Home/Volume-2/Rescue Apparatus and Rescue Operations Volume-2 Rescue Apparatus and Rescue Operations Admin03/08/20240 28 Less than a minute Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% Rescue Apparatus and Rescue Operations Rescue Apparatus and Rescue Operations 1 / 37 1. The CO2 absorbent used in prototype breathing apparatus is? Calcium hydroxide and Sodium hydroxide Calcium carbonate and caustic soda Sodium hydroxide and caustic soda Calcium hydroxide and caustic soda 2 / 37 2. The main function of self rescuer is? To supply 2 lit/min oxygen to wearer To convert CO to CO2 To supply 30 lit/min of oxygen to wearer None 3 / 37 3. The interval of time for igniting the fire damp air mixture at 650 deg C is ? 1 sec 5 sec 10 sec 30 sec 4 / 37 4. In gas mask silica gel is used ? To remove dust and smoke To remove ammonia and water vapour Converts CO to CO2 To remove sulphuretted hydrogen 5 / 37 5. Drager SCBA contains ....lit of O2 with a pressure .... kg/sq.cm? 100 ; 200 200 ; 400 400 ; 200 300 ; 150 6 / 37 6. The self contained oxygen breathing apparatus is of the type? Open circuit Portable Regenerative Dependable 7 / 37 7. The condition to use gasmask is atmosphere should contain sufficient O2 to support life and should contain more than ....% of CO? 1 2 3 4 8 / 37 8. The shelf life of MSA methanometer is? 6 months 12 months 18 months 24 months 9 / 37 9. The cooling agent in protosorb breathing apparatus is? Calcium hydroxide Sodium chloride Sodium Phosphate Methyle chloride 10 / 37 10. The apparatus used to administer pure oxygen to an unconscious person or affected by noxious gases is? Smoke helmet Reviving apparatus Self rescuer SCBA 11 / 37 11. The protosorb keeps the % CO2 in the breathing circuit? Below 2 % 2 - 4% 5% 6% 12 / 37 12. Duration of use of Drager SCBA is ? 1 hour 2 hours 3 hours 4 hours 13 / 37 13. The duration of usage of gas mask is? 1/2 hour 1 to 2 hours 3 hours 4 hours 14 / 37 14. The oxygen feed rate in Drager SCBA is ? 1 lit/min 1.5 lit/min 2 lit/min 3 lit/min 15 / 37 15. Samples from the sealed off area taken when the pressure behind is? Negative Positive 0 Either positive or negative 16 / 37 16. In Drager SCBA the O2 feed to wearer's requirement over and above 1.5 lit/min is supplied by? Bypass valve Pressure gauge valve Lung govern valve Reducing valve 17 / 37 17. The quantity of air inhaled per min at normal work is? 10-Aug 15 - 20 30 - 40 40 - 50 18 / 37 18. Pulmotor is a ? SCBA Escaping apparatus Reviving apparatus None 19 / 37 19. In gas mask caustic soda is used ? To remove dust and smoke To remove ammonia and water vapour Converts CO to CO2 To remove sulphuretted hydrogen 20 / 37 20. In gas mask the use of charcoal is ? To remove dust and smoke To remove ammonia and water vapour Converts CO to CO2 To remove organic vapours and acidic gases 21 / 37 21. In reviving apparatus the maximum O2 is supplied to person is? 10 lit/min 20 lit/min 30 lit/min 40 lit/min 22 / 37 22. The duration of usage of protosorb SCBA is ? 1/2 hour 1 hour 2 hour 3 hour 23 / 37 23. The O2 consumption per min if a person is walking ? 0.3 - 0.4 lit 0.6 - 0.9 lit 1.3 - 1.8 lit 1.8 - 2.3 lit 24 / 37 24. The main guide for taking decision to reopen a sealed off area is? Temperature graph Time elapsed Graph of analysis of air samples O2 deficiency 25 / 37 25. A rescue brigade contains .....members? 10 17 16 18 26 / 37 26. The weight of CO2 absorbent in a prototype breathing apparatus is? 1 kg 2 kg 3 kg 4 kg 27 / 37 27. The smoke helmet or hose mask is used within a distance of? 10 m from FAB 25 m from FAB 50 m from FAB 100 m from FAB 28 / 37 28. The chemical used in chemical breathing apparatus is? Calcium hydroxide Sodium phosphate Potassium superoxide Potassium hydroxide 29 / 37 29. In self-contained oxygen breathing apparatus the wearer can take more oxygen than he gets through the circuit by the ? Main valve Reducing valve Relief valve Bypass valve 30 / 37 30. Protomark apparatus contains ....lit of oxygen with ....kg/sq.cm pressure? 100 ; 200 200 ; 400 300 ; 400 300 ; 150 31 / 37 31. The duration of usage for chemical oxygen breathing apparatus is? 1/2 hour 1 hour 2 hour 3 hour 32 / 37 32. The drying agent in self rescuer is? Calcium chloride Charcoal with calcium bromide and lithium chloride Silica gel None 33 / 37 33. Out of 21 % of oxygen in the atmosphere air that is inhaled by a person % of oxygen that is used from between inhalation and exhalation is? 1 - 2 % 2 - 3 % 3 - 5 % 5 - 7 % 34 / 37 34. The reducing valve in protomark SCBA reduces the pressure of O2 supplied to wearer is ? 1 lit/min 1.5 lit/min 2 lit/min 4 lit/min 35 / 37 35. The capacity of the protomark Self contained breathing apparatus is? 1 lit 2 lit 3 lit 4 lit 36 / 37 36. The cooling agent in the cooler is in crystal form at ordinary temperatures liquefies on usage of the apparatus by wearer at? 28 deg C 30 deg C 32 deg C 35 deg C 37 / 37 37. The most important constituent in gas mask is? Charcoal Silica gel Caustic Hopcolite Your score is The average score is 51% LinkedIn Facebook Twitter 0% Admin03/08/20240 28 Less than a minute
