steam boilers (chapter 1) exam CORRECT 100%
_______is the amount of energy equal to the evaporation of 34.5 lb of water/hour from and at feed
water temperature of 212°F - ANSWER boiler hp
when a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temperature
of the water and steam will be approximately______°F - ANSWER 338°F
a low pressure steam boiler has an MAWP of ______. psi - ANSWER 15 psi
the higher the steam pressure, the higher the_______of the water in the boiler - ANSWER boiling point
a horizontal return tubular (HRT) boiler is a_______boiler - ANSWER firetube
As steam pressure in a boiler increases, there is a corresponding increase in the______ - ANSWER
temperature
a sudden drop in pressure from 100 PSIG to 0 PSIG without a corresponding drop in temperature could
result in a(n) - ANSWER explosion
water will boil and turn to steam when it reaches_______°F at atmospheric pressure at sea level -
ANSWER 212
________ efficiency is the ratio of heat absorbed by the boiler (output) to the heat available in the fuel
(input) - ANSWER thermal
water tube boilers were designed to operate at pressures as high as_________psi, a point known as the
critical pressure of steam - ANSWER 3206 psi
_______is the amount of energy equal to the evaporation of 34.5 lb of water/hour from and at feed
water temperature of 212°F - ANSWER boiler hp
when a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temperature
of the water and steam will be approximately______°F - ANSWER 338°F
a low pressure steam boiler has an MAWP of ______. psi - ANSWER 15 psi
the higher the steam pressure, the higher the_______of the water in the boiler - ANSWER boiling point
a horizontal return tubular (HRT) boiler is a_______boiler - ANSWER firetube
As steam pressure in a boiler increases, there is a corresponding increase in the______ - ANSWER
temperature
a sudden drop in pressure from 100 PSIG to 0 PSIG without a corresponding drop in temperature could
result in a(n) - ANSWER explosion
water will boil and turn to steam when it reaches_______°F at atmospheric pressure at sea level -
ANSWER 212
________ efficiency is the ratio of heat absorbed by the boiler (output) to the heat available in the fuel
(input) - ANSWER thermal
water tube boilers were designed to operate at pressures as high as_________psi, a point known as the
critical pressure of steam - ANSWER 3206 psi
