Construction equipment [4]

1. The selection of pipes shall be based on the requirements of the transported medium （） And other factors to determine .

A. Water quality and water pressure
B. Water pressure and volume
C. Water quality and quantity
D. The water quality

2. The basic functions of the alarm controller do not include （）.

A. Received signal
B. The output signal
C. Monitor the working state of the system itself
D. Turn on and off the water flow in the pipe network

3. The high pressure boiler is made of （）.

A. Cast iron
B. steel
C. Cast iron and steel
D. aluminum

4. The utility model relates to a box facility specially used for containing certain fire water .

A. Fire hydrant
B. Fire water tank
C. Fire hose
D. Fire pool

5. The following （） occasion , Automatic sprinkler system is not required .

A. The floor area is larger than 1500 Square meters of wood workshop
B. Construction area of 4000 Square meter shopping mall
C. A unit house lower than seven floors
D. Parking 20 An underground garage

6. heat source 、 The heating system with heating pipes and heat dissipation equipment in the heating room is called （）.

A. Local heating system
B. Central heating system
C. Area heating system
D. Urban heating system

7. The radiators on each floor of the heating system are connected in parallel 、 On the return riser , The water passes through the return riser 、 The main pipe flows directly back to the boiler .

A. Double pipe upper supply and lower return type
B. Single pipe upper supply and lower return type
C. In the mechanical cycle, the supply type
D. two-wire

8. China is used to treating elevator speed classification , Low speed ladder often refers to the speed of （）.

A. lower than 1.00m/s
B.1.00～2.00m/s
C. The speed is greater than 2.00m/s
D. At a faster rate than 20m/s

9. It can collect the layer selection signal in the lift car and the external call signal of each layer , Automatically decide on , The control mode of sequential response in the next running direction belongs to （） The elevator .

A. press-button control
B. Signal control
C. Centralized selection control
D. Parallel control

10. For the leakage protector for the purpose of preventing electric shock, it is advisable to choose （）.

A. Action time 0.1 second , Action current 30 Ma
B. Action time 0.1 second , Action current 15 Ma
C. Action time 0.5. second , Action current 30 Ma
D. Action time 0.5 second , Action current 30 Ma

11. Power supply for high-rise buildings , Fire fighting electrical equipment , Emergency lighting , The fire elevator belongs to （）.

A. Class I load
B. Secondary load
C. Class III load
D. Class IV load

12. If the normal lighting is interrupted for some reason , Lighting for continued work and evacuation is called （）.

A. Emergency lighting
B. Guard duty lighting
C. Obstacle lighting
D. Decorative lighting

13. Incandescent lamps belong to the second category （） Generation light source .

A. One
B. Two
C. 3、 ... and
D. Four

14. Not part of the cable TV system .

A. Signal source
B. user terminal
C. Signal transmission and distribution network
D. Back end systems

15. Office automation system is abbreviated as （）.

A.FAS
B.CNS
C.OAS
D.SAS

16. intercom system 、 The maintenance regulations of anti-theft system are applicable to the host of the whole system 、 line 、 The time interval for checking the floor decoder is （）.

A. A year
B. Half a year
C. A month
D. A week

17. The common water supply modes of indoor water supply system are （）.

A. Direct water supply mode
B. Set the water supply mode of booster equipment
C. Water supply mode of district water supply
D. Water supply mode of air pressure tank

18. The following belongs to the internal drainage system of the building （）.

A. Diversion system
B. Confluence system
C. Direct emission system
D. Filter discharge system

19. The management of heating system includes （）.

A. Heat source management
B. Heat supply network management
C. User management
D. Cost management

20. The basic composition of the air conditioning system is （）.

A. Cold and heat source system
B. Air handling
C. Energy transmission and distribution system
D. Automatic control system

21. The air conditioning system can be divided into... According to the setting of the equipment （）.

A. Centralized
B. Stand alone
C. Semi centralized
D. Hybrid

22. The following are common lighting device failures （）.

A. A short circuit
B. Grounding
C. Open circuit
D. Electric leakage

23. The connection modes of low-voltage distribution mainly include （）.

A. Radial
B. Straight line
C. Trunk
D. Hybrid

24. Emergency lighting generally adopts （）.

A. Fluorescent high pressure mercury lamp
B. Fluorescent lamp
C. Incandescent lamp
D. High pressure sodium lamp

25. Any kind of cable TV system , No matter how complicated , All by （） form .

A. front end
B. Signal transmission and distribution network
C. Router
D. user terminal

26. heat source 、 The heating system with heating pipes and heat dissipation equipment in the heating room is called （）.

