Fall Test 21 due 12/11/2012

Transcription

1 Fall Test 21 due 12/11/2012 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Emergency system transfer equipment, including automatic transfer switches, shall be. a. automatic b. identified for emergency use c. approved by the authority having jurisdiction d. all of these 2. The ampacity of conductors and rating of overcurrent protective devices shall not be less than percent of the current rating of medical X-ray therapy equipment. a. 50 b. 80 c. 100 d. 110 e The ampacity of supply branch-circuit conductors and the current rating of overcurrent protective devices for diagnostic X-ray equipment shall not be less than percent of the momentary rating or percent of the long-time rating, whichever is greater. a b c d e The line isolation monitor in a health care facility shall not alarm for a fault hazard of less than ma or for a total hazard current of less than ma. a b c d Within seconds after the failure of the normal power supply, an emergency system is required to have emergency power available. a. 10 b. 15 c. 45 d A flexible cord storage device, within a hazardous (classified) anesthetizing location, shall not subject the cord to bending at a radius of less than inches. a. 2 b. 7 c. 5 d. 3 e A disconnecting means of adequate capacity for at least percent of the input required for the momentary rating or percent of the input required for the long-time rating of medical X-ray equipment, whichever is greater, shall be provided in the supply circuit. a b c d e Individual branch circuits shall not be required for portable, mobile, and transportable medical X-ray equipment requiring a capacity of not over amperes. a. 20 b. 50 c. 30 d. 40 e In both exposed and concealed locations, where a cable or raceway-type wiring method is installed through bored holes in joists, rafters, or wood members, holes shall be bored so that the edge of the hole is not less than inch(es) from the nearest edge of the wood member. a. 1 1 / 4 b. 1 / 4 c. 1 d. 1 1 / 2 e. 1 1 / Suffixes that designate the number of conductors within a cable include. I. D - two insulated conductors laid parallel II. M - two or more insulated conductors twisted spirally III. T - two or more insulated conductors twisted in parallel a. I or II only c. I only e. I or III only b. III only d. II only 11. The system shall supply major electric equipment necessary for patient care and basic hospital operation. a. emergency b. equipment c. life safety d. none of these 12. In a health care facility, a patient bed location in a critical care area is required to have. a. four single receptacles or two duplex receptacles b. six single receptacles or three duplex receptacles

2 c. two duplex receptacles or four single receptacles. d. two single receptacles or one duplex receptacle 13. Where used for emergency system branch circuits that supply patient care areas of a hospital, permitted wiring methods include. a. Schedule 40 PVC c. Schedule 40 PVC b. Type MI cable d. any of these 14. The cover plates for the electrical receptacles or the electrical receptacles themselves supplied from the hospital's emergency system shall have a distinctive so as to be readily identifiable. a. color or marking b. shape or size c. configuration d. rating 15. The is a subsystem of the emergency system consisting of feeders and branch circuits, meeting the requirements of Article 700 and intended to provide adequate power needs to ensure safety to patients and personnel, and which are automatically connected to alternate power sources during interruption of the normal power source. a. emergency system d. critical branch b. life safety branch e. essential electrical system c. alternate power source 16. Where the premises wiring system has branch circuits supplied from more than one nominal voltage system, the means of identification of each system phase conductor, wherever accessible, may be by. I. tagging, or other equally effective means II. marking tape III. separate color coding a. I only b. II only c. III only d. I, II, or III 17. In a health care facility, receptacles and attachment plugs in a hazardous (classified) anesthetizing locations shall be listed for use in Class I, Group hazardous locations. a. A b. B c. C d. D 18. Type AC cable shall be secured by staples, cable ties, straps, hangers, or similar fittings at intervals not exceeding feet. a. 3 b. 10 c. 6 d. 2 e. 4 1 / Receptacles located within the rooms, bathrooms, playrooms, activity rooms, and patient care areas of pediatric wards shall be listed tamper resistant or shall employ a listed cover. a. lockable c. tamper resistant b. nonmetallic d. any of these 20. In a health care facility, the maximum internal current permitted to flow through a line isolation monitor, when any point of the isolated system is grounded, shall be. a. 15 amperes or less c. 1 milliampere b. no more than 1 ampere d. 10 milliamperes 21. In an area used for patient care, the grounding terminals of all receptacles and all non-current-carrying conductive surfaces of fixed electric equipment likely to become energized that are subject to personal contact, operating at over, shall be connected to an insulated copper equipment grounding conductor. a. 10 volts b. 20 amps c. 100 volts d. 15 amps e. 120 volts 22. An emergency system transfer switch is permitted to supply. a. emergency loads c. UPS-type equipment b. computer equipment d. all of these 23. Which of the following may not be used in damp or wet locations? a. type AC armored cable c. electrical metal tubing b. open wiring d. rigid metal conduit 24. A(n) is a jack or terminal that serves as the collection point for redundant grounding of electrical appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.

