Download Iowa IA Elevator Installation Exam and more Exams Technology in PDF only on Docsity!
Question 1. Which code primarily governs the safety standards for elevator installation in Iowa? A) ASME A17.1/CSA B B) IBC C) NFPA 101 D) ASME B30. Answer: A Explanation: ASME A17.1/CSA B44 is the Safety Code for Elevators and Escalators and is the primary standard used in Iowa for elevator installation. Question 2. What is the minimum clear overhead required above the top of the elevator car per ASME A17.1 for a passenger elevator? A) 36 inches B) 48 inches C) 43 inches D) 24 inches Answer: C Explanation: ASME A17.1 specifies a minimum clear overhead of 43 inches above the elevator car top to provide safe refuge space. Question 3. According to the NEC, elevator power wiring must be run in which type of enclosure? A) Flexible cord B) EMT or rigid conduit C) Open cable tray D) Direct burial Answer: B
Explanation: NEC requires elevator power wiring to be run in electrical metallic tubing (EMT) or rigid conduit for protection. Question 4. What is the required fire rating for elevator hoistway walls as per IBC? A) 1 hour B) 2 hours C) 30 minutes D) No rating required Answer: B Explanation: The International Building Code (IBC) typically requires elevator hoistway walls to have a 2- hour fire-resistance rating. Question 5. ADA standards require elevator control buttons to be mounted at what maximum height above the floor? A) 54 inches B) 48 inches C) 42 inches D) 36 inches Answer: B Explanation: ADA specifies that elevator control buttons must be no more than 48 inches above the floor for accessibility. Question 6. Which Iowa authority issues elevator installation and operating permits? A) Iowa Department of Transportation B) Iowa Department of Inspections, Appeals & Licensing (DIAL)
B) Safety gloves C) Flip flops D) Safety harness Answer: C Explanation: Flip flops are not considered PPE; proper footwear is required for safety. Question 10. According to OSHA, confined space entry into an elevator pit requires what? A) Only a flashlight B) Confined space permit and atmospheric testing C) No preparation D) Bringing lunch Answer: B Explanation: Elevator pits may be considered confined spaces and require proper permits and atmospheric testing before entry. Question 11. What is the minimum pit depth required for most passenger elevators? A) 12 inches B) 48 inches C) 36 inches D) 24 inches Answer: D Explanation: A minimum pit depth of 24 inches is commonly required to accommodate buffers and provide safe access.
Question 12. What device prevents accidental movement of the elevator car when workers are in the pit? A) Pit ladder B) Pit stop switch C) Guide rail D) Hoist rope Answer: B Explanation: The pit stop switch disables elevator movement to protect workers in the pit. Question 13. What is the function of a traveling cable? A) Provides lighting in the hoistway B) Transmits electrical signals and power between car and controller C) Raises the car D) Grounds the machine room Answer: B Explanation: Traveling cables transmit power, control, and communication signals between the car and stationary equipment. Question 14. Which rigging device is best for lifting heavy elevator components? A) Nylon sling B) Rope C) Chain fall D) Wire Answer: C Explanation: Chain falls are designed for controlled lifting and lowering of heavy loads.
Explanation: Schematic or ladder diagrams provide the necessary details for understanding elevator wiring. Question 18. What must be verified before energizing an elevator control circuit? A) All fuses are removed B) All covers are off C) Proper grounding and bonding D) All relays are unplugged Answer: C Explanation: Grounding and bonding must be verified for safety before energizing control circuits. Question 19. What is the purpose of the machine room ventilation? A) To cool the building B) To prevent overheating of elevator equipment C) To remove dust only D) For fire alarm testing Answer: B Explanation: Proper ventilation prevents overheating and prolongs the life of elevator equipment. Question 20. Which test instrument is used to check continuity in elevator wiring? A) Hammer B) Megohmmeter C) Multimeter D) Clamp meter only
Answer: C Explanation: A multimeter can be used to check for continuity in elevator circuits. Question 21. What is the primary safety function of the elevator governor? A) Provides lighting B) Stops the car if overspeed is detected C) Runs the pump D) Rings the bell Answer: B Explanation: The governor engages the safety mechanism if the car exceeds its rated speed. Question 22. What is the main purpose of a buffer in an elevator pit? A) To clean the pit B) To absorb energy if the car or counterweight overruns C) To hold tools D) To provide lighting Answer: B Explanation: Buffers absorb kinetic energy if the elevator or counterweight travels below the lowest landing. Question 23. Which valve in a hydraulic elevator system prevents uncontrolled descent in case of a line rupture? A) Check valve B) Relief valve C) Rupture valve
C) OSHA
D) IBC
Answer: B Explanation: ASME A17.1 requires a two-way communication system for emergencies in elevator cars. Question 27. What is the function of an elevator interlock? A) Prevents the car from moving if the doors are open B) Opens the car door C) Rings the alarm D) Raises the counterweight Answer: A Explanation: Interlocks ensure that the elevator cannot move unless all doors are securely closed. Question 28. Which part of the elevator system is responsible for driving the traction sheave? A) Governor B) Driving machine C) Counterweight D) Guide rails Answer: B Explanation: The driving machine provides the mechanical power to rotate the traction sheave. Question 29. What is the requirement for the machine room door according to ASME A17.1? A) Must be locked at all times and self-closing B) Glass door acceptable
