FLOW THROUGH ORIFICES MCQs – CHAPTER 8 DAE

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1. The co-efficient of discharge is the ratio between actual discharge and …………………. discharge.





2. Average value of co-efficient of discharge of flowing liquid through orifice is taken as





3. The co-efficient of velocity is determined experimentally by using the relation:





4. An orifice is said to be small if available head of water is more than at least ……………….. times its height.





5. A short pipe fitted to an orifice to improve its discharge co-efficient is termed as





6. Length of mouth piece should not be less than ………………………….. times its diameter.





7. The continuous stream of a liquid that comes out from an orifice is termed as





8. Ratio between the areas of venacontracta and that of the orifice is termed as co-efficient of





9. Theoretical velocity of the jet at venacontracta is determined by





10. Minimum section of the jet of water is termed as





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