristic distinguishes a floor jack from a bottle jack?
• Which part of the hydraulic system is primarily involved in lifting the elevator?
• What kind of hole is created using percussion drilling?
• Core drilling is normally used on what type of soil?
• How should scaffolds be treated during installation and operation?
• Which factor is crucial for jack safety during operation?
• When should a jack be replaced instead of repaired?
• What does the term "lifting point" refer to for a vehicle?
• Welding should be done by whom?
• What type of equipment are plungers and cylinders classified as?
• Where should the jack be positioned when lifting?
• What is the purpose of using sand for backfilling a hydraulic cylinder?
• What is the primary reason to ensure proper positioning of the jack?
• What is the purpose of a jack adapter?
• What feature is commonly found on high-quality jacks to prevent unintentional release while lifting?
• Which of the following is NOT one of the basic parts of a hydraulic jack assembly?
• What should be the foremost thought when entering the pit?
• In cathodic protection, where does corrosion primarily occur?
• Why should you keep the jack's moving parts clean?
• What can cause hydraulic fluid to become contaminated?
• What can be a consequence of using a jack on uneven ground?
• What is a potential danger of using a jack without jack stands?
• When unloading a pump unit, which parts should be handled with care to avoid damage?
• What is the significance of a jack's height range?
• What type of lines need to be attached to the cylinder to check for straightness?
• What is a common sign of a properly functioning hydraulic cylinder?
• How can you safely lower an elevated vehicle with a jack?
• What could happen if a jack is overloaded beyond its capacity?
• Why is it important to use jack stands alongside a jack?
• When should the jack and its accessories be inspected?
• Which safety feature is essential for hydraulic jacks?
• Which type of jack is primarily utilized for lifting heavy transmissions?
• What is a major benefit of using an adjustable jack?
• Why should you avoid placing limbs beneath a vehicle supported only by a jack?
• What must be documented during the installation process of hydraulic elevators?
• Which factor can improve the safety of using a jack?
• What component connects the plunger to the car sling in hydraulic elevators?
• Why should a vehicle be in gear or have its parking brake engaged when using a jack?
• Which of the following is an indicator that a jack needs maintenance?
• Who holds responsibility for ensuring safety precautions while working as a team?
• When lifting a vehicle, what is the first step?
• Which device is commonly used to plumb a hydraulic cylinder?
• What does the term "load capacity" of a jack refer to?
• Proper alignment during assembly is crucial to avoid which issue?
• When installing a one piece jack assembly, what must be positioned before the jack is completely lowered?
• When threading the couplings together, care must be taken to avoid what?
• What type of material should be used for backfilling a cylinder?
• What should be inspected before using a hydraulic jack?
• The auger bit is generally used for which type of soils?
• A Frenchman, Leon Edoux, developed the first what type of hydraulic elevator?
• What might indicate that a jack is difficult to operate?
• The most common method to retain earth while drilling a jack hole involves installing what?
• Once the hole is drilled, cased, and plumbed, what should be done before leaving the site?
• How should you position yourself when operating a jack?
• In some cases, what might need to be done to remove the cylinder?
• Where should the wire for the spider be suspended?
• What is an extension pipe in the context of jacks?
• How often should jacks be inspected for safety?
• What is one of the first steps in ensuring safety during repair work?
• What component of the hydraulic jack assembly raises and lowers the elevator car?
• How is a hydraulic elevator typically operated?
• Which of the following describes rotary drilling?
• To facilitate the removal of old packing and the installation of new, what should be opened?
• What is typically used to ensure a tight sealing during repacking?
• What is the primary purpose of a jack in automotive service?
• Which of the following is NOT an important factor to consider when drilling the jack hole?
• What is a primary reason for using a transmission jack specifically?
• Cylinder sections should be what before assembly?
• What type of energy do hydraulic elevators primarily depend on?
• What is the role of an anode in cathodic protection?
• Which unit is responsible for supplying oil to the jack assembly in hydraulic systems?
• What is critical to do after identifying a leak in the system?
• What is the role of the release valve on a hydraulic jack?
• What should be ensured about the condition of electronic parts when handling hydraulic pump units?
• What is a common cause of jack malfunction?
• What is the leading cause of hydraulic cylinder failure?
• How can users ensure that a jack is functioning properly?
• The distance from the top terminal landing to the bottom terminal landing must be checked against the ________.
• Which two major causes of corrosion are noted in the context?
• The first section to be lowered into the hole in a multi-section cylinder assembly is the what section?
• What cost advantage do hydraulic elevators typically offer builders over electric elevators?
• What safety precaution should always be taken when using a jack?
• When repacking an elevator with a remote machine room, it is important to establish ______.
• What precaution should be taken when working in the hoistway while someone is working above?
• What additional safety measure should be in place for the car?
• What equipment may be required to safely access mechanical areas of an elevator?
• Why is familiarity with vehicle specifications important for using jacks?
• One of the most dangerous repairs to perform on a hydraulic elevator is ________.
• What should be done with the rock or soil waste after drilling a hole?
• The hoistway, machine room, and jack location are found on the ______ ______.
• What should you do if your jack becomes unstable while lifting?
• Which tool is used to check if the casing is straight and plumb?
• What material is the core bit typically made from?
• How can slippery surfaces affect the use of jacks?
• What material are hydraulic jacks often filled with?
• Which of the following can contribute to corrosion in metal structures?
• Why is it important to follow the manufacturer's instructions when using a jack?
• What should be placed on the cylinder whenever you leave the pit?
• Which of the following is not a type of corrosion?
• Percussion drilling inside a building can cause what effect?
• C.W. Baldwin's hydraulic elevator in 1872 is noted for revolutionizing the industry by using what combination?
• What should you do if a jack will not rise?
• What should you do if the jack starts making unusual noises?
• What should be verified before performing any maintenance on an elevator?
• Which safety equipment is recommended when working with jacks?
• What is a critical factor in ensuring the effectiveness of a jack?
• What does "stability" refer to when using a jack?
• How does a hydraulic jack function?
• Why is it necessary to familiarize oneself with the vehicle's service manual?
• What may need to be done to the jack hole prior to installing a new jack?
• If a cylinder has a leak, what should be done to the elevator?
• What is the purpose of using emery cloth on plunger surfaces?
• In a hydraulic jack, the assembly's movement is primarily facilitated by which component?
• When should barricades be installed on a construction site?
• What should be kept on hand when burning or welding in the hoistway?
• What is a common example of a specialized jack accessory?
• What should be used during the entire backfilling operation?
• What is a common material used for jack construction?
• What is the recommended way to ensure safe operation when a jack is fully loaded?
• What is a potential consequence of not using a jack stand after elevating a vehicle?
• What should be done if a jack starts to leak hydraulic fluid?
• Which component is contained in the head of a jack?
• A one piece jack assembly consists of a cylinder and what additional component?
• Which type of valve is used to prevent jack overload?
• What does "rated capacity" refer to in regard to jacks?
• Name three general classes of drilling.
• What is used to keep the hole cleaned out during drilling?
• What should you do before performing maintenance on a vehicle supported by a jack?
• What is the major operational difference between traction and hydraulic elevators?
• Which of the following is crucial for ensuring safety while using a jack?
• In order to replace the cylinder, how should the car be positioned?
• What ensures smooth operation in a hydraulic elevator system?
• Why is it recommended to work with a partner when operating a jack?