Engineers License Study Guide Verified Answers

Engineers License Study Guide Verified Answers secondary ️What winding is connected to the load? Modulating pressure control ️Regulates the steam pressure? when there is no pressure on the boiler ️When can you blow down a water wall? purge ️What must be done to prevent flashback? kinetic energy ️Steam at a high velocity is converted into _ _ _ _ _ _ _ _ _ _engery? 3206 PSIA at 705.4°F ️Supercritical pressure and saturation temperature? 8.33 pounds ️One gallon of water weighs? chocolate ️Cylinder color of R -407C? orange ️Cylinder color of R -404a? rappers ️How are particulates discharged into hoppers? 1963 ️First regulations of the clean air act? 1243 ️How many cubic inches of steam space is in a cylinder of an engine 10 " x 24 " with a stroke 2 / 3 of full travel? on the front of the furnace ️Where is the flame-sensing device located? 140-160 f ️Oil cooler pumps should be maintained at? rupture disc ️What is fail-safe and cannot reclose its self? control speed governor ️What controls the speed of the turbine? hydrogen and carbon ️What two elements produce the most heat in fuel? What removes non-condensable? ️ejectors/vacuum pumps below the water line ️Where would scale form? it is used as a reference point ️What is Cold Junction? a water tube boiler ️Where would you find downcomers? reagents ️Chemical used to perform water treatment? calcium and magnesium ️What minerals cause scale? ventilation ️Process of introducing fresh air into a building? a malfunctioning DA ️A boiler requiring excessive amounts of oxgen scavenging chemicals could indicate? centrifugal switch ️Device that opens at 75% of the motors rated speed? 6.0 ️Bursting psi is 1200, allowable PSI is 200. Safety Factor? morrison ️Corrugated furnace used in vertical tubular or horizontal firebox boiler? balanced valve ️Automatic valve with two valves and two dics? adamson ️Corrugated furnace used primarily in horizontal furnaces? VA ️Transformers are rated in? 1600:1 ️Water expanding to steam has what ratio? Remove flue gas particulates ️Primary purpose of wet scrubbers? fabric filters ️Technique used to control particulates from boilers? superheater safety valve ️What safety valve is set lower in pressure? Backwash, brine, rinse, service. ️Process of water softner? Removes oxygen faster ️Advantage of an open feedwater heater? 5 degrees ️Evaporator approach temperature of a 3 pass chiller? Direct contact and surface condenser ️Two main types of condensers?