First Class Fireman Exam Questions Correctly Answered 2024.

First Class Fireman Exam Questions Correctly Answered 2024. What can you do with your first class fireman's license ? - correct answer Have charge of and or operate any boilers or boiler where the safety valve or valves are set to blow at a pressure not exceeding 25 pounds per square inch or to operate high pressure boilers under then engineer or fireman in direct charge there of. How much does a gallon of water weigh ? - correct answer 8.33 lbs Can a 1st class fireman operate a steam driven feed pump with a 3 inch supply line ? - correct answer Yes , up to 3.5 inch is a third class plant so under the law he can operate it but not have charge of it Why does A.S.M.E. stand for ? - correct answer American Society of Mechanical Engineers How many gallons in a cubic foot of water ? - correct answer 7.48 What is the total BTU's needed for one pound of steam at 212 degrees at atmospheric pressure? - correct answer 1150 BTUs How many BTU's is required to change 1 pound of water to 1 pound of steam at atmospheric pressure - correct answer 970.3 How many Btu's are required to raise water from 32 degrees to 212 degrees - correct answer 180 BTU's What is absolute pressure? - correct answer It is atmospheric pressure which is 14.7 pounds What is a firetube boiler ? - correct answer Has fire and hot gasses in the tubes and water on the outside What is a watertube boiler ? - correct answer Has water in the tubes and hot glue gasses on the outside