43. The topic adopts the new structure, new materials, new technology construction engineering and special structure construction engineering, the design unit in the design does not need to put forward measures and suggestions to ensure the safety of construction personnel and prevent production safety accidents. -answer: (wrong).
44. The enclosure should be stable, neat and beautiful. When stacking building materials, garbage and engineering dregs, keep a certain distance from the enclosure. -Case: (right).
45. The topic is to standardize the civilized construction of safe production and ensure the health of employees. The construction area and living area should be clearly divided, and the corresponding responsibility system should be established, and the responsibility should be implemented to people. -Correct answer: (Yes).
Article 46. When storing and using various gas cylinders, keep away from naked flames 10 m or more, and avoid exposure to sunlight. They should not collide when moving. -(right).
49. The height of more than 30m double-row scaffolding, rigid wall pieces must be used to reliably connect with buildings. -Correct answer: (Wrong).
50. The N and PE terminal boards in the distribution box and switch box must be set separately. Wherein the n terminal board is insulated from the metal box; The PE terminal board is electrically connected with the metal box. -Correct answer: (Yes).
56. The limit switch is mainly used as a control switch for mechanical movement displacement limitation and a safety interlock control switch. -Correct answer: (Yes)
Article 43. When the construction unit requests the required information from the relevant departments or units for the construction project, the relevant departments or units have the right to refuse to provide it. (error)
Article 44. Before the construction of a building project, the technical personnel in charge of project management of the construction unit shall explain in detail the technical requirements for safe construction to the construction team and operators, and the technical personnel shall sign for confirmation. -Correct answer: (Wrong).
47. The scaffolding of the operation layer should be covered and spread stably, leaving the wall120-150 mm. When the scaffolding is tiled, there must be (two) horizontal rods at the joint. Scaffolding bottom step should not be greater than 3m- correct answer: (false).
Article 50. The metal base of reinforcement machinery must be reliably connected with PE line. -Correct answer: (Yes).
No.5 1. Construction on scaffolding meets the standard value of structural construction load: 3kn/㎡; 2KN/㎡ for decoration. -Correct answer: (Yes).
54. Total safety management emphasizes summing up experience from accidents and incidents and obtaining effective control methods. -Correct answer: (Yes).
Article 44. Full-time safety production management personnel shall immediately report the illegal command and operation, but have no right to stop the behavior of the construction unit. Case: (Wrong).
45. Deep foundation pit refers to a foundation pit (trough) with a depth of more than 3 meters, or a foundation pit (trough) with a depth of less than 3 meters but complicated geological strip and surrounding environment. -(right).
46. The hook falls off due to long-term use, and it must be welded and repaired before it can be used again. -answer: (wrong).
Article 47. Single-row and double-row scaffolding with a height of less than 24m must be set with scissors at both ends of the facade, and set continuously from bottom to top. -Correct answer: (Yes)
Article 48. Temporary power utilization projects must be compiled, reviewed and approved by departments and users, and can only be put into use after passing the acceptance. -Correct answer: (Yes).
49. The topic of temporary electricity construction organization design does not include transformer selection and electrical safety fire prevention measures. -answer: (wrong).
Article 49. The exposed conductive parts of all electrical equipment in the theme power supply system must be reliably electrically connected with PE wires. -Correct answer: (Yes).
50. The safe distance between the tail of tower crane and surrounding buildings and its peripheral construction facilities is not less than 0.6m-the correct answer: (Yes).
Article 52. The metal shell or base of concrete mechanical motor must be reliably connected with PE line, and the connection points shall not be less than 2. -Correct answer: (Yes).
53. The metal base of reinforcement machinery must be reliably connected with PE line. -Correct answer: (Yes).
Article 54. Lifting commanders can also work as cable (hook) workers, and should carefully observe the surrounding environment to ensure the correct signal. -Correct answer: (Wrong)
Article 55. Even the wall column or brace in the wall piece should be set horizontally. When it cannot be set horizontally, one end connected with the scaffold should be connected obliquely, and the upper oblique connection is not allowed. -Correct answer: (Yes)
Article 58. The problem is to allow the working grounding resistance to reach10Ω. The equivalent resistance of all repeated grounding in power system should not be less than10Ω. -Correct answer: (Yes).
