5TH CLASS POWER ENGINEERING EXAM QUESTIONS
AND ANSWERS - 100% VERIFIED - LATEST 2026/2027
GUARANTEED PASS
1. The Boilers and Pressure Vessels Act was put into place to protect:
ANSWER : e) the public
2. Which of the following codes have the Canadian jurisdictions adopted in
reference to pressure vessel regulation? ANSWER : c) CSA B51
3. If a piping system design is approved, a piping number is stamped on the
design, such as PP-455-E-03-P. The last P in this number would indicate:
ANSWER : b) the type of plant
4. The chief boiler inspectors have established _________, in which most
provinces participate: ANSWER : e) a system of standardised exams
5. CSA B51 Code was produced to cover: ANSWER : e) boilers and
pressure piping
6. CSA B51 Appendix E covers which of the following sections? ANSWER
: b) Sample forms
7. CSA B52 Code was produced to cover: ANSWER : a) refrigeration plants
8. Which of the following ASME Codes is used by an operator to care for
and operate a low pressure boiler correctly? ANSWER : b) Section IV
9. The ASME code which states the recommended procedures for a heating
boiler inspection is section: ANSWER : VI
10. In which of the following can you find the rules for performing a
hydrostatic test? ANSWER : ASME Section VII Rules for the Care of Power
Boilers
11. A hydrostatic test is at: ANSWER : 1.5 times the maximum allowable
working pressure
,12. All fitting markings shall be legible and must indicate the following:
ANSWER : Manufacturer's name or trademark, Service designation, Material
designation
13. The minimum temperature of the water used in a hydrostatic test
should be: ANSWER : 16°C (to prevent condensation on the vessel)
14. What is the main cause of boiler failure? ANSWER : Overheating
heating surfaces due to low water level
15. Some of the reasons why heating boiler accidents occur are: ANSWER
: All of these
16. On a hot water boiler, the pressure differential between the operating
pressure and the safety relief valve set pressure must be (at a minimum):
ANSWER : 69 kPa or 25% of the safety relief valve set pressure
17. In hot water boiler operation the maximum operating temperature
should never exceed: ANSWER : 121°C
18. Hot water heating boilers shall have: ANSWER : Thermometer
19. Hot water boiler pressure relief valve should be: ANSWER : Installed
on the boiler or close to the boiler outlet
20. The pressure relief valve is typically installed on the boiler or
reasonably close to the boiler outlet. What can be installed between the
relief device and the heater? ANSWER : No valves
21. The discharge piping from the relief valve should be piped to a safe
point for disposal and shall be: ANSWER : NOT connected to a drain
22. The automatic fill valve is a device which keeps the system filled with
water and maintains a set pressure in the system. This is also called a:
ANSWER : Pressure reducing valve
23. A ruptured diaphragm or full expansion tank will cause: ANSWER :
Pressure build-up opens the safety relief valve
24. During filling of an empty boiler, a valve that should be open to allow
the air to escape is the: ANSWER : Boiler vent valve
25. Which of the following is done to prevent excessive stresses of boiler
metal due to uneven expansion? ANSWER : Warm the boiler up as slowly as
possible
, 26. A gradual increase in stack temperature is an indication of: ANSWER
: Unclean heating surfaces
27. When removing a steam boiler from service, the vent valve should be
opened when the pressure is a little above atmospheric pressure in order
to: ANSWER : Prevent a vacuum from forming in the boiler
28. In regards to good operator practice and operator traits the letter "S"
in the acronym SIAP stands for: ANSWER : Sense
29. In regards to good operator practice and operator traits the letter "I"
in the acronym SIAP stands for: ANSWER : Interpret
30. In regards to good operator practice and operator traits the letter "A"
in the acronym SIAP stands for: ANSWER : Analyze
31. In regards to good operator practice and operator traits the letter "P"
in the acronym SIAP stands for: ANSWER : Predict
32. When using a ladder, it should be placed at a safe working angle by
having its base ______ of its length from the vertical surface. ANSWER :
c) one-quarter
33. If an elevator with passengers is stuck between floors, the operator
should: ANSWER : d) Call the service repair company
34. If a person stops breathing, the brain may be permanently damaged if
it is deprived of oxygen for more than: ANSWER : c) 4 - 6 minutes
35. The health and safety regulations are designed to ensure the health and
safety of: ANSWER : e) everyone
36. The health and safety regulations outline the rights and responsibilities
of: ANSWER : e) the employee and the employer
37. The final component of the WHMIS system is: ANSWER : d) Employee
training
38. A Class 'A' product would be: ANSWER : c) A product that is normally
a gas below 50 degrees C
39. Infectious material is a controlled product of Class: ANSWER : e) D
40. The first indicator of a product's hazard is the: ANSWER : d) Supplier
label
41. A workplace label: ANSWER : c) Is almost always required when
