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1、安全员 c 证考试试题(Security officer C certificate examination questions)Radiobuttonlist:The excavation of 1. wetland areas, for artificial precipitation, fell to the bottom (0. 5 to 1 meters) shall be excavated.2. in the expansive soil area excavation, to do before the excavation (drainage).3. by reinforce
2、d concrete pi les, excavation pile concrete standard is reached (design strength).4. artificial excavation, two operating space should be kept (1 meters).5. shield machine head every day should detect the concentration of combustible gas, prediction and prevention and control work in order to do, an
3、d do (record account).6. pit (groove) around the drainage ditch and sump should be set up in the (based outside).7. tools jack pipe in the rectification should be well insulated, the operation of high voltage electric oil pump should be (gloves).8. car should command unearthed lead car, is strictly
4、prohibited (overload).9. pipe jacking method in jacking over length (50 m) due to hypoxia, asphyxia prevention measures.10. pipe jacking construction. The pit of oxygen and acetylene bottle (not allowed to enter the pit place).The lighting pipe general telecommunication systems 11. (low voltage).12.
5、 support must be installed according to the (slotted support first after last dig) order construction.13. support should be removed (change to support after the removal of the order of construction).Less than 14. basis points of foundation pit should not be detected (2).15. templates and support dur
6、ing the installation process, you must set (can effectively prevent overturning of temporary fixed facilities).16. template installation must take a minimum height platform is (2 meters).17. steel tubular (4 meters) above the set horizontal scissors.18. in the vacant site operation, the operator sho
7、uld (fasten safety belt).19. pit (groove) minimum distance above the template should be stacked (2 meters) outside.The angle between the 20. inclined support and lateral modes should not be less than (45 degrees)The 21. end of the wire rope rope clamp fixed rope clip shall not be less than the numbe
8、r (3).22. wire rope is generally broken before (broken wire, broken strands) such as warning, easy inspection, to prevent accidents.23. times by bending (bending fatigue) is one of the main causes of wire rope damage.24. chainhoists lifting chain diameter (10%) should wear more than waste forecast u
9、pdate.25. 1ifting mast column type, with a rope (cable wind rope tension on the ground). Tight end fixed on the top of mast crane, the other end is fixed on the ground anchor. The cable is generally less than (4) root.26. lifting equipment, electric hoist steel wire rope on the drum remaining laps s
10、hould not be less than (3) circle.27. lifting operation, in addition to (movable pulley, anchor) can be fixed.28. anchor dragging rope and generally horizontal angle (30 degrees)%.29. use of pulley diameter, usually not less than the diameter of the rope (16 times).The 30. truck crane more than 70%
11、car accidents, because (overload or leg collapse) caused, therefore, in the use of the automobile crane should be special attention.Leg 31. truck crane must be solid, the lifting weight, leg to strengthen the observation, to see if there is no collapse phenomenon, sometimes in order to guarantee the
12、 safe use, will increase its purpose (for sleepers, increase bearing area).32. in the lifting operation, (Forbidden) cable-stayed heavy slant buried underground or condensation on the ground.33. the demolition project construction units and construction units in the construction contract signed, sha
13、ll be signed (Safety Management) protocol, clear safety management responsibility of both sides.The 34. scaffolding, demolition construction safety net must be made by the (Professional) set up by the relevant personnel, after acceptance, can be used.35. demolition stereo (cross) operation is strict
14、ly prohibited. The level between the various types of operations, there is a safe distance.36. after the end of the excavator, should be parked in the(solid, flat terrain).37. excavator in dragline or backhoe operations. The track from the working surface should be greater than the distance from the
15、 edge (1 meters),More than 38. of the two excavators working in the same area, and the distance should be greater than 8 meters,About the distance should be greater than (1. 5 meters)39. shall not be bulldozed (Shi Hui).40. two scraper parallel operation, machine interval is not less than (2 meters)
16、The installation site 41. piling machine should be flat and solid, if not up to the specified compressive stress of foundation bearing capacity, should set the subgrade box or 30 mm thick steel plate in the lower track spacing shall not be greater than (100 mm).42. pile pressing machine work, non st