Question 44. One or more points on the zero line are electrically connected to the earth again or more times through grounding devices, which is called repeated grounding. Its resistance value is not greater than 10ω. -Correct answer: (Yes).
Article 59. For a construction project that has been approved in accordance with the law, the construction unit shall, within 5 days from the date of approval of the commencement report, report the safety construction measures to the construction administrative department of the local people's government at or above the county level or other relevant departments for the record. -Correct answer: (Yes).
Article 45. The legal representative of the enterprise is the first person responsible for production safety, and the legal representative of the enterprise and the project manager must pass the occupational safety and health management qualification certification and hold relevant certificates. -Correct answer: (Wrong).
46. The hanging basket should be operated by Plaster workers, a professional aerial worker. -Correct answer: (Wrong).
Question 48. One or more points on the zero line are electrically connected to the earth again or more times through grounding devices, which is called repeated grounding. Its resistance value is not greater than 10ω. -Correct answer: (Yes).
Article 49. When the power distribution line is powered by cable, five-core cable must be used. It is forbidden to use four-core cable plus PE protection line for power distribution —— (right).
Article 50. The monitoring scope of deep foundation pit engineering should include the buildings (structures) of basement or underground structure and the surrounding environment such as buildings, structures, roads, underground facilities, underground pipelines, rock and soil bodies and underground water bodies adjacent to the foundation pit. -Correct answer: (Yes).
Title 5 1. The qualification certificate for special operations in construction adopts the unified style stipulated by the Ministry of Housing and Urban-Rural Development, which is common throughout the country and valid for three years.
52. The N and PE terminal boards in the distribution box and switch box must be set separately. Wherein the n terminal board is insulated from the metal box; The PE terminal board is electrically connected with the metal box. -Correct answer: (Yes).
53. In TN-S system, the working zero line laid separately will be repeatedly grounded. -Correct answer: (Wrong).
57. In TN-S system, the metal part of the transmission device of electrical equipment should be protected and grounded. -Correct answer: (Yes).
Article 45. The departments of the people's governments at or above the county level responsible for the supervision and administration of construction project safety production have the right to correct the acts that violate the requirements of construction project safety production when performing their duties of safety supervision and inspection within their respective duties, and order them to immediately eliminate the hidden dangers of safety accidents found in the inspection, and may order them to temporarily stop construction for major hidden dangers. -Correct answer: (Yes).
Article 48. Under normal circumstances, the metal shell of electrical equipment and the metal frame of mechanical equipment are connected with the protection zero line, which is called zero connection or zero connection protection. -Correct answer: (Yes).
Title 5 1. The electrical control system adopts three-phase five-wire system, and the working zero line and the protection zero line should always be separated, and the protection zero line should adopt green/yellow double-color lines. (right).
Article 52. Scaffolds with a height of more than 50 can adopt effective measures such as double-tube vertical pole, segmental cantilever or segmental unloading, and must be specially designed separately. (right).
Article 54. Safety ropes should be set at both ends of the hanging basket. The operator should hang the safety belt, and the safety belt should not be hung on the wire rope for lifting the hanging basket. -Correct answer: (Yes).
Article 56. The regulation of scaffolding pole extension is: except for the top step, other layers and steps must overlap. -Correct answer: (Wrong).
57. Total safety management emphasizes summing up experience from accidents and incidents and obtaining effective control methods. -Correct answer: (Yes).
Article 58. All units and individuals engaged in construction, civil engineering, equipment installation, pipeline laying and other construction and component production activities must accept the administrative supervision and management of the construction administrative department and its authorized construction safety production supervision institutions, and accept the national safety supervision according to law. -Correct answer: (Yes)
Article 59. For a construction project that has been approved in accordance with the law, the construction unit shall, within 5 days from the date of approval of the commencement report, report the safety construction measures to the construction administrative department of the local people's government at or above the county level or other relevant departments for the record. -Correct answer: (Yes).
Question 46. Double-row scaffolding with a height of less than 24m needs (rigid) wall connecting pieces to be reliably connected with the building-the correct answer: (Yes).
Article 47. Starting from the second floor of the structural construction, a safety protection shed should be erected at the entrance of personnel entering and leaving, and a single-layer safety protection shed must be erected for buildings with a height of more than 24 m ...-Correct answer: (Wrong)
Article 48. The metal material used as artificial grounding body should not be steel bar or aluminum. -Correct answer: (Yes).
