Quiz
Overhead and gantry Cranes
Perguntas do quiz (51)
1Overhead cranes with more than one hoisting unit shall have....
- AIts own daily inspection log on each hoist
- BIts rated load marked on it
- CAutomatic rail clamps
- DA wind-indicating device
2What is the purpose of the "E' (emergency) stop on an overhead crane?
- ARemoves power to hoists only
- Bremoves power to entire bridge
- Cremoves power to trolley only
- Dremoves power to entire crane
3how often does OSHA require a wire rope inspection?
- Aonce a shift
- Bonce a week
- Conce a month
- Donce a quarter
4Most loads should be rigged to within how many degrees of level?
- ATwo
- BThree
- CFour
- DFIve
5According to ASME B30.2, what is the safety factor for rigging?
- A3 to 1
- B4 to 1
- C5 to 1
- D6 to 1
6According to OSHA frequent inspections shall be performed
- Amonthly to annually
- Bdaily to monthly
- Chourly to daily
- Ddaily to weekly
7According to ASME B 30.2 a frequent inspection must be performed by a
- Acompetent person
- Bdesignated person
- Cqualified person
- Dauthorized person
8According to ASME B30.2, the maximum twist of the hook can't exceed ?
- A25 degrees
- B10 degrees
- C15 degrees
- D20 degrees
9When inspecting electrical contacts, what are the signs they are bad?
- Apitted or burned
- Bdiscolored
- Csprings are taut
- Dmakes sparks
10According to ASME B30.2, what type of fire extinguisher is required for overhead cranes?
- A5 BC
- B10 BC
- C5 C
- D10 A
11Before leaving an overhead crane unattended, attached loads should be ?
- Araised to the upper limit
- Braised just above the floor
- Clowered to the floor
- Dunhooked from crane
12Before using your hand to steady any load, you should?
- Afollow company policy
- Bwear approved gloves
- Cfollow the foreman's direction
- Dwear approved hardhat
13According to OSHA, the rated capacity of all overhead cranes shall be
- Aclearly marked on the side of the crane
- Bfiled in supervisors office
- Cclearly marked on shipping papers
- Dfiled in crane owners office
14When attaching spreaders to any load, you must keep in mind that,
- Athe higher the spreader angle the greater the tension
- Bthe lower the spreader angle the lesser the tension
- Cthe higher the spreader angle the tension will remain the same
- Dthe lower the spreader angle the greater the tension
15By order of hitch strength, which is correct?
- Achoker, basket, vertical
- Bbasket, choker, vertical
- Cbasket, vertical, choker
- Dvertical, basket, choker
16According to OSHA, the maximum hook throat opening must not exceed
- A5% of its original size
- B10% of its original size
- C15% of its original size
- D20% of its original size
17According to OSHA, how many wraps must be left on a hoist drum of an overhead crane with the hook at its lowest position?
- A1 wrap
- B2 wraps
- C3 wraps
- D4 wraps
18The upper limit switch of all overhead cranes shall be tested every
- Ashift
- Bweek
- Cmonth
- Dyear
19Vertical movement of an overhead crane is controlled by the
- Atrolley controller
- Bhoist controller
- Cbridge controller
- Dtravel controller
20A swinging load should be controlled by the ?
- Abridge and trolley controller
- Btrolley and hoist controller
- Cbridge and hoist controller
- Dlimit switch and hoist controller
21What should be the first step in a daily inspection of an overhead crane?
- Acheck the catwalk area
- Bcheck the main switch
- Ccheck the crane cab
- Dcheck the controller position
22What should be done with an unbalanced load?
- Alower load to floor
- Bsound safety device
- Cincrease operating speed
- Dreduce operating speed
23When making a lift, where should the load block be positioned?
- Ahorizontal to the load attachment points
- Bhorizontal to the center of gravity
- Cvertically over the load's center of gravity
- Dvertically over the load
24When energizing the crane, the controller should be in what position?
- Ahoisting
- Blowering
- Ctrolley
- Dneutral
25According to A.S.M.E., warning signals shall be given when
- Aequipment is in the area
- Bstopping the movement
- Carea is not clear
- Dstarting and during movement
26According to A.S.M.E. B30.1, an overhead crane equipped with a lower limit device can have how many wraps left on the drum at its lowest point
- AOne
- BTwo
- CThree
- DFour
27According to OSHA, the proper time to check the hoist brake is
- Abefore making a lift
- Bduring an inspection
- Cduring the first lift
- Dlowering the first lift
28In the event of an emergency, who may give the stop signal?
