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Boilermaker Quiz Verified Solutions
Boilermaker Quiz Verified Solutions 
1 __________ fire guard(s) is(are) required for each torch operator. 
10,000 On the newer installations, the voltage MOST commonly used to produce the ignition spark is 
___________volts. 
100 the percentage of oxygen in a cylinder is _____%. 
1000 when soft soldering, the torch flame is below _____° F. 
15 It is extremely dangerous to use acetylene at pressures above ____psi. 
150 At which pressure would a boiler require the GREATEST safety valve are...