50. The width of the maintenance channel on the side of the distribution cabinet shall not be less than1m.. -Correct answer: (Yes)
Article 53. When excavating earthwork manually, the operating distance between two people should be kept at 1 -2m, and excavation should be carried out layer by layer from top to bottom. -(wrong).
56. If class II hand-held power tools are used, there is no need to install leakage protectors. -Correct answer: (Wrong).
58. Scaffolding must be erected in accordance with the construction progress, and the height of erection shall not exceed three steps at a time (adjacent to the wall)-Correct answer: (Wrong).
Article 59. The secondary line of welding machinery should use waterproof rubber sheathed steel core flexible cable, the cable length should not be more than 50 meters, the sheath should not be damaged, the joint must be insulated, waterproof and well protected, and there should be no exposed live parts. -Correct answer: (Wrong).
42. Construction hoisting machinery and integral lifting scaffolding, templates and other jack-up erection facilities can be put into use after installation. -Correct answer: (Wrong).
Article 43. Before the construction of a building project, the technical personnel in charge of project management of the construction unit shall explain in detail the technical requirements for safe construction to the construction team and operators, and the technical personnel shall sign for confirmation. -answer: (wrong).
Article 49. The distribution box and switch box shall have the name, purpose, shunt sign and system wiring diagram. -Correct answer: (Yes).
Title 5 1. When the construction elevator is in use, emergency stop switches should be installed inside and outside the hanging cage. -Correct answer: (Yes).
Article 53. Scaffolds with a height of more than 50 can adopt effective measures such as double-tube vertical pole, segmental cantilever or segmental unloading, and must be specially designed separately. -(right).
Item 54. The tightening torque of fasteners shall be controlled in the following range: ≥40N? m; ≤65 N? M.-answer: (yes).
Title 56. Limit switches should be set at the upper and lower limit positions of the construction elevator guide rail. -Correct answer: (Yes).
Article 57. The secondary line of welding machinery should use waterproof rubber sheathed steel core flexible cable, the cable length should not be more than 50 meters, the sheath should not be damaged, the joint must be insulated, waterproof and well protected, and there should be no exposed live parts. -Correct answer: (Wrong).
60. Construction safety accidents and occupational diseases can be completely avoided. -Correct answer: (Wrong).
Article 45. When the power distribution line is powered by cable, five-core cable must be used. It is forbidden to use four-core cable plus PE protection line for power distribution —— (right).
46. The distance between the distribution box and the switch box should not exceed 50m- Correct answer: (Wrong).
47. The topic of leakage protector is mainly to protect potential fatal electric shock accidents, and can't prevent fire accidents. -Correct answer: (Wrong).
48. Limit switches are mainly used as control switches for mechanical movement displacement limitation and safety interlock control switches. -Correct answer: (Yes).
Article 43. When storing and using various gas cylinders, keep away from naked flames 10 m or more, and avoid exposure to sunlight. They should not collide when moving. (right).
Article 47. The extension of longitudinal horizontal bars shall be connected by butt fasteners, and shall not overlap. -Correct answer: (Wrong).
Question 50. Leakage protector is a protective electrical appliance (pair) used to prevent personal electric shock and electrical fire when the insulation of circuit or electrical appliance is damaged and short circuit to ground occurs.
Title 5 1. Leakage protectors are mainly used to protect electric shock accidents that may be fatal, but they cannot prevent fire accidents. -Correct answer: (Wrong).
Article 54. Even the wall column or brace in the wall piece should be set horizontally. When it cannot be set horizontally, one end connected with the scaffold should be connected obliquely, and the upper oblique connection is not allowed. -Correct answer: (Yes).
58. Safety performance measurement includes active measurement and passive measurement. -Correct answer: (Yes).
60. Effective safety management should be based on the understanding of risks and how to control them. -Correct answer: (Yes)
26. According to the Regulations on the Administration of Work Safety in Construction Projects, survey units shall conduct surveys in accordance with laws, regulations and mandatory standards for construction projects, and the survey documents provided shall meet the needs of work safety in construction projects. -Correct answer: (b, c). You selected: ()
B. authenticity
C. accuracy (sex)
27. Full-time safety production management personnel are responsible for on-site supervision and inspection of safety production. Found hidden dangers of safety accidents, it shall promptly report to (). -Correct answer: (a, b). You selected: ()
A. Safety production management organization
B. Planning instructors
Question 28. Which of the following regulations is correct when formwork support and disassembly are suspended? ()-Correct answer: (b, c, d). You selected: ()
B it is forbidden to install and dismantle the formwork in the same vertical direction.