- Aforeman
- Bsupervisor
- Canyone
- Dsafety officer
29According to ASME B30.2, before lifting a load the hoist ropes will be free of kinks and
- Amarked
- Brewound on drum
- Cuntwisted
- Dtagged with capacity rating
30The purpose of the upper limit switch is to
- Alimit bridge travel
- Blimit trolley travel
- Climit hoist travel
- Dlimit upper span
31According to OSHA, the operator shall not hoist loads above
- Aopen areas
- Bpersonnel
- Cequipment
- Dwalkways
32Where should the hook block be positioned for shutdown?
- Ahalfway between the upper and lower limit
- Bnear the lower limit
- Cnear the upper limit
- Dhalfway between the inner and outer limit
33Whose responsibility is it to select the proper rigging equipment
- Asupervisor
- Bplant manager
- Cplant safety
- Doperator
34Before making a lift the operator must first determine
- Aplacement of rigging
- Bweight of load
- Cplacement of tag line
- Dattachment points
35a wire rope designated as 6 X 19 has
- A6 wires with 19 strands
- B6 strands with 19 wires
- C6 strands that are 19 inches long
- D19 strands that are 6 inches long
36What is the safe working load of a wire rope defined as ?
- Abreaking strength times safety factor
- Bbreaking strength divided by safety factor
- Cbreaking strength plus safety factor
- Dbreaking strength subtracted from safety factor
37The vertical movement of an overhead crane is controlled by the
- Atrolley controller
- Bhoist controller
- Choist and trolley controllers
- Dhoist and bridge controllers
38swinging loads can be controlled by the use of the
- Abridge or trolley controls
- Bbridge or hoist controls
- Ctrolley or hoist controls
- Dlimit switch and hoist controls
39first step in daily inspection would be to check
- Acatwalk area and guardrails
- Bcrane cab and trolley brakes
- Ccontroller position in neutral
- Dmain switch locked in off position
40If the load does not balance properly after being raised what steps should be taken
- Areduce speed
- Bincrease speed
- Cthe lift should continue
- Dlower the load to the ground
41When making a lift what position should the trolley be in?
- Avertical to the load
- Bhorizontal to the load
- Cdepends on load location
- Dmakes no difference
42What position should all controllers be in when energizing
- Athe raised postion
- Bthe lowered position
- Ceither raised or lowered
- Deither neutral or off
43ASME B.30.2 states that the minimum number of wraps one the hoisting drum should never be less than _______ unless a lower limit device is provided
- A1 wrap
- B2 wraps
- C3 wraps
- D4 wraps
44Before leaving a crane cab unattended any attached load shall be
- Asuspended
- Bvertical
- Chorizontal
- Dlanded
45What is the purpose of the upper limit switch? (the only one required by OSHA)
- Alimit the bridge travel
- Blimit the trolley travel
- Climit the bridge and trolley travel
- Dlimit the hoist travel
46When any machinery or apparatus is found to be defective or inoperative on the crane the person discovering this condition should
- Amake necessary repairs
- Boperate using caution
- Creport it to the supervisor
- Dred tag it
47When loss of power occurs the crane operator should
- Await for power to be restored
- Binstall larger fuses
- Cput controllers in the off position
- Dattempt to locate the problem
48A floor weight limitation is posted at 700 pounds per square foot maximum. Before lowering a load down onto this floor that is calculated at 900 pounds per square foot. What must be done?
- Alower the load at slower rate
- Binstall cribbing to increase surface bearing area
- Cinstall cribbing to decrease surface bearing area
- Dinstall cribbing to maintain the same amount of surface bearing area
49The term lay length when referring to wire rope if equal to
- Atwice the rope diameter
- Bthe length rope
- Cthe distance from one strand to the next strand
- Dthe distance it takes from one strand to make one complete revolution around the center core
50According to OSHA rated capacity rigging charts will aid you when ?
- Adetermining the weight of the load
- Bdetermining the load's center of gravity
- Cdetermining the rigging equipment manufacturer date
- Ddetermining if the rigging equipment meets all criteria establish by law
51If possible always try to keep horizontal sling angles
- Aless than 30 degrees
- Bgreater than 30 degrees
- Cless than 60 degrees
- Dgreater than 60 degrees
Informações
- Descrição
- assessment review questions
- Autor
- Danielle Moyer
- Idioma
- English
- Visualizações
- 189
- Histórico
- Criado em 6 ago 2020 · atualizado em 7 ago 2020
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