MCQOPTIONS
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MCQOPTIONS
| 1. |
An engine pump is used to pump a liquid of density \[\rho \] continuously through a pipe of cross-sectional area A. If the speed of flow of the liquid in the pipe is v, then the rate at which kinetic energy is being imparted to the liquid is |
| A. | \[\frac{1}{2}A\rho {{v}^{3}}\] |
| B. | \[\frac{1}{2}A\rho {{v}^{2}}\] |
| C. | \[\frac{1}{2}A\rho v\] |
| D. | \[A\rho v\] |
| Answer» B. \[\frac{1}{2}A\rho {{v}^{2}}\] | |