17、aff should leave the machine (10 meters), the crane arm, prohibited to stand.43. pile hammer in try to play in the process of operating personnel must be at a distance of pile hammer (5 meters) outside the surveillance center.In the 44. vibrators when handling (power off).45. mobile welding machine,
18、 should be cut off (power).The following 46. of the limiter is the main role of the narrative that is correct, (to prevent crane overload.)47. disassembling and assembling of tower crane must be conducted (day).48. (torque 1imiter) can prevent the crane overload, to avoid the serious overload caused
19、 by tower crane overturning or folding arm accidents.49. tower crane work, wind speed should be lower than the level (6).50. which of the following safety device is used to prevent the safety device running car more than two limit positions of maximum or minimum magnitude? (amplitude limiter)51. spe
20、ed meter should be installed on the top of the crane to sling (not at the highest position of the wind)52. (anti loosening device for wire rope) to prevent the wire rope in the transmission process from the wire rope pulley groove caused by death or damage.53. (hook insurance) is to prevent the lift
21、ing wire rope because the angle is too large or hook wrong, caused by the safety device of the lifting wire rope decoupling.54. wind in (4) above, no tower crane lifting operation.55. tower crane lifting operations, must make (boom) and the balance arm is in equilibrium.56. inside climbing tower cra
22、ne fixed interval is not less than (3) floor.57. construction hoist cage empty net height is less than (2 meters).58. construction elevator (underframe) connected to the base.59. material elevator wall attaching frame can be used (pipe) is connected with the frame body and building.60. of the follow
23、ing material hoist using narrative is correct (only transport material, no manned by).The concrete pouring the foundation C20 61. material hoist (thickness of not less than 300 mm).62. lifting wire rope from the maximum working length, the wire ropes at least (3 ring).63. when working in the high to
24、wer, tower crane (hook at the highest point) vertical distance and low tower crane shall not be less than in any case (1. 5 meters).Machine based materials to enhance the surrounding 64. (5 meters) in the range of no digging drains.65. which of the following situations, the hook should be scrapped (
25、lanyard section wear more than the original high 10%).66. in the scaffolding master node must be set at a horizontal bar (small bar), with a right angle fastener is buckled, and strictly dismantled, just because (horizontal bar is an important force component, under vertical loading is the assurance
26、 of the scaffolding for the stiffness of the indispensable parts).67. layer scaffolding scaffold board laying provisions (should be covered, shop steady, leaving the wall less than 120-150 mm).68. from the bottom of the scaffolding should not be greater than (2 meters).69. double row scaffolding hei
27、ght of 24 meters above the wall structure (even the provisions must adopt the rigid wall and building a reliable connection).70. the scissors set width (not less than 4 cross, and should not be less than 6 meters).The 71. scissors angle of the diagonal rod and ground should be (45 - 60).72. Road, ra
28、mp width and slope of the provisions is (not less than 1. 5 meters and should adopt the 1:6).73. double row scaffolding lateral rod end wall to wall decorative surface (a distance not greater than 100 mm).74. when the equipment on the basis of the scaffolding foundation under the trench, (if we dont
29、 take measures, should not be excavated).75. scaffolding erection,Should abide by: (a building height should not exceed two steps above the wall connection piece).76. dismantling must be (must be from top to bottom, top and bottom layer shall not work).77. when take section and facade scaffolding re
30、moved when the scaffold is not removed (should be in accordance with the provisions set at both ends of wall and lateral bracing device).The number and quality of the 78. fastener with tight sampling inspection standards for: (connecting the lateral rod fastener, and longitudinal level bar every 51-
31、91 should be sampling 5, does not allow unqualified).Wireland 79. construction scaffolding outside the lateral closed, the mesh density should not be less than (2 cm 2000/100).Demolition of 80. steel template parts, at the edge of the floor and temporary stacking distance shall not be less than (1 m
32、eters).The height of more than 81. (24 meters) cross operation level, all personnel entering the channel should be set up double safety protection shed.82. before the construction of the high operation, should carry out safety protection facilities (check).83. overhanging steel platform pivot and th
33、e upper pull node must be located (buildings).Acceptance of 84. safety protection facilities, should have the construction organization and design and related data checking, safety protection facilities acceptance record. Safety protection facilities (change records and visa data).85. rain and snow