A. Central heating system
B. Urban heating system
C. Local heating system
D. Area heating system

27. If the normal lighting is interrupted for some reason , Lighting for continued work and evacuation is called （）.

A. Emergency lighting
B. Obstacle lighting
C. Guard duty lighting
D. Decorative lighting

28. The water tank for drinking water shall be provided with a sealed box cover , The box cover shall be provided with access hole and vent pipe , The diameter of vent pipe is generally not less than 50mm; No valve shall be installed on the vent pipe , The nozzle shall be set downward , And the nozzle shall be equipped with （）.

A. Sealing device
B. Exhaust device
C. barometer
D. Dust screen

29. Power supply for high-rise buildings , Fire fighting electrical equipment , Emergency lighting , The fire elevator belongs to （）.

A. Class III load
B. Class I load
C. Secondary load
D. Class IV load

30. Office automation system is abbreviated as （）.

A.CNS
B.SAS
C.FAS
D.OAS

31. The basic functions of the alarm controller do not include （）.

A. The output signal
B. Received signal
C. Monitor the working state of the system itself
D. Turn on and off the water flow in the pipe network

32. Incandescent lamps belong to the second category （） Generation light source .

A. Four
B. Two
C. 3、 ... and
D. One

33. The utility model relates to a box facility specially used for containing certain fire water .

A. Fire water tank
B. Fire pool
C. Fire hydrant
D. Fire hose

34. Not part of the cable TV system .

A. Signal source
B. Signal transmission and distribution network
C. user terminal
D. Back end systems

35. intercom system 、 The maintenance regulations of anti-theft system are applicable to the host of the whole system 、 line 、 The time interval for checking the floor decoder is （）.

A. Half a year
B. A year
C. A month
D. A week

36. The radiators on each floor of the heating system are connected in parallel 、 On the return riser , The water passes through the return riser 、 The main pipe flows directly back to the boiler .

A. Double pipe upper supply and lower return type
B. In the mechanical cycle, the supply type
C. Single pipe upper supply and lower return type
D. two-wire

37. The following （） occasion , Automatic sprinkler system is not required .

A. Construction area of 4000 Square meter shopping mall
B. The floor area is larger than 1500 Square meters of wood workshop
C. A unit house lower than seven floors
D. Parking 20 An underground garage

38. Used to transport goods , An elevator usually accompanied by people .

A. Cargo elevator
B. Sundry ladder
C. Passenger and freight elevator
D. Residential elevator

39. Equipment maintenance management is mainly divided into fault repair and maintenance （） Two types of .

A. Predictive maintenance
B. Equipment renewal and transformation management
C. Technical training
D. Operation monitoring management

40. The basic composition of the air conditioning system is （）.

A. Cold and heat source system
B. Energy transmission and distribution system
C. Automatic control system
D. Air handling

41. Emergency lighting generally adopts （）.

A. Fluorescent high pressure mercury lamp
B. Incandescent lamp
C. Fluorescent lamp
D. High pressure sodium lamp

42. The following are common lighting device failures （）.

A. Grounding
B. Electric leakage
C. A short circuit
D. Open circuit

43. The common water supply modes of indoor water supply system are （）.

A. Direct water supply mode
B. Water supply mode of district water supply
C. Set the water supply mode of booster equipment
D. Water supply mode of air pressure tank

44. The connection modes of low-voltage distribution mainly include （）.

A. Hybrid
B. Straight line
C. Trunk
D. Radial

45. Any kind of cable TV system , No matter how complicated , All by （） form .

A. Signal transmission and distribution network
B. user terminal
C. front end
D. Router

46. The following belongs to the internal drainage system of the building （）.

A. Filter discharge system
B. Confluence system
C. Direct emission system
D. Diversion system

47. The management of heating system includes （）.

A. Heat source management
B. User management
C. Heat supply network management
D. Cost management

48. The specification of galvanized steel pipe is DN15、DN20 etc. ,DN Indicates the inner diameter

A. Yes
B. wrong

49. Passive distribution network can connect more users , Active distribution network can connect fewer users .

A. Yes
B. wrong

50. The stop valve is tightly closed , Attention shall be paid to large water flow resistance during installation , Prevent reverse installation .

A. Yes
B. wrong

51. When a high-level water tank is set for water supply , To prevent the water in the water tank from flowing back to the outdoor pipe network , A butterfly valve is set at the inlet pipe entering the room

A. Yes
B. wrong

52. Cast iron pipes can be bonded .

A. Yes
B. wrong

53. Once the elevator runs over speed or the pulling force of the traction steel rope decreases , Installed on the lift car （ Some are installed on the counter weight ） The safety gear of is started , Firmly clamp the lift car onto the guide rail , Avoid accidents .

