MD Stationary Engineer Practice Questions and Answers Latest Updated 2024/2025 (100% Correct)

MD Stationary Engineer Practice Questions and Answers Latest Updated 2024/2025 (100% Correct) Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ - Answer Formation of soot and smoke In the event of a flame failure, the programmer will______ - Answer Secure the fuel, purge the firebox, and then shut down Boil the water must be conditioned to prevent ______ (3 Answers) - Answer Formation of scale, oxygen pitting, carryover Rank refers to the __________ of the coal - Answer Degree of Hardness Gauge pressure plus atmospheric pressure equals what? - Answer Absolute pressure Air needed for combustion of fuel is made up of approximately _________% oxygen and ________ nitrogen - Answer 20, 80 What is the pressure applied on the boiler during a hydrostatic test? - Answer 1.5 times the Maximum Allowed Working Pressure Natural water may contain.... - Answer Solids, gases, and other pollutants from industrial waste Recorders are used to.... - Answer Give an overall view of the Steam planet operation Adirect cause oh overheating of the boiler tubes is..... - Answer Scale formation on the tubes The primary function of a combustion control is to ensure.... - Answer Boiler efficiency Flow meters measure the rate of flow of.... - Answer A variety of fluids What is the cooling tower supply water temperature generally? - Answer 80 degrees What is the cooling tower return water temperature generally? - Answer 90 degrees MD Stationary Engineer Practice Questions and Answers Latest Updated 2024/2025 | 100% Correct | Graded A+ Most thermometers used in a steam plant are calibrated in what? - Answer Degrees/ Fahrenheit Thermocouples measure... - Answer Temperature Carbon Dioxide in the flue has is a sign of what kind of combustion? - Answer Complete Bituminous coal has a high ______ content - Answer Volatile The types of variable area flow meters are.... (2 Answers) - Answer Rotometer and Valve The Rotometer flow meter consists of a ___________ - Answer Ball in a tapered tube Stay bolts Reinforce flat boiler surface. What do you do if one becomes broken? - Answer Replace the Stay Bolt The madulating pressure control is sensitive to what? - Answer Temperature The boiler steam-pressure gauge is protected from high temperatures by - Answer siphon Compressor does what? - Answer Changes low pressure gas to a high pressure liquid What should never be blown down during furnace operation? - Answer Water walls Light and a photoelectric cell are sometimes used to indicate - Answer smoke density The cold lime-soda process softens the boiler water at? - Answer Ambient Temperature Pressure gauges are calibrated in pounds per? - Answer square inch Deposits of calcium and magnesium carbonates on the boiler heating surface cause___ - Answer scale Boiler tubes are sized using the - Answer outside diameter A boiler horsepower is defined as - Answer The Evaporation of 34.5 pounds of water per hour and at feed water temp of 212 degrees Spalling in a boiler refers to - Answer Hairline cracks in the refractory What valves should be used for throttling services? - Answer Globe Valve Oxygen in the boiler will cause - Answer pitting of boiler metal