安全员C证考试试题(国外英文资料).doc

安全员C证考试试题(国外英文资料) Security officer C card exam questions browse times: 1078 Update Date: 2011-4-8 15:33:14 radio questions: The excavation of 1. wetland areas, for artificial precipitation, fell to the bottom (0.5 to 1 meters) shall be excavated. 2. when excavating in expansive soil area, do well (drainage work) before excavation. 3., the use of reinforced concrete pouring pile, the excavation standard is pile concrete reach (design strength). 4. when the earthwork is excavated, the spacing between the two persons shall be maintained (1 meters). 5. the head of the shield machine should check the concentration of combustible gas every day, so as to predict, prevent and control the work, and do a good job (record book). 6. the drainage ditch and the water collection well around the foundation pit (trough) shall be located outside of the foundation. 7. the tool shall be well insulated and shall be operated with an electric high pressure oil pump (insulated gloves). 8., the excavated cars should be guided and guided, strictly prohibited (overload). 9. jacking method jacking length more than (50 meters), there should be measures to prevent hypoxia and suffocation. 10. pipe jacking construction. Pit oxygen and acetylene bottles (not allowed into the pit) placed. 11. the lighting and telecommunication system in the pipeline is generally used (low voltage electricity). 12. the installation of support must be built according to the order of (slotted support, pre support and dig). The dismantling of the 13. support shall be carried out according to the order in which the support is removed. 14. the reference points shall not be less than 2. 15. the formwork and its support must be set up during the installation (temporary fixing equipment capable of preventing overturn). 16., the template installation must be set up, the minimum height of the operation platform is (2 meters). 17. fastener type steel pipe support is higher than (4 meters) horizontal scissors support. 18., in t