NYC RMO EXAM, CHAPTER 25
(Thermostatic Expansion Valves) EXAM
REVIEW QUESTIONSWITH CORRECT
SOLUTIONS UPDATED 2025/2026
SYLLABUS ALREADY GRADED!!100%
GUARANTEED PASS!!!<<BRAND NEW
VERSION>>
25.1.) When a refrigerant such as R-22 passes through a TEV both pressure and
temperature are reduced. Which of the following is directly responsible for the
reduction in temperature? - ANSWER ✓ Flashing of refrigerant
25.2.) What would happen if a TEV's superheat spring did not exert sufficient
force? - ANSWER ✓ Flood the evaporator
25.3.) A direct expansion cooling coil is equipped with a TEV. If the load
variations on the system are wide and subject to rapid change, the valve superheat
setting should be? - ANSWER ✓ 10 to 15 degrees F
25.4.) Which of the following will take place if the external equaling line breaks? -
ANSWER ✓ System refrigerant charge will be lost
25.5.) The forces that produce "operating superheat" are referred to as? -
ANSWER ✓ Static and opening superheat
25.6.) Selection of a TEV requires that the refrigerant type be indicated. In
addition to identifying text how would a RMO know which refrigerant a particular
valve was to be used with? - ANSWER ✓ Color code
25.7.) Which of the following is closest to the factory superheat setting of a TEV?
- ANSWER ✓ 8 to 12 degrees F
(Thermostatic Expansion Valves) EXAM
REVIEW QUESTIONSWITH CORRECT
SOLUTIONS UPDATED 2025/2026
SYLLABUS ALREADY GRADED!!100%
GUARANTEED PASS!!!<<BRAND NEW
VERSION>>
25.1.) When a refrigerant such as R-22 passes through a TEV both pressure and
temperature are reduced. Which of the following is directly responsible for the
reduction in temperature? - ANSWER ✓ Flashing of refrigerant
25.2.) What would happen if a TEV's superheat spring did not exert sufficient
force? - ANSWER ✓ Flood the evaporator
25.3.) A direct expansion cooling coil is equipped with a TEV. If the load
variations on the system are wide and subject to rapid change, the valve superheat
setting should be? - ANSWER ✓ 10 to 15 degrees F
25.4.) Which of the following will take place if the external equaling line breaks? -
ANSWER ✓ System refrigerant charge will be lost
25.5.) The forces that produce "operating superheat" are referred to as? -
ANSWER ✓ Static and opening superheat
25.6.) Selection of a TEV requires that the refrigerant type be indicated. In
addition to identifying text how would a RMO know which refrigerant a particular
valve was to be used with? - ANSWER ✓ Color code
25.7.) Which of the following is closest to the factory superheat setting of a TEV?
- ANSWER ✓ 8 to 12 degrees F
