3B2 - Ultimate ABSA Study Guide And
Test Banks Chapter1-15 || Complete
Questions And 100% Correct Answers
\._____ and carbon rings can be used in reciprocating air
compressors to deliver oil free air.
a. Brass.
b. Aluminum.
c. Titanium.
d. Ceramic.
e. Teflon. - Answer-e. Teflon.
\._____ are essential parts of the burner safety management system.
a. Low Water Fuel Cutoffs.
b. Flame Scanners.
c. Flame Igniters.
d. Gas Burner Nozzles.
e. Fuel Pressure Gages. - Answer-B
\._____ can be started by use of a compressed air starting motor or applied high pressure air
directly to starting cylinders.
a. Gas turbine engines
b. Steam turbine engines
c. Large diesel engines
,d. Gasoline engines
e. Centrifugal pumps - Answer-C
\._____ compression is preferable because of the lesser amount of power required to carry out
the compression.
a. Adiabatic.
b. Positive displacement.
c. Dynamic.
d. Unloaded.
e. Isothermal. - Answer-E
\._____ compressors are more efficient than other positive displacement types.
a. Rotary screw.
b. Sliding vane.
c. Rotary lobe.
d. Axial flow.
e. Reciprocating. - Answer-E
\._____ is the percentage change in speed from no load to full load conditions.
a. Speed governor.
b. Governor speed droop.
c. Governor speed increase.
d. Throttle governing.
e. Integral band. - Answer-B
,\._____ is well known for its contribution to the greenhouse effect.
a. C4H8
b. CO
c. CO3
d. CO2
e. CH3 - Answer-D
\._____ is/are mixed with the effluent of the wastewater heater to help breakdown the organic
materials in the flow.
a. Activated sludge.
b. Activated chemicals.
c. Oils.
d. Polishing chemicals.
e. Steam. - Answer-A
\._____ of an air compressor means to lubricate crankshaft bearings,
connecting rod bearings, and crosshead on reciprocating
compressors and shaft bearings on rotary and dynamic
compressors.
a. External lubrication.
b. Internal lubrication.
c. Peripheral lubrication.
d. Splash lubrication.
e. Pressure lubrication. - Answer-d. Splash lubrication.
, \._____ on centrifugal air compressors are provided in order to
control the amount of air flowing to the impeller and thus control the
capacity of the unit.
a. Adjustable inlet vanes.
b. Adjustable diffuser vanes.
c. Variable frequency drive.
d. Moving and fixed blades.
e. Dummy piston. - Answer-a. Adjustable inlet vanes
\._____ on centrifugal air compressors are provided in order to control the amount of air
flowing to the impeller and thus control the capacity of the unit.
a. Adjustable inlet vanes
b. Adjustable diffuser vanes
c. Variable frequency drive
d. Moving and fixed blades
e. Dummy piston. - Answer-A
\._____ particles are so small that they will not settle at the bottom
or float to the top.
a. Angström.
b. Colloidal.
c. Activated sludge.
d. Barminutor.
e. Grit. - Answer-B
Test Banks Chapter1-15 || Complete
Questions And 100% Correct Answers
\._____ and carbon rings can be used in reciprocating air
compressors to deliver oil free air.
a. Brass.
b. Aluminum.
c. Titanium.
d. Ceramic.
e. Teflon. - Answer-e. Teflon.
\._____ are essential parts of the burner safety management system.
a. Low Water Fuel Cutoffs.
b. Flame Scanners.
c. Flame Igniters.
d. Gas Burner Nozzles.
e. Fuel Pressure Gages. - Answer-B
\._____ can be started by use of a compressed air starting motor or applied high pressure air
directly to starting cylinders.
a. Gas turbine engines
b. Steam turbine engines
c. Large diesel engines
,d. Gasoline engines
e. Centrifugal pumps - Answer-C
\._____ compression is preferable because of the lesser amount of power required to carry out
the compression.
a. Adiabatic.
b. Positive displacement.
c. Dynamic.
d. Unloaded.
e. Isothermal. - Answer-E
\._____ compressors are more efficient than other positive displacement types.
a. Rotary screw.
b. Sliding vane.
c. Rotary lobe.
d. Axial flow.
e. Reciprocating. - Answer-E
\._____ is the percentage change in speed from no load to full load conditions.
a. Speed governor.
b. Governor speed droop.
c. Governor speed increase.
d. Throttle governing.
e. Integral band. - Answer-B
,\._____ is well known for its contribution to the greenhouse effect.
a. C4H8
b. CO
c. CO3
d. CO2
e. CH3 - Answer-D
\._____ is/are mixed with the effluent of the wastewater heater to help breakdown the organic
materials in the flow.
a. Activated sludge.
b. Activated chemicals.
c. Oils.
d. Polishing chemicals.
e. Steam. - Answer-A
\._____ of an air compressor means to lubricate crankshaft bearings,
connecting rod bearings, and crosshead on reciprocating
compressors and shaft bearings on rotary and dynamic
compressors.
a. External lubrication.
b. Internal lubrication.
c. Peripheral lubrication.
d. Splash lubrication.
e. Pressure lubrication. - Answer-d. Splash lubrication.
, \._____ on centrifugal air compressors are provided in order to
control the amount of air flowing to the impeller and thus control the
capacity of the unit.
a. Adjustable inlet vanes.
b. Adjustable diffuser vanes.
c. Variable frequency drive.
d. Moving and fixed blades.
e. Dummy piston. - Answer-a. Adjustable inlet vanes
\._____ on centrifugal air compressors are provided in order to control the amount of air
flowing to the impeller and thus control the capacity of the unit.
a. Adjustable inlet vanes
b. Adjustable diffuser vanes
c. Variable frequency drive
d. Moving and fixed blades
e. Dummy piston. - Answer-A
\._____ particles are so small that they will not settle at the bottom
or float to the top.
a. Angström.
b. Colloidal.
c. Activated sludge.
d. Barminutor.
e. Grit. - Answer-B