A. Yes
B. wrong

54. From the space position of the elevator , It consists of four parts ： Computer room 、 Hoistway 、 Lift car 、 Landing .

A. Yes
B. wrong

55. To quickly open and close the water supply pipeline , The valve to be installed on the pipeline is the stop valve .

A. Yes
B. wrong

56. To prevent backflow of pipeline water , The valve to be installed on the pipeline is butterfly valve .

A. Yes
B. wrong

57. The artificial grounding wire can use the metal structure of the building .

A. Yes
B. wrong

58. When the lighting circuit is open , Due to the high current , If the fuse is not fused in time or the air switch is not disconnected in time , May burn wires or electrical equipment , Even cause a fire .

A. Yes
B. wrong

59. The diameter of seamless steel pipe adopts outer diameter ´ Wall thickness marking method .

A. Yes
B. wrong

60. If the water supply pressure of outdoor water supply network is 200KPa, Domestic water pressure required by the building 240KPa, When the outdoor water supply can meet the requirements of indoor water consumption , But when it is difficult to set up a pool , A water storage tank shall be set 、 Water pump 、 The water tank works together to supply water .

A. Yes
B. wrong

61. Commonly known as 24V The following voltages are safety voltages .

A. Yes
B. wrong

62. Regular safety inspection is carried out in accordance with the provisions of the competent government departments , The safety inspection conducted by the elevator registration or Certification Engineer appointed by the relevant department or competent department in charge of elevator registration .

A. Yes
B. wrong

63. The water pressure of the outdoor water supply network periodically meets the water volume of the indoor pipe network 、 When required by water pressure , The water supply mode with high-level water tank is adopted .

A. Yes
B. wrong

64. The outlet pipe shall be set at the lowest point of the water tank .

A. Yes
B. wrong

65. The gas water heater can be directly installed in the bathroom .

A. Yes
B. wrong

66. The advantage of open line laying is low project cost , Easy maintenance , It does not affect the beauty of the environment , Moisture-proof .

A. Yes
B. wrong

67. To quickly open and close the water supply pipeline , The valve to be installed on the pipeline is butterfly valve .

A. Yes
B. wrong

68. From the definition of property equipment and facilities management , The management of property equipment and facilities should be considered from the two elements of technical level and economic level as well as the relationship between them .

A. Yes
B. wrong

69. The water pressure of the outdoor water supply network periodically meets the water volume of the indoor pipe network 、 When required by water pressure , A water storage tank is adopted 、 Water pump 、 Water tank combined working water supply mode .

A. Yes
B. wrong

70. The water inlet and outlet pipes share one pipe , A check valve shall be set on the short outlet pipe .

A. Yes
B. wrong

71. The gate valve can be used to regulate the flow , There is no directionality during installation .

A. Yes
B. wrong

72. Medium efficiency filter is mainly used to filter particles with a size greater than 5.0 Micron medium particle dust .

A. Yes
B. wrong

73. When the lift commissioning exceeds 50m When above , The weight of traction steel wire rope and traveling cable can no longer be ignored .

A. Yes
B. wrong

74. Gate valves shall not be used to regulate flow , Directional installation .

A. Yes
B. wrong

75. Generally, the domestic water supply inlet pipe of public buildings is only provided with 2 strip .

A. Yes
B. wrong

76. When the water inlet pipe and the water outlet pipe of the water tank are the same pipe , A plug valve shall be installed on the outlet pipe at the bottom of the water tank .

A. Yes
B. wrong

77. When the water inlet pipe and the water outlet pipe of the water tank are the same pipe , A check valve shall be installed on the outlet pipe at the bottom of the water tank .

A. Yes
B. wrong

78. If the water supply pressure of outdoor water supply network is 300KPa, Water pressure required for building 400KPa, And considering that the water quality should not be polluted , Air pressure water supply device shall be set for water supply .

A. Yes
B. wrong

79. The heating system is divided into local heating system and central heating system according to the heating scope .

A. Yes
B. wrong

80. The following buildings that do not belong to class I lightning protection are （）.（ The difficulty coefficient ： easy ）

A. Buildings with particularly important uses , Such as national hall and so on
B. Buildings and structures under state-level key cultural relics protection
C. It's higher than 50m The building
D. There are inflammables in the house 、 Buildings with explosive substances

81. The basic functions of the alarm controller do not include （）.（ The difficulty coefficient ： easy ）

A. Received signal
B. The output signal
C. Monitor the working state of the system itself
D. Turn on and off the water flow in the pipe network

82. User terminal refers to the connector that supplies TV signals to the common antenna TV system , Also known as （）.（ The difficulty coefficient ： easy ）