3 a. patient equipment grounding point c. isolated power system b. line isolation monitor d. reference grounding point 25. For portable, medical X-ray equipment connected to a 120-volt branch circuit of amperes or less, a grounding-type attachment plug and receptacle of proper rating shall be permitted to serve as a disconnecting means. a. 20 b. 50 c. 30 d. 40 e The is a subsystem of the emergency system consisting of feeders and branch circuits supplying energy to task illumination, special power circuits, and selected receptacles serving areas and functions related to patient care and that are connected to alternate power sources by one or more transfer switches during interruption of the normal power source. a. emergency system c. essential electrical system b. alternate power source d. critical branch 27. The is a system comprised of alternate sources of power and all connected distribution systems and ancillary equipment, designed to ensure continuity of electrical power to designated areas and functions of a health care facility during disruption of normal power sources, and also to minimize disruption within the internal wiring system. a. emergency system d. critical branch b. life safety branch e. essential electrical system c. alternate power source 28. Bored holes in wood members for cable or raceway-type wiring shall be bored so that the edge of the hole is not less than from the nearest edge. a. 1 1 / 4 " b. 1" c. 1 1 / 2 " d. 1 1 / 16 " 29. The equipment grounding terminal buses of the normal and essential branch-circuit panelboards serving the same individual patient care vicinity shall be connected together with an insulated continuous copper conductor not smaller than AWG. a. 14 b. 12 c. 10 d All conductors of a circuit are required to. I. be in the same raceway II. be installed in close proximity in the same trench III. be the same size a. III only b. I only c. I, II & III d. I & II only 31. Fluorescent luminaires installed more than feet above the floor in patient care areas in a hospital shall be permitted to be connected to an equipment grounding return path complying with (A). a. 6 b. 6 1 / 2 c. 7 d. 7 1 / A metal box or terminal fitting having separately bushed holes for each conductor shall be used whenever change is made from conduit to. a. knob and tube wiring c. type AC cable b. non-metallic sheathed cable d. type MC cable 33. In an area in which patients are normally cared for, the patient care vicinity is the space with surfaces likely to be contacted by the patient or an attendant who can touch the patient. Typically in a patient room, this encloses a space within the room not less than feet beyond the perimeter of the bed in its nominal location, and extending vertically not less than feet above the floor. a. 6 6 b. 7 1 / / 2 c. 6 5 d / Each patient bed location in critical care areas shall be supplied by at least branch circuits. a. two b. three c. four d. six 35. Each critical care area patient bed location shall be provided with at least receptacle(s). a. 1 b. 2 c. 3 d. 4 e Raceways on the outside of a building shall be. a. watertight and arranged to drain c. suitable for use and arranged to drain

4 b. weatherproof and covered d. rainproof and guarded 37. In a location where flammable anesthetics are employed, the entire area shall be considered to be a Class I, Division 1 location that shall extend upward to a level ft above the floor. a. 5 b. 10 c. 8 d. 7 e Where two or more panelboards serving the same individual patient care vicinity are served from separate transfer switches on the emergency system, the equipment grounding terminal buses of those panelboards shall be connected together with an insulated continuous copper conductor not smaller than AWG. a. 12 b. 6 c. 10 d are those special care units, intensive care units, coronary care units, angiography laboratories, cardiac catheterization laboratories, delivery rooms, operating rooms, and similar areas in which patients are intended to be subjected to invasive procedures and connected to line-operated, electromedical devices. a. Nursing homes c. Critical care areas b. General care areas d. Ambulatory health care facilities 40. are patient bedrooms, examining rooms, treatment rooms, clinics, and similar areas in which it is intended that the patient will come in contact with ordinary appliances such as a nurse call system, electric beds, examining lamps, telephones, and entertainment devices. a. Nursing homes c. Critical care areas b. General care areas d. Ambulatory health care facilities 41. In an area used for patient care, Type MC cables shall have an outer metal sheath that is as an acceptable grounding return path. I. listed II. identified III. approved a. I only c. II & III only e. I & III only b. I & II only d. II only 42. Emergency circuit wiring shall be permitted to enter which of the following types of equipment with normal circuit wiring? I. transfer switches II. exit or emergency luminaires supplied from two sources III. UPS systems a. II only c. I, II & III e. I & II only b. I only d. I & III only f. III only 43. The identification of the grounded conductor in a flexible cord shall be permitted to be by. a. any color braid with contrasting tracer c. green insulation on the conductor b. a braid finished to show a blue color d. black color on the conductor 44. Where installing direct-buried cables, a shall be used at the end of the conduit where it terminates underground. a. connector b. bushing c. splice kit d. coupling 45. In the critical care areas of health care centers, the minimum Code requirements are satisfied if each patient bed location is provided with duplex receptacles. a. ten b. three c. one d. four 46. Patient care areas of health care facilities areas such as business offices, corridors, lounges, day rooms, dining rooms, or similar areas. a. do not include b. include 47. In a health care facility, the branches of the emergency system shall be installed and connected to the alternate power source so that all functions specified herein for the emergency system shall be automatically restored to operation within after interruption of the normal source. a. 3 min b. 10 sec c. 1 min d. 5 min e. 30 sec 48. The critical branch of the emergency system shall supply power for, selected receptacles, and special power circuits serving areas and functions related to patient care. I. task illumination II. fixed equipment

