4th TSSA Part B Test (I) Exam | Questions with Correct Answers | 100% Pass
When a combustion air opening is equipped with dampers, the dampers must be - interlocked
with the burner, and fully open before starting the boiler.
R4B05-03-02-02 A substance that absorbs humidity inside a boiler during dry layup is: - Activated
alumina
(4-142-1.3) The high oil temperature shutdown device of an oil-fired heater senses the: - Oil
temperature at the furnace outlet
R4B04-01-02-06 A boiler furnace pre-purge: - must last a specific amount of time.
R4B08-02-01-05 In a building plumbing system, the potable water pressure should not drop below: -
175 kPa
(4-066-1.13) Which of the following is an example of a dissolved solid? - Magnesium sulphate
(4-143-2.11) "Barking", as it occurs in a pulp mill, means: - The removal of bark from the logs
R4B01-02-03-09 A collar thrust bearing: - Has boundary lubrication
4B07-04-01-02 The combustion chamber of a gas turbine: - is where fuel is added to air,
andburned.
R4B01-01-02-08 All semi-solid lubricants: - Are capable of sealing out dirt and water from
bearings
(4-074-2.7) Compression type packing: - May be saturated with a lubricating material
, (4-059-3.4) The set pressure of a safety valve may only be adjusted by: - the safety valve
manufacturer, its authorized representative, or an assembler
(4-127-1.3) Air duct velocity pressure is measured by connecting a: - Manometer to the side of a
duct, with a sensing tube extending inside of the duct directed toward the airflow
R4B05-03-03-01 When the fireside of a boiler is opened up, locations of water leakage may be detected
by: - White dissolved solids left from water evaporation
As the temperature of the air drawn into a gas turbine compressor increases,
the____________________ of the gas turbine _________________. - output power, decreases
(4-066-3.6) The zeolite inside a water softener is used to: - Exchange sodium ions for calcium and
magnesium ions
(4-059-1.18) What does the boiler inspector do to prevent tampering with the settings of a safety valve?
- Installs a seal
(4-117-2.1) The amount of water used in an evaporative condenser is only a small percentage of that
used in a water-cooled condenser of the same capacity, because - The cooling water evaporates,
removing far more heat per kilogram of system coolant.
R4B01-01-03-21 The resistance of a liquid to internal deformation or shear is known as: - Viscosity
Direct measurement of condensate amine can be done using: - a chromatograph or a fluorometer
(4-120-1.5) A liquid trap located in the suction line before a refrigeration compressor, which evaporates
liquid refrigerant and returns it to the compressor as a gas, is called: - An accumulator
(4-125-4.6) The dew point is the: - Temperature below which water vapour will start to condense
out of the air
When a combustion air opening is equipped with dampers, the dampers must be - interlocked
with the burner, and fully open before starting the boiler.
R4B05-03-02-02 A substance that absorbs humidity inside a boiler during dry layup is: - Activated
alumina
(4-142-1.3) The high oil temperature shutdown device of an oil-fired heater senses the: - Oil
temperature at the furnace outlet
R4B04-01-02-06 A boiler furnace pre-purge: - must last a specific amount of time.
R4B08-02-01-05 In a building plumbing system, the potable water pressure should not drop below: -
175 kPa
(4-066-1.13) Which of the following is an example of a dissolved solid? - Magnesium sulphate
(4-143-2.11) "Barking", as it occurs in a pulp mill, means: - The removal of bark from the logs
R4B01-02-03-09 A collar thrust bearing: - Has boundary lubrication
4B07-04-01-02 The combustion chamber of a gas turbine: - is where fuel is added to air,
andburned.
R4B01-01-02-08 All semi-solid lubricants: - Are capable of sealing out dirt and water from
bearings
(4-074-2.7) Compression type packing: - May be saturated with a lubricating material
, (4-059-3.4) The set pressure of a safety valve may only be adjusted by: - the safety valve
manufacturer, its authorized representative, or an assembler
(4-127-1.3) Air duct velocity pressure is measured by connecting a: - Manometer to the side of a
duct, with a sensing tube extending inside of the duct directed toward the airflow
R4B05-03-03-01 When the fireside of a boiler is opened up, locations of water leakage may be detected
by: - White dissolved solids left from water evaporation
As the temperature of the air drawn into a gas turbine compressor increases,
the____________________ of the gas turbine _________________. - output power, decreases
(4-066-3.6) The zeolite inside a water softener is used to: - Exchange sodium ions for calcium and
magnesium ions
(4-059-1.18) What does the boiler inspector do to prevent tampering with the settings of a safety valve?
- Installs a seal
(4-117-2.1) The amount of water used in an evaporative condenser is only a small percentage of that
used in a water-cooled condenser of the same capacity, because - The cooling water evaporates,
removing far more heat per kilogram of system coolant.
R4B01-01-03-21 The resistance of a liquid to internal deformation or shear is known as: - Viscosity
Direct measurement of condensate amine can be done using: - a chromatograph or a fluorometer
(4-120-1.5) A liquid trap located in the suction line before a refrigeration compressor, which evaporates
liquid refrigerant and returns it to the compressor as a gas, is called: - An accumulator
(4-125-4.6) The dew point is the: - Temperature below which water vapour will start to condense
out of the air