A. Front end system
B. User junction box
C. Terminal box
D. Signal source

83. Office automation system is abbreviated as （）.（ The difficulty coefficient ： easy ）

A.FAS
B.CNS
C.OAS
D.SAS

84.（）, Internationally, to save electric energy 、 For the purpose of protecting the environment " Green lighting ” Concept .（ The difficulty coefficient ： easy ）

A.20 century 80 s
B.20 century 80 End of the decade
C.20 century 90 s
D.20 century 90 End of the decade

85. It can collect the layer selection signal in the lift car and the external call signal of each layer , Automatically decide on , The control mode of sequential response in the next running direction belongs to （） The elevator .（ The difficulty coefficient ： easy ）

A. press-button control
B. Signal control
C. Centralized selection control
D. Parallel control

86. intercom system 、 The maintenance regulations of anti-theft system are applicable to the host of the whole system 、 line 、 The time interval for checking the floor decoder is （）.（ The difficulty coefficient ： easy ）

A. A year
B. Half a year
C. A month
D. A week

87. China is used to treating elevator speed classification , Low speed ladder often refers to the speed of （）.（ The difficulty coefficient ： easy ）

A. lower than 1.00m/s
B.1.00～2.00m/s
C. The speed is greater than 2.00m/s
D. At a faster rate than 20m/s

88. The selection of pipes shall be based on the requirements of the transported medium （） And other factors to determine .（ The difficulty coefficient ： easy ）

A. Water quality and water pressure
B. Water pressure and volume
C. Water quality and quantity
D. The water quality

89.25 A residential building with floors belongs to （） Class I lightning protection buildings .（ The difficulty coefficient ： easy ）

A. One
B. Two
C. 3、 ... and
D. Four

90. The number of indoor fire hydrants exceeds 10 And the water consumption of fire hydrant is greater than 15L/S when , The inlet pipe of fire water supply shall not be less than （） strip , And arrange a layer of ring .（ The difficulty coefficient ： easy ）

A.1
B.2
C.3
D.4

91. Power supply for high-rise buildings , Fire fighting electrical equipment , Emergency lighting , The fire elevator belongs to （）.（ The difficulty coefficient ： easy ）

A. Class I load
B. Secondary load
C. Class III load
D. Class IV load

92. By detecting the infrared light in the flame 、 Ultraviolet light is used to detect fire （） Fire detector .（ The difficulty coefficient ： easy ）

A. photosensitive
B. Temperature sensing
C. Smoking
D. Combustible gas

93.（） The radiators on each floor of the heating system are connected in parallel 、 On the return riser , The water passes through the return riser 、 The main pipe flows directly back to the boiler .（ The difficulty coefficient ： easy ）

A. Double pipe upper supply and lower return type
B. Single pipe upper supply and lower return type
C. In the mechanical cycle, the supply type
D. two-wire

94.（） It refers to the ratio of the actual value of water vapor mass contained in unit volume air to the maximum value of water vapor mass contained in unit volume air at the same temperature .（ The difficulty coefficient ： easy ）

A. Absolute humidity
B. Moisture content
C. Saturated absolute humidity
D. Relative humidity

95. The power load of civil buildings is divided into three levels . The following are secondary loads （）.（ The difficulty coefficient ： easy ）

A. Interruption of power supply will cause personal injury and death
B. The interruption of power supply will have a significant political impact
C. Interruption of power supply will cause heavy economic losses
D. The place is in disorder

96. Equipment maintenance management is mainly divided into fault repair and maintenance （） Two types of .（ The difficulty coefficient ： easy ）

A. Technical training
B. Predictive maintenance
C. Operation monitoring management
D. Equipment renewal and transformation management

97. The advantages of a single pipe system do not include （）.（ The difficulty coefficient ： easy ）

A. The system is simple , Save pipe materials
B. Low cost , Easy to install
C. The commissioning difference between the upper and lower rooms is small
D. The downstream type can carry out individual adjustment

98. Which method should be adopted for the air conditioning system of the theater auditorium （）.（ The difficulty coefficient ： easy ）

A. Fan coil plus fresh air
B. Fresh air
C. All air
D. Fan coil

99. During elevator operation inspection , After the elevator is opened by the operator on duty 、 The inspections carried out before stopping the ladder and during the shift are （）.（ The difficulty coefficient ： easy ）

A. Patrol inspection
B. Daily inspection
C. Weekly inspection
D. Monthly inspection

100. For the leakage protector for the purpose of preventing electric shock, it is advisable to choose （）.（ The difficulty coefficient ： easy ）

A. Action time 0.1 second , Action current 30 Ma
B. Action time 0.1 second , Action current 15 Ma
C. Action time 0.5. second , Action current 30 Ma
D. Action time 0.5 second , Action current 30 Ma