5 a. both I & II b. I only c. II only d. neither I nor II 49. Each general care area patient bed location shall be provided with at least receptacle(s). a. 1 b. 2 c. 3 d. 4 e Except where, flexible cords shall not be used unless specifically permitted. a. used as a substitute for fixed wiring b. run through holes in walls c. attached to the building surface d. used for pendants, wiring of luminaires, and the connection of portable lamps 51. In any anesthetizing area, all metal raceways and metal-sheathed cables and all normally non current-carrying conductive portions of fixed electrical equipment shall be. a. isolated from adjacent metal raceways, metal cables, and non current-carrying conductive surfaces b. connected to an equipment grounding conductor c. secured by nonconductive means d. elevated above the hazardous (classified) zone 52. must be provided at a patient bed locations used for general care in a hospital. a. A normal system circuit c. "Hospital-grade" receptacles b. An emergency system circuit d. All of these

6 Fall Test 21 due 12/11/2012 Answer Section MULTIPLE CHOICE 1. ANS: D 2011 NEC: PTS: 1 REF: 2011 NEC: NAT: Obj ABank 2. ANS: C 2011 NEC: (B) PTS: 1 REF: 2011 NEC: (B) OBJ: Obj Worksheet NAT: Obj ABank 3. ANS: D 2011 NEC: (A)(1) PTS: 1 REF: 2011 NEC: (A)(1) OBJ: Obj Worksheet NAT: Obj ABank 4. ANS: A 2011 NEC: (B)(1) PTS: 1 REF: 2011 NEC: (B)(1) NAT: Obj ABank 5. ANS: A 2011 NEC: PTS: 1 REF: 2011 NEC: NAT: Obj ABank 6. ANS: D 2011 NEC: (A)(7) PTS: 1 REF: 2011 NEC: (A)(7) NAT: Obj ABank 7. ANS: D 2011 NEC: (A) PTS: 1 REF: 2011 NEC: (A) NAT: Obj ABank 8. ANS: E 2011 NEC: (B) PTS: 1 REF: 2011 NEC: (B) OBJ: Obj Worksheet NAT: Obj ABank 9. ANS: A 2011 NEC: 300.4(A)(1) PTS: 1 REF: 2011 NEC: 300.4(A)(1) NAT: Obj ABank 10. ANS: A 2011 NEC: (C) PTS: 1 REF: 2011 NEC: (C) NAT: OBJ ABank 11. ANS: B 2011 NEC: (B)(3) PTS: 1 REF: 2011 NEC: (B)(3) OBJ: Obj Worksheet

