High pressure steam test Study Guide Boiler License Questions & Answers Verified

High pressure steam test Study Guide Boiler License Questions & Answers Verified 800 psi safety valve, at what pressure does it lift? - CORRECT ANSWER-824 3% Gauge reads 175psi 45' below where it is connected to the boiler, what is its true reading? - CORRECT ANSWER-155.5. 45 X 0.433 = 19.50psi 175 - 19.50 = 155.5 How often does a welder who works on pressure tanks need to be requalified? - CORRECT ANSWER-1 year What is the compression or crushing strength of a steel plate? - CORRECT ANSWER95,000 psi BTU's average size plant - CORRECT ANSWER- per one kilowatt hour What section of ASME boiler and pressure code covers the materials for miniature boilers? - CORRECT ANSWER-Section II Fitting of bronze, 95% copper, what should it be hydro tested up to? - CORRECT ANSWER-600 psi Why are fire tube boilers preferred over water tube boilers? - CORRECT ANSWERLower initial cost and size Why are water tube boilers chosen over fire tube boilers? - CORRECT ANSWERGreater steam capacity 1 pound of water increases by a factor of ________ when turned into steam - CORRECT ANSWER-1600 What type of power plant does not use steam? - CORRECT ANSWER-Hydroelectric or solar What is the minimum range for 3 psi gauge with 2 1/4" diameter - CORRECT ANSWER5 psi Benefit of a globe valve? - CORRECT ANSWER-Can be throttled to regulate, won't cut valve, parts easy to repair/replace. Disadvan