C. When constructing airport formwork, supports or scaffolding shall be installed.
D. If the template has reserved holes, cover them after installation.
Question 29. The hanging basket parking device of the material hoist should be able to bear reliably: ()-Correct answer: (a, b, c, d). You selected: ()
A. self-weight of hanging basket
B. rated load
C. Delivery personnel
D. Workload when loading and unloading materials
The 30th. The power supply voltage of the headlamp can be ()-correct answer: (c, d, e). You selected: ().
About 36V
24V DC
E. 12V
Question 3 1. Safe voltage is a voltage series of a specific power supply used to prevent electric shock accidents. The following is safe voltage's ()-correct answer: (b, c, d). You chose: ().
36v
24v alternating current
D. 12v
Article 32. Full-time safety production management personnel are responsible for on-site supervision and inspection of safety production. If hidden dangers of safety accidents are found, it shall report to the project leader and the safety production management institution in a timely manner; In case of (), it should be stopped immediately. -Correct answer: (a, d). You selected: ()
A. Illegal instructions
D. Illegal operation
33. Steel bars marked with () shall not be used as templates. -correct answer: (a, b, d, e). You selected: ()
A. bending
B. squash
D. cracks
E. severe corrosion
34. This topic temporary electricity construction organization design safety technical principle is (). -correct answer: (a, b, c). You selected: ()
A. TN-S neutral point protection system must be adopted;
B. TN-S neutral point protection system must be adopted;
C. leakage protection system must be adopted;
Article 36. After the installation of jack-up erection facilities such as construction hoisting machinery, integral lifting scaffolding and formwork is completed, the installation unit shall conduct self-inspection, issue (), and give instructions on safe use to the construction unit, handle () and sign it. -Correct answer: (c, e). You selected: ()
C. Self-inspection certificate
E. Acceptance procedures
Question 28. After the installation of jack-up erection facilities such as construction hoisting machinery, integral lifting scaffolding and formwork, ()-Correct answer: (a, b, c, d). You chose: ().
A. the installation unit shall conduct self-inspection.
B. issue a self-inspection certificate.
C. issue instructions for safe use to the construction unit.
D. go through the acceptance formalities and sign it.
Article 38. The person in charge of the project shall, in accordance with the requirements of (), take reliable technical measures to eliminate potential safety hazards and ensure construction safety. -correct answer: (a, b, c, d). You selected: ()
A. Engineering characteristics
B. Construction method
C. Construction procedures
D. Safety regulations and standards
Article 39. Units that provide mechanical equipment and accessories for construction projects shall be equipped with complete and effective safety facilities and devices in accordance with the requirements of safe construction. -Correct answer: (b, c). You selected: ()
B. insurance
C. restrictions
40. Safety technical disclosure must be (). -correct answer: (a, b, c). You selected: ()
A. Special
B. clear
C. Strong pertinence
Question 26. The engineering supervision unit found hidden dangers of safety accidents in the process of supervision, ()-Correct answer: (a, b, c). You chose: ().
A. require the construction unit to rectify.
B when the situation is serious, ask the construction unit to stop the construction temporarily and report to the construction unit in time.
C. If the construction unit refuses to rectify or stop the construction, the project supervision unit shall report to the relevant competent department in time.
27. The safety device of the hanging basket has ()-correct answer: (a, b, d). You chose: ().
A. Safety locks and insurance cards
B. Travel limiter
D. brake band
28. The standing fire equipment on the construction site is (). -correct answer: (a, b, c, d). You selected: ()
A. sand
B. bucket
C. shovel
D. fire extinguisher
30. The layout of the power distribution room shall meet the following requirements ()-Correct answer: (b, c, d). You selected: ()
B the width of the side channel of the power distribution cabinet shall not be less than1m.
C the upper end of the power distribution device is not less than 0.5m from the ceiling.
D the width of the operation channel of the single-row power distribution cabinet shall not be less than1.5m.