7 NAT: Obj ABank 12. ANS: B 2011 NEC: (B)(1)&(2) PTS: 1 REF: 2011 NEC: (B)(1)&(2) 13. ANS: B 2011 NEC: (C)(3) PTS: 1 REF: 2011 NEC: (C)(3) OBJ: Obj Worksheet 14. ANS: A 2011 NEC: (E) PTS: 1 REF: 2011 NEC: (E) OBJ: Obj Worksheet 15. ANS: B PTS: 1 REF: OBJ: Obj Worksheet NAT: Obj ABank 16. ANS: D 2011 NEC: 210.5(C)(2) PTS: 1 REF: 2011 NEC: 210.5(C)(2) NAT: Obj ABank 17. ANS: C 2011 NEC: (A)(5) PTS: 1 REF: 2011 NEC: (A)(5) OBJ: Obj Worksheet NAT: Obj ABank 18. ANS: E 2011 NEC: (C) PTS: 1 REF: 2011 NEC: (C) OBJ: Obj Worksheet NAT: Obj ABank 19. ANS: C 2011 NEC: (C) PTS: 1 REF: 2011 NEC: (C) OBJ: Obj Worksheet 20. ANS: C 2011 NEC: (B)(2) PTS: 1 REF: 2011 NEC: (B)(2) OBJ: Obj Worksheet NAT: Obj ABank 21. ANS: C 2011 NEC: (B) PTS: 1 REF: 2011 NEC: (B) OBJ: Obj Worksheet 22. ANS: A 2011 NEC: 700.6(D) PTS: 1 REF: 2011 NEC: 700.6(D) OBJ: Obj Worksheet

8 NAT: Obj ABank 23. ANS: A 2011 NEC: (4) PTS: 1 REF: 2011 NEC: (4) NAT: Obj ABank 24. ANS: A PTS: 1 REF: OBJ: Obj Worksheet 25. ANS: C 2011 NEC: (C) PTS: 1 REF: 2011 NEC: (C) NAT: Obj ABank 26. ANS: D PTS: 1 REF: OBJ: Obj Worksheet NAT: Obj ABank 27. ANS: E PTS: 1 REF: NAT: Obj ABank 28. ANS: A 2011 NEC: 300.4(A)(1) PTS: 1 REF: 2011 NEC: 300.4(A)(1) OBJ: Obj Worksheet NAT: Obj ABank 29. ANS: C 2011 NEC: PTS: 1 REF: 2011 NEC: OBJ: Obj Worksheet 30. ANS: D 2011 NEC: 300.3(B) PTS: 1 REF: 2011 NEC: 300.3(B) NAT: Obj ABank 31. ANS: D 2011 NEC: (B) Exc 2 PTS: 1 REF: 2011 NEC: (B) Exc 2 OBJ: Obj Worksheet 32. ANS: A 2011 NEC: (A) PTS: 1 REF: 2011 NEC: (A) NAT: Obj ABank 33. ANS: D PTS: 1 REF: 34. ANS: A 2011 NEC: (A)

9 PTS: 1 REF: 2011 NEC: (A) 35. ANS: E 2011 NEC: (B)(1) PTS: 1 REF: 2011 NEC: (B)(1) 36. ANS: C 2011 NEC: & PTS: 1 REF: 2011 NEC: & OBJ: Obj Worksheet NAT: Obj ABank 37. ANS: A 2011 NEC: (A)(1) PTS: 1 REF: 2011 NEC: (A)(1) NAT: Obj ABank 38. ANS: C 2011 NEC: PTS: 1 REF: 2011 NEC: ANS: C PTS: 1 REF: 40. ANS: B PTS: 1 REF: 41. ANS: B 2011 NEC: (A) to (10) PTS: 1 REF: 2011 NEC: (A) to (10) 42. ANS: E 2011 NEC: 700.9(B) PTS: 1 REF: 2011 NEC: 700.9(B) OBJ: Obj Worksheet NAT: Obj ABank 43. ANS: A 2011 NEC: (B) PTS: 1 REF: 2011 NEC: (B) NAT: Obj ABank 44. ANS: B 2011 NEC: 300.5(H) PTS: 1 REF: 2011 NEC: 300.5(H) NAT: Obj ABank 45. ANS: B 2011 NEC: (B)(1) PTS: 1 REF: 2011 NEC: (B)(1) OBJ: Obj Worksheet 46. ANS: A IN to Patient Care Area PTS: 1 REF: IN to Patient Care Area

10 OBJ: Obj Worksheet 47. ANS: B 2011 NEC: PTS: 1 REF: 2011 NEC: NAT: Obj ABank 48. ANS: A 2011 NEC: (A) PTS: 1 REF: 2011 NEC: (A) OBJ: Obj Worksheet 49. ANS: D 2011 NEC: (B) PTS: 1 REF: 2011 NEC: (B) 50. ANS: D 2011 NEC: PTS: 1 REF: 2011 NEC: OBJ: Obj Worksheet NAT: Obj ABank 51. ANS: B 2011 NEC: PTS: 1 REF: 2011 NEC: NAT: Obj ABank 52. ANS: D 2011 NEC: (A)&(B) PTS: 1 REF: 2011 NEC: (A)&(B)