High Pressure Boiler Practice Test Questions with Complete Solutions

High Pressure Boiler Practice Test Questions with Complete Solutions The boiler vent location is: - Answer-Highest part of steam side of boiler What 2 elements in fuel oil produce most of its heat? - Answer-Carbon and Hydrogen A 100 psi boiler has dry saturated steam temperature of 638 degrees F. What is the water temperature? - Answer-638 degrees F A 2 inch boiler tube has a wall thickness of 3/16 inch. What is its inside diameter? - Answer-1 5/8 Failure of what device causes a furnace explosion? - Answer-Fan failure or purge failure What would one standard atmosphere at 14.7 psi be in feet of water? - Answer-34 feet How do you clean fire tube boilers? - Answer-Wire brushes Water hammer can cause: - Answer-Steam pipe failure Where do you find water in a surface condenser? - Answer-In the tubes What is the fee for a three year renewal? - Answer-$80.00 How is a surface condenser set up? - Answer-Water flows through tubes that are surrounded by steam How long can your license be expired before it is null and void? - Answer-3 years Where do you find a cyclone separator? - Answer-Steam drum What chemicals will prevent oxidation of drum and tubes? - Answer-sodium sulfite and hydrazine How many Btu's are required to change 1 pound of water into steam? - Answer-970.3 Btu's