Discussion
The chief objection to determining a large machine's efficiency directly is that
Answer: D
Correct answer: the difference of two large quantities is very uncertain
A machine at 98 per cent efficiency has losses of two per cent, so the loss is the small difference between two nearly equal large measurements. A one per cent error in each could give a fifty per cent error in the loss and a wholly unreliable efficiency. Measuring the losses themselves avoids this entirely.
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