Fluid Mechanics Sheet 11
-
1) Question.
At room temperature, the dynamic and kinematic viscosity of water -
Answer. -
2) Question.
If the velocity distribution is rectangular, the kinetic energy correction factor is -
Answer. -
3) Question.
A streamlined body is defined as a body about which -
Answer. -
4) Question.
The velocity potential function for a source varies with distance r as -
Answer. -
5) Question.
For a developed turbulent flow in a horizontal pipe, the pressure gradient -
Answer. -
6) Question.
The locus of elevations that water will rise in a series of pitot tubes is called -
Answer. -
7) Question.
The viscosity of a fluid varies with -
Answer. