Railways
NTPC (Technical Ability)
Fluid Mechanics and Machinery
Question Bank
Fluid Mechanics
question_answer
Fluid flow rate Q, can be measured easily with the help of a venturi tube, in which the difference of two pressures, \[\Delta \,P,\] measured at an upstream point and at the smallest cross-section of the tube, is used. If a relation \[\Delta \,P\propto {{Q}^{n}}\] exists, then n is equal to: