ONTARIO REFRIGERATION OPERATOR CLASS B /APPROVED ONTARIO
REFRIGERATION OPERATOR CALL B (TSSA) ACTUAL 2026/2027 TEST BANK
PRACTICE QUESTIONS AND STUDY GUIDE COMPLETE ACCURATE EXAM
REAL QUESTIONS WITH WELL ELABORATED ANSWERS WITH RATIONALES
(100% CORRECT VERIFIED SOLUTIONS) LATEST UPDATED VERSION 2026
EDITION |GUARANTEED SUCCESS A+ |FULL REVISED ONTARIO
REFRIGERATION OPERATOR CALL B (TSSA) REAL EXAM |INSTANT
DOWNLOAD PDF
1. What is the minimum required operating experience in a Class A
or B refrigeration plant to challenge the TSSA Refrigeration
Operator Class B exam?
A) 720 hours
B) 1,440 hours
C) 2,160 hours
D) 3,000 hours
CORRECT ANSWER: B
Rationale: TSSA guidelines require 1,440 hours of practical training
in a Class A or B refrigeration plant to qualify for the Class B
certification exam. This experience ensures candidates have
sufficient hands-on exposure to plant operations before challenging
the examination.
,2. Which code governs the mechanical safety requirements for the
design, construction, installation, and inspection of refrigeration
systems in Ontario?
A) CSA B51
B) CSA B52
C) ASHRAE 15
D) CSA B149
CORRECT ANSWER: B
Rationale: CSA B52: Mechanical Refrigeration Code sets the
standards for safety in refrigeration systems. CSA B51 covers boilers
and pressure vessels, while ASHRAE 15 provides safety standards
but is not the governing code in Ontario.
3. Under the Technical Standards and Safety Act, 2000, who has the
authority to enforce compliance with refrigeration regulations in
Ontario?
A) Ministry of Labour
B) TSSA
C) CSA Group
D) ASHRAE
CORRECT ANSWER: B
,Rationale: The Technical Standards and Safety Authority (TSSA) is
the regulatory body responsible for enforcing the Technical
Standards & Safety Act, 2000 and its associated regulations in
Ontario.
4. Which Ontario Regulation specifically addresses the requirements
for operating engineers in refrigeration plants?
A) Ontario Regulation 213/07
B) Ontario Regulation 219/01
C) Ontario Regulation 187/03
D) Ontario Regulation 847/00
CORRECT ANSWER: B
Rationale: The Operating Engineers Regulation (Ontario Regulation
219/01) governs refrigeration operator certification under the TSSA.
5. What is the minimum passing mark for the TSSA Refrigeration
Operator Class B examination?
A) 55%
B) 60%
C) 65%
D) 70%
CORRECT ANSWER: C
, Rationale: The minimum passing mark for the examination
comprising multiple-choice questions is 65%.
6. CSA B52 requires that all refrigeration systems operating above
atmospheric pressure shall be equipped with which type of device?
A) Pressure relief device
B) Temperature sensor
C) Flow meter
D) Sight glass
CORRECT ANSWER: A
Rationale: CSA B52 requires pressure limiting devices on all
refrigeration systems, except listed and approved factory-sealed
systems containing less than specified quantities of Group A1
refrigerant.
7. Which regulation addresses the staffing, operation, maintenance,
inspection, and testing of compressor plants in Ontario?
A) Boilers and Pressure Vessels Regulation
B) Operating Engineers Regulation
C) Environmental Protection Act
D) Occupational Health and Safety Act
REFRIGERATION OPERATOR CALL B (TSSA) ACTUAL 2026/2027 TEST BANK
PRACTICE QUESTIONS AND STUDY GUIDE COMPLETE ACCURATE EXAM
REAL QUESTIONS WITH WELL ELABORATED ANSWERS WITH RATIONALES
(100% CORRECT VERIFIED SOLUTIONS) LATEST UPDATED VERSION 2026
EDITION |GUARANTEED SUCCESS A+ |FULL REVISED ONTARIO
REFRIGERATION OPERATOR CALL B (TSSA) REAL EXAM |INSTANT
DOWNLOAD PDF
1. What is the minimum required operating experience in a Class A
or B refrigeration plant to challenge the TSSA Refrigeration
Operator Class B exam?
A) 720 hours
B) 1,440 hours
C) 2,160 hours
D) 3,000 hours
CORRECT ANSWER: B
Rationale: TSSA guidelines require 1,440 hours of practical training
in a Class A or B refrigeration plant to qualify for the Class B
certification exam. This experience ensures candidates have
sufficient hands-on exposure to plant operations before challenging
the examination.
,2. Which code governs the mechanical safety requirements for the
design, construction, installation, and inspection of refrigeration
systems in Ontario?
A) CSA B51
B) CSA B52
C) ASHRAE 15
D) CSA B149
CORRECT ANSWER: B
Rationale: CSA B52: Mechanical Refrigeration Code sets the
standards for safety in refrigeration systems. CSA B51 covers boilers
and pressure vessels, while ASHRAE 15 provides safety standards
but is not the governing code in Ontario.
3. Under the Technical Standards and Safety Act, 2000, who has the
authority to enforce compliance with refrigeration regulations in
Ontario?
A) Ministry of Labour
B) TSSA
C) CSA Group
D) ASHRAE
CORRECT ANSWER: B
,Rationale: The Technical Standards and Safety Authority (TSSA) is
the regulatory body responsible for enforcing the Technical
Standards & Safety Act, 2000 and its associated regulations in
Ontario.
4. Which Ontario Regulation specifically addresses the requirements
for operating engineers in refrigeration plants?
A) Ontario Regulation 213/07
B) Ontario Regulation 219/01
C) Ontario Regulation 187/03
D) Ontario Regulation 847/00
CORRECT ANSWER: B
Rationale: The Operating Engineers Regulation (Ontario Regulation
219/01) governs refrigeration operator certification under the TSSA.
5. What is the minimum passing mark for the TSSA Refrigeration
Operator Class B examination?
A) 55%
B) 60%
C) 65%
D) 70%
CORRECT ANSWER: C
, Rationale: The minimum passing mark for the examination
comprising multiple-choice questions is 65%.
6. CSA B52 requires that all refrigeration systems operating above
atmospheric pressure shall be equipped with which type of device?
A) Pressure relief device
B) Temperature sensor
C) Flow meter
D) Sight glass
CORRECT ANSWER: A
Rationale: CSA B52 requires pressure limiting devices on all
refrigeration systems, except listed and approved factory-sealed
systems containing less than specified quantities of Group A1
refrigerant.
7. Which regulation addresses the staffing, operation, maintenance,
inspection, and testing of compressor plants in Ontario?
A) Boilers and Pressure Vessels Regulation
B) Operating Engineers Regulation
C) Environmental Protection Act
D) Occupational Health and Safety Act
