Discussion
A variable-speed drive on an HVAC supply fan is usually controlled to hold
Answer: B
Terminal boxes throughout the building open and close, and holding a duct pressure lets the fan deliver exactly what they are drawing. That is where the saving comes from, since the alternative is a fan at full speed with dampers throttling the surplus.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development