34、high altitude operation, must adopt reliable anti-skid, and cold (freezing) measures.86. roof slope is greater than 1:2. 2, protective railing shall be provided (1.5 meters) high.Fixed and connected with the 87. bar baluster, its overall structure should enable the protective railing anywhere in the
35、 bar, can withstand any direction of the external force (lOOON).88. protective railings must be down with a safety net closed or set tight fixed height in the railings below (not less than 18 cm) a foot blocking n block feet or 40 cm.89. lift wellhead must set protective railing or fixed gate; lift
36、wells every two or the most historic (10 meters) set upa safety net.The length of more than 90. (150 cm) of the hole, the hole located around the protective railing, Zhang a safety net.The 91. vertical wall, where the landing should install the fixed protective door, the door should not be greater t
37、han the grid spacing (15 cm).92. under the floor or bottom edge to 80 cm below the windowsill and other vertical hole, such as the side gap is greater than 2 meters, should be added (1. 2 meters high) temporary fence.93. traffic at the roadside hole, deep groove and pipeline pit, tank and cover shou
38、ld be able to withstand not less than the local truck rear wheel effective rated capacity of the load (2 times).94. the foot of the stairs should be solid, not high pad use. Vertical ladder angle (75 degrees to + 5 degrees).95. concrete pouring suspended operations, such as no reliable safety facili
39、ties, must fasten the safety belt and (buckle hook), or a safety net.The 96. hanging rigging, scaffolding, nacelle, cage, platform and other equipment, shall be subject to (identification) or verification can be used.97. installation of piping there must have the structure or the operation platform
40、as the starting point, is strictlyprohibited in the installation of the pipeline (standing or walking).98. kinds of vertical transport material receiving platform, in addition to both sides of the guardrail rod, platform should be set (safety door) or protective railing.99. layered construction of s
41、tairs and staircases, must install a temporary fence. The top stair should follow the progress of the installation of engineering structures (official protective railings).100. safety belt for the retirement age (3 - 5).101. in the construction (including scaffolding with) and 10KV between the perip
42、heral electric overhead 1ine line should be the minimum safety operating distance (6 meters).102. the construction site of the motor vehicle lanes and 220/380V overhead lines cross the minimum vertical distance should be (6 meters).103. in the tunnel construction, the lighting power supply voltage s
43、hould be less than (36V), in damp places construction, lighting power supply voltage should not exceed (24V).104. when welding prohibited by metal pipes, metal scaffolding,The structure of reinforced metal lap (wire) instead of using.105. electric arc welding, once the personnel and mechanical accid
44、ent, should immediately (power off).106. calcium carbide must use dry sand or fire (carbon dioxide) fire extinguishers, fire extinguishers or other prohibited fire with water.107. in order to prevent the welding arc damage the eyes, should take the way of protection is to use (Lv Guangjing).108. in
45、wet places and electric shock dangerous environment, safe voltage (12V).109. according to the provisions of the noise standard of industrial enterprises in China, where the new reconstruction allows for enterprises (85) DB noise.110. the construction site of the carpentry work area, which belongs to
46、 (a fire area).111. construction site permit (by the person in charge of the project department for approval).112. (tractor) are not allowed to enter the flammable and explosive goods warehouse or yard handling operations.113. flammable and explosive goods warehouse doors should be open to (outside)
47、.114. welding using acetylene cylinders shall be placed on the fire distance (10 meters) outside.The 115. winter construction of oxygen bottle freezing, should take measures to thaw (water thawing method).116. welding operation the acetylene cylinders and the oxygen bottle the safety distance is (5
48、meters).The following 117. items, (3) is combustible goods. 1. 2 asbestos. 3. glass reinforced concrete glass 4.The 118. winter construction, should pay attention to when working at height (slip).The 119. season of temporary road arch (4%).A multiple-choice question:1. pipe jacking construction main
49、ly includes: (1, set the operating pit construction and rail laying back, 2, jacking equipment layout, pipe work to prepare 3, precipitation and drainage, into the top 4, and the excavation unearthed, and under the pipe joint.)Safety protection measures of the shield construction process has 2. links (1, 2, the shield machine hole, thrust