C) No lock required D) Can be propped open Answer: A Explanation: Machine room doors must be self-closing and kept locked to restrict unauthorized access. Question 30. Which device limits the elevator’s upward travel at the top floor? A) Bottom car buffer B) Terminal limit switch C) Door lock D) Pit stop switch Answer: B Explanation: Terminal limit switches are designed to stop the elevator at the top and bottom limits of travel. Question 31. What is the minimum illumination required for elevator machine rooms? A) 5 foot-candles B) 10 foot-candles C) 1 foot-candle D) 20 foot-candles Answer: B Explanation: ASME A17.1 requires at least 10 foot-candles of illumination in machine rooms. Question 32. What is the standard frequency for elevator power in the U.S.? A) 50 Hz
B) 24 inches C) 43 inches D) 6 inches Answer: C Explanation: A minimum clearance of 43 inches is required to provide refuge space above the car. Question 36. Which elevator rope fastening device is commonly used for traction elevators? A) Wire clips B) Wedge socket C) Soldered lug D) Clamp Answer: B Explanation: Wedge sockets are commonly used for secure rope fastening in traction elevators. Question 37. What is the main function of a deflector sheave? A) Deflects the counterweight B) Changes the direction of the ropes C) Slows the car down D) Grounds the system Answer: B Explanation: Deflector sheaves are used to change the path of the ropes in traction systems. Question 38. What is required before starting the installation of a new elevator in Iowa? A) Only verbal permission
B) Approved installation permit from DIAL C) Start without any paperwork D) Only equipment delivery Answer: B Explanation: An approved permit from the Iowa DIAL is required before installation work begins. Question 39. Which device ensures elevator doors remain fully closed during operation? A) Governor B) Interlock C) Door restrictor D) Terminal switch Answer: B Explanation: Interlocks keep doors closed and locked while the elevator is in motion. Question 40. What is the minimum width required for an ADA-compliant elevator cab? A) 36 inches B) 42 inches C) 51 inches D) 80 inches Answer: C Explanation: ADA requires a minimum clear cab width of 51 inches for accessibility. Question 41. What is the function of compensation chains or ropes in a traction elevator? A) Provide lighting
A) Buffer test B) Governor drop test C) Door restrictor test D) Fire service test Answer: B Explanation: The governor drop test confirms proper operation of the overspeed safety device. Question 45. The mainline disconnect switch for an elevator must be located: A) In the machine room within sight of the controller B) In the elevator car C) In the building lobby D) Anywhere in the building Answer: A Explanation: The disconnect must be in the machine room and visible from the controller for safety. Question 46. When hoisting guide rails, what is the preferred lifting method? A) By hand B) Using rated lifting equipment and proper rigging techniques C) Dragging on the ground D) Throwing from the top floor Answer: B Explanation: Proper equipment and rigging are required to safely hoist heavy guide rails. Question 47. What is the function of the car safety device?
A) Stops the elevator if the governor triggers an overspeed condition B) Opens the doors C) Turns on the lights D) Controls the alarm Answer: A Explanation: The car safety engages to stop the car if it overspeeds or if the ropes break. Question 48. Which elevator component houses the motor and drive sheave? A) Hoistway B) Machine room C) Pit D) Car top Answer: B Explanation: The machine room contains the elevator’s motor, drive sheave, and control equipment. Question 49. What does ASME A17.1 require for elevator pit ladders? A) No ladder required B) Permanent, non-combustible ladder securely fastened C) Rope ladder D) Portable ladder Answer: B Explanation: Pit ladders must be permanent and securely fastened for safe access. Question 50. What is the function of a relief valve on a hydraulic elevator system?
A) Controls main power B) Stops car at end of travel C) Powers the lights D) Opens the doors Answer: B Explanation: Limit switches stop the elevator at the upper and lower terminal landings. Question 54. For elevator installation, which document specifies electrical conductor sizing? A) Elevator owner’s manual B) ASME A17. C) NFPA 70 (NEC) D) Building code Answer: C Explanation: The NEC (NFPA 70) provides requirements for conductor sizing and protection. Question 55. What is the minimum refuge space required on the car top for a worker? A) 12 inches B) 24 inches C) 43 inches D) 6 inches Answer: C Explanation: 43 inches of vertical refuge space is required for safety on the car top. Question 56. Which elevator type requires a machine room located above the hoistway?
A) Hydraulic B) Drum C) Overhead traction D) Machine room-less (MRL) Answer: C Explanation: Overhead traction elevators require a machine room above the hoistway. Question 57. What is the function of an elevator shunt-trip device? A) Provides emergency lighting B) Disconnects elevator power during a fire alarm C) Rings the car bell D) Opens the doors Answer: B Explanation: The shunt-trip disconnects elevator power when a fire alarm is triggered, as required by code. Question 58. What is the required minimum illumination in the elevator pit? A) 2 foot-candles B) 5 foot-candles C) 10 foot-candles D) 20 foot-candles Answer: B Explanation: ASME A17.1 requires 5 foot-candles of illumination in the elevator pit.
