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ocs 2013 > elevator operations > Flashcards

elevator operations Flashcards

1
Q
  1. in todays elevator system the __ is constructed to a 2-hour fire resistance rating and is designed to vent smoke and heat. in addition it may be pressurized to prevent fire spread
A

hoistway (7)

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2
Q
  1. because of the additional weight factored into the counterweights, elevators usually will fall up not down when there is a problem with the ____ system
A

breaking (9)

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3
Q
  1. when operating in and around an open hoistway, rescuers must identify the counterweight rails and stay clear as the counterweights move ___ in tandem with the elevator as it ascends and descends
A

silently (9)

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4
Q
  1. as the elevator car ascends and descends a large cable can be seen hanging from the bottom of the elevator. this cable is known as the ___ or traveling cable.
A

halfway (10)

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5
Q
  1. the halfway line is important to recognize for it provides the ____ power to the cars lights and fan
A

110v AC (10)

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6
Q
  1. all rescuers should know that working from the __ is always the safest way to affect a rescue
A

landing (10)

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7
Q
  1. aside from lockout/tag out, rescuers need to ensure that the elevator cannot come down by ___ the car or by creating a safe zone to operate within
A

cribbing (10)

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8
Q
  1. one type of safety device found on elevators is the ___ which typically found on the ground in the elevator machine room beside the hoist motor and uses centrifugal force slow an elevator when going down
A

overspeed governor (11)

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9
Q
  1. the safety device used to slow an elevator when going up is
A

rope gripper (11)

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10
Q
  1. a third type of safety is equipped on high speed elevators. in these applications, ___ are forced between the two jaws causing the vertical rail to be gripped which will gradually stop a runaway car
A

wedges (12)

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11
Q
  1. the 2 main types of elevators used across the world are
A

traction

hydraulic (13)

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12
Q
  1. ____ elevators operate by cables passing over a traction sheave powered by a motor with a break and is counterbalanced with weights
A

traction (15)

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13
Q
  1. one of the 1st steps for mitigating an elevator emergency is shutting off and ___ the main power in the MR
A

lockout (17)

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14
Q
  1. hydraulic elevators are typically found in building __ stories or less and travel approx. 200 feet per min
A

6 (19)

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15
Q
  1. submersible pump located in the hydraulic fluid reservoir may malfunction; causing the fluid to ___ to a point where smoke is generated
A

overheat (19)

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16
Q
  1. under no circumstances should a ff go under any elevator until the elevator has been completely immobilized and__ secured
A

power (21)

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17
Q
  1. each floor served by an elevator has a lobby for discharge of passengers. the ___ is the predetermined floor for the emergency discharge of passengers during automatic recall and phase 1 operations, as well as the most accessible floor for emergency personnel
A

designated landing (27)

18
Q
  1. it is important to note that the word bypass has been replaced with the word __ in newer installations though the function remains the same
A

reset (28)

19
Q
  1. modern elevators utilize 2 sets of doors for operation. the door seen from the landing are the ___ doors. the doors on the elevator car are referred to as the ___ or car door and travel with the elevator both have safety features that will stop the elevator if they open
A

hoistway

inner (28)

20
Q
  1. ___ are placed on the car door to prevent people from opening doors when the car is outside of the landing zone and thus placing themselves in danger
A

restrictors (33)

21
Q
  1. the ___ is intended for use by security maintenance and emergency personnel. rescuers working near hotels and casinos will frequently witness casino security utilizing it to expedite ems to hotel room floors for emergencies
A

independent service panel (ISP) (34)

22
Q
  1. the primary function of ff phase __ is to allow ff to take direct control of an elevator during an emergency
A

2 (34)

23
Q
  1. ____ is the operation of an individual car from inside that car
A

phase 2 (34)

24
Q
  1. the major difference between phase 1 and phase 2 is phase 1 will ___ and establish command of the elevators from the designated landing or main lobby
A

recall (34)

25
Q
  1. phase 2 will over ride phase 1 but a ___ will cease all elevator operations regardless of keys used and potentially trap ff in elevators
A

shunt trip (34)

26
Q
  1. ff should not attempt to move a traction elevator car except in the situation where they use phase I FF service. if the stalled elevator requires movement by other means to safely evacuate passengers, only the ___ or the elevator mechanic should do that on one else
A

TRT (39)

27
Q
  1. rescuers can utilize a ___ tool on the center opening doors if passengers are unable to pry due to strength limitations
A

paddle (43)

28
Q
  1. door restrictors or clutches will unlock only when the car is within the __ zone 3-18” above or below the zone
A

landing (44)

29
Q
  1. generally it is safest to remove passengers __ and ___ from elevator cars stalled between floors
A

up and out (45)

30
Q
  1. generally hydraulic cars will drift ___
A

down (46)

31
Q
  1. generally traction cars will drift
A

up (46)

32
Q
  1. most literature states __ hours or more are an unreasonable amount of time for elevator mechanic response
A

2 (51)

33
Q
  1. when forcing an elevator door apply force at the __ of the jamb below the interlock
A

top (54)

34
Q
  1. the reason rescuers may attempt to remove an elevator doors gib blocks is to gain access to the ____ interlock on the affected floor from the landing above via poling
A

hoistway (55)

35
Q
  1. after all passengers have been removed the rescuer will exit the car leaving the ____ set. rescuers should close the top hatch upon exit leaving the roof of the elevator the same as when you arrived
A

emergency stop switch (59)

36
Q
  1. the presence of ___ in the hoist ropes on the top of the car counterweight or in the machine room is a sign that the car or counterweight could suddenly move if rescuers use tools to fee victim
A

slack (64)

37
Q
  1. the most important thing to consider when caring for a victim in a hoistway is the rescuers ___
A

safety (67)

38
Q
  1. ___ elevators have cars and silent moving counterweights
A

traction (67)

39
Q
  1. ___ elevators have cars only
A

hydraulic (67)

40
Q
  1. under no circumstances should a ff go under any elevator until the elevator has completely immobilized and the ___ secured
A

power (72)

41
Q
  1. of particular danger to hydraulic elevators are the __
A

hydraulic lines (72)

42
Q
  1. hydraulic lines may break when stood on or under __ conditions causing the car to drop on your head
A

fire (72)

ocs 2013 (55 decks)

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