Power Engineering 4th Class - B12-
Questions And Correct Solutions |
2026
c - Ans--Chemical pulping processes result in _____ of the raw forest
material input.
a. the most efficient use
b. an insignificantloss
c. a 50% loss by weight
d. a 25% loss by weight
c - Ans--The purpose of stabilization in natural gas treatment plants is to:
a. Flash off the gases at high pressure from the liquids
b. Prevent lighter hydrocarbons from separating from the heavier
hydrocarbons
c. Flash off lighter gases at low pressure, from the liquid hydrocarbons
d. Stabilize the gas from the contactor
d - Ans--The high oil temperature shutdown device of an oil-fired heater
senses the:
a. Fuel gas temperature
b. Ambient air temperature
c. Combustion gases stack temperature
d. Oil temperature at the furnace outlet
b - Ans--"Barking", as it occurs in a pulp mill, means:
a. Cutting the logs into short lengths
b. The removal of bark from the logs
c. To wash the incoming logs
d. To chip the logs
, b - Ans--The two most common in-situ methods of oil recovery from
bituminous sands are
a. overburden removal (OR) andcyclic steam stimulation (CSS)
b. steamassisted gravity drainage (SAGD) andcyclic steam stimulation
(CSS)
c. mining and steamassisted gravity drainage (SAGD)
d. mining and steam assisted cyclic stimulation (SACS)
c - Ans--The purpose of an inlet separator in a natural gas plant is to remove
the:
a. Entrained solids from the liquids
b. Hydrogen sulfide from the gas
c. Liquids from the gas
d. Undissolved gases from the hydrocarbons
b - Ans--The convection tubes of a horizontal direct-fired hot oil heater are
found
a. embedded in the refractory lining
b. in the flue gas flow, downstream of the furnace
c. in the firebox
d. in thewindbox
b - Ans--In hot oil heaters, hot gases moving through the furnace transfer
the heat to:
a. The tubes in the conduction section
b. The tubes in the radiant section
c. The economizer tubes
d. The superheater
b - Ans--Degradation of heat transfer fluid of a hot oil system will begin to
occur if:
a. The oil filter is not serviced regularly
Questions And Correct Solutions |
2026
c - Ans--Chemical pulping processes result in _____ of the raw forest
material input.
a. the most efficient use
b. an insignificantloss
c. a 50% loss by weight
d. a 25% loss by weight
c - Ans--The purpose of stabilization in natural gas treatment plants is to:
a. Flash off the gases at high pressure from the liquids
b. Prevent lighter hydrocarbons from separating from the heavier
hydrocarbons
c. Flash off lighter gases at low pressure, from the liquid hydrocarbons
d. Stabilize the gas from the contactor
d - Ans--The high oil temperature shutdown device of an oil-fired heater
senses the:
a. Fuel gas temperature
b. Ambient air temperature
c. Combustion gases stack temperature
d. Oil temperature at the furnace outlet
b - Ans--"Barking", as it occurs in a pulp mill, means:
a. Cutting the logs into short lengths
b. The removal of bark from the logs
c. To wash the incoming logs
d. To chip the logs
, b - Ans--The two most common in-situ methods of oil recovery from
bituminous sands are
a. overburden removal (OR) andcyclic steam stimulation (CSS)
b. steamassisted gravity drainage (SAGD) andcyclic steam stimulation
(CSS)
c. mining and steamassisted gravity drainage (SAGD)
d. mining and steam assisted cyclic stimulation (SACS)
c - Ans--The purpose of an inlet separator in a natural gas plant is to remove
the:
a. Entrained solids from the liquids
b. Hydrogen sulfide from the gas
c. Liquids from the gas
d. Undissolved gases from the hydrocarbons
b - Ans--The convection tubes of a horizontal direct-fired hot oil heater are
found
a. embedded in the refractory lining
b. in the flue gas flow, downstream of the furnace
c. in the firebox
d. in thewindbox
b - Ans--In hot oil heaters, hot gases moving through the furnace transfer
the heat to:
a. The tubes in the conduction section
b. The tubes in the radiant section
c. The economizer tubes
d. The superheater
b - Ans--Degradation of heat transfer fluid of a hot oil system will begin to
occur if:
a. The oil filter is not serviced regularly
