What does the wheel in the National Flag represent?
1). Speed
2). Truth
3). Growth
4). Future
1. The frequency of ultrasound wave is typically
3. Quality of a musical note depends on
4. The head mirror used by E.N.T.?doctors is
5. In severe winter in cold countries water pipes burst because
6. Which compressor is usually used in AC?
7. The absolute zero is a temperature at which _______
8. Electric Motor converts _____ energy to mechanical energy