decanting occurs
AND ANSWERS - 100% VERIFIED - LATEST 2026/2027
GUARANTEED PASS
1. The Boilers and Pressure Vessels Act was put into place to protect:
ANSWER : e) the public
2. Which of the following codes have the Canadian jurisdictions adopted in
reference to pressure vessel regulation? ANSWER : c) CSA B51
3. If a piping system design is approved, a piping number is stamped on the
design, such as PP-455-E-03-P. The last P in this number would indicate:
ANSWER : b) the type of plant
4. The chief boiler inspectors have established _________, in which most
provinces participate: ANSWER : e) a system of standardised exams
5. CSA B51 Code was produced to cover: ANSWER : e) boilers and
pressure piping
6. CSA B51 Appendix E covers which of the following sections? ANSWER
: b) Sample forms
7. CSA B52 Code was produced to cover: ANSWER : a) refrigeration plants
8. Which of the following ASME Codes is used by an operator to care for
and operate a low pressure boiler correctly? ANSWER : b) Section IV
9. The ASME code which states the recommended procedures for a heating
boiler inspection is section: ANSWER : VI
10. In which of the following can you find the rules for performing a
hydrostatic test? ANSWER : ASME Section VII Rules for the Care of Power
Boilers
11. A hydrostatic test is at: ANSWER : 1.5 times the maximum allowable
working pressure
,12. All fitting markings shall be legible and must indicate the following:
ANSWER : Manufacturer's name or trademark, Service designation, Material
designation
13. The minimum temperature of the water used in a hydrostatic test
should be: ANSWER : 16°C (to prevent condensation on the vessel)
14. What is the main cause of boiler failure? ANSWER : Overheating
heating surfaces due to low water level
15. Some of the reasons why heating boiler accidents occur are: ANSWER
: All of these
16. On a hot water boiler, the pressure differential between the operating
pressure and the safety relief valve set pressure must be (at a minimum):
ANSWER : 69 kPa or 25% of the safety relief valve set pressure
17. In hot water boiler operation the maximum operating temperature
should never exceed: ANSWER : 121°C
18. Hot water heating boilers shall have: ANSWER : Thermometer
19. Hot water boiler pressure relief valve should be: ANSWER : Installed
on the boiler or close to the boiler outlet
20. The pressure relief valve is typically installed on the boiler or
reasonably close to the boiler outlet. What can be installed between the
relief device and the heater? ANSWER : No valves
21. The discharge piping from the relief valve should be piped to a safe
point for disposal and shall be: ANSWER : NOT connected to a drain
22. The automatic fill valve is a device which keeps the system filled with
water and maintains a set pressure in the system. This is also called a:
ANSWER : Pressure reducing valve
23. A ruptured diaphragm or full expansion tank will cause: ANSWER :
Pressure build-up opens the safety relief valve
24. During filling of an empty boiler, a valve that should be open to allow
the air to escape is the: ANSWER : Boiler vent valve
25. Which of the following is done to prevent excessive stresses of boiler
metal due to uneven expansion? ANSWER : Warm the boiler up as slowly as
possible
, 26. A gradual increase in stack temperature is an indication of: ANSWER
: Unclean heating surfaces
27. When removing a steam boiler from service, the vent valve should be
opened when the pressure is a little above atmospheric pressure in order
to: ANSWER : Prevent a vacuum from forming in the boiler
28. In regards to good operator practice and operator traits the letter "S"
in the acronym SIAP stands for: ANSWER : Sense
29. In regards to good operator practice and operator traits the letter "I"
in the acronym SIAP stands for: ANSWER : Interpret
30. In regards to good operator practice and operator traits the letter "A"
in the acronym SIAP stands for: ANSWER : Analyze
31. In regards to good operator practice and operator traits the letter "P"
in the acronym SIAP stands for: ANSWER : Predict
32. When using a ladder, it should be placed at a safe working angle by
having its base ______ of its length from the vertical surface. ANSWER :
c) one-quarter
33. If an elevator with passengers is stuck between floors, the operator
should: ANSWER : d) Call the service repair company
34. If a person stops breathing, the brain may be permanently damaged if
it is deprived of oxygen for more than: ANSWER : c) 4 - 6 minutes
35. The health and safety regulations are designed to ensure the health and
safety of: ANSWER : e) everyone
36. The health and safety regulations outline the rights and responsibilities
of: ANSWER : e) the employee and the employer
37. The final component of the WHMIS system is: ANSWER : d) Employee
training
38. A Class 'A' product would be: ANSWER : c) A product that is normally
a gas below 50 degrees C
39. Infectious material is a controlled product of Class: ANSWER : e) D
40. The first indicator of a product's hazard is the: ANSWER : d) Supplier
label
41. A workplace label: ANSWER : c) Is almost always required when
decanting occurs
