Driver/Pumper Operator question n answers graded A+ 2023/2024
Driver/Pumper OperatorCoefficient for 1 3/4" with 1 1/2" couplings - correct answer 15.5 Coefficient for 2" - correct answer 8 Coefficient for 2 1/2" - correct answer 2 Coefficient for 3" with 2 1/2" couplings - correct answer .8 Coefficient for 3" with 3" couplings - correct answer .677 Coefficient for 4" - correct answer .2 Coefficient for 5" - correct answer .08 FL - correct answer Friction Loss in PSI C - correct answer Friction Loss coefficient Q - correct answer Flow rate in hundreds of GPM (flow/100) L - correct answer Hose length in hundreds of feet (Length/100) Formula for Friction Loss - correct answer FL=C(Q)2L Volume = Q=GPM's What is the equation? - correct answer Q= 29.7 x (D)2 x √NP Nozzle reaction for a smooth bore - correct answer NR= 1.57 x (D)2 x √NP Nozzle Reaction for a Fog - correct answer NR= .0505 x Q x √NP Handline Tip 3/4 flows how many gpm's - correct answer 100 gpm's flows through what size handline tip Handline tip 7/8 flow how many gpm's - correct answer 150 gpm's flows through what size handline tip Handline tip 1" flows how many gpm's - correct answer 200 gpm's flows through what size handline tip Handline tip 1 1/8" flows how many gpm's - correct answer 250 gpm's flows through what size handline tip Handline tip 1 1/4" flow how many gpm's - correct answer 300 gpm's flows through what size handline tip Master Stream tip 1 1/4" flow's how many gpm's - correct answer 400 gpm's flows through what size master stream tip Master Stream tip 1 3/8" flows how many gpm's - correct answer 500 gpm's flows through what size master stream tip Master Stream tip 1 1/2" flows how many gpm's - correct answer 600 gpm's flows through what size master stream tip Master Stream tip 1 5/8" flows how many gpm's - correct answer 700 gpm's flows through what size master stream tip
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- IFTSA
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- December 31, 2023
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- 2023/2024
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