Discussion
Compressibility effects in air are generally regarded as negligible below a Mach number of about
Answer: D
Below roughly Mach 0.3 the density change through the flow is only a few per cent, so the incompressible equations are accurate enough for most purposes. Above that the error grows quickly and compressible relations must be used.
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