4th TSSA Part A (IV) Exam Questions with Correct Answers and
Answers with Verified Solutions | Latest 2026 Update
Q: In the oxygen cycle, where does carbon dioxide get released into the
atmosphere?
Answer:
animals (4-090-2.1) Heating boilers attain maximum efficiency only when they are
operated: Continuously at full load An SOP is used to Make sure each operator runs
equipment in a consistently safe and efficient manner What is impact strength also
known as? toughness (4-016-3.3) A 1.5m long round bar is 45mm diameter and
stretches 1.2mm under a load of 240kN. Calculate the strain in the bar. 0.0008 One
of the national legislative items which each jurisdiction in Canada has adopted as
part of their applicable Act and/or Regulations is the: CSA B52 (4-063-1.1) The
blowoff connection on a boiler is located at the: Bottom, or base, of the shell in the
firetube boiler (4-010-1.2) For a pivot or lever, the product of force multiplied by a
perpendicular distance from the point of rotation, is defined as: Turning moment
(4-050-2.2) The purpose of the non-return valve on a boiler is
to_____________________. Prevent the back flow of steam into the boiler
(4-025-4.4) When applying to write a Power Engineer certificate of competency
examination, the candidate must: Hold the next lower class of qualification
, Q: One of the key essential components for a Maintenance Management System
(MMS) is: A system to issue work orders (4-054-1.13) Electric boilers: Do not
need a chimney (4-53-3.4) The purpose of a superheater is to: Increase the
temperature of the steam Which is not a use for steam?
Answer:
Computer chip manufacturing One of the main advantages of written communication
is: It reduces the possibility of misinterpretation The two main sources of carbon in
the atmosphere are carbon dioxide and: methane (4-050-3.2) In order to ensure safe
and continuous operation of a pressure reducing valve, the valve station should have
_________________. A bypass line, plus a safety valve and pressure gauge on the
low-pressure side (4-117-2.2) Which of the following statements about double tube
refrigeration condensers is true? Water flows in the inner tube in the opposite
direction of the flow of refrigerant (4-055-4.3) Expanding of tubes into a tube sheet
is also called: Rolling (4-009-1.6) The unit used to indicate acceleration in the SI
system is: m/s2 (4-058-2.9) Limestone, when added to a fluidized bed boiler: Acts as
a de-sulphuring agent
Answers with Verified Solutions | Latest 2026 Update
Q: In the oxygen cycle, where does carbon dioxide get released into the
atmosphere?
Answer:
animals (4-090-2.1) Heating boilers attain maximum efficiency only when they are
operated: Continuously at full load An SOP is used to Make sure each operator runs
equipment in a consistently safe and efficient manner What is impact strength also
known as? toughness (4-016-3.3) A 1.5m long round bar is 45mm diameter and
stretches 1.2mm under a load of 240kN. Calculate the strain in the bar. 0.0008 One
of the national legislative items which each jurisdiction in Canada has adopted as
part of their applicable Act and/or Regulations is the: CSA B52 (4-063-1.1) The
blowoff connection on a boiler is located at the: Bottom, or base, of the shell in the
firetube boiler (4-010-1.2) For a pivot or lever, the product of force multiplied by a
perpendicular distance from the point of rotation, is defined as: Turning moment
(4-050-2.2) The purpose of the non-return valve on a boiler is
to_____________________. Prevent the back flow of steam into the boiler
(4-025-4.4) When applying to write a Power Engineer certificate of competency
examination, the candidate must: Hold the next lower class of qualification
, Q: One of the key essential components for a Maintenance Management System
(MMS) is: A system to issue work orders (4-054-1.13) Electric boilers: Do not
need a chimney (4-53-3.4) The purpose of a superheater is to: Increase the
temperature of the steam Which is not a use for steam?
Answer:
Computer chip manufacturing One of the main advantages of written communication
is: It reduces the possibility of misinterpretation The two main sources of carbon in
the atmosphere are carbon dioxide and: methane (4-050-3.2) In order to ensure safe
and continuous operation of a pressure reducing valve, the valve station should have
_________________. A bypass line, plus a safety valve and pressure gauge on the
low-pressure side (4-117-2.2) Which of the following statements about double tube
refrigeration condensers is true? Water flows in the inner tube in the opposite
direction of the flow of refrigerant (4-055-4.3) Expanding of tubes into a tube sheet
is also called: Rolling (4-009-1.6) The unit used to indicate acceleration in the SI
system is: m/s2 (4-058-2.9) Limestone, when added to a fluidized bed boiler: Acts as
a de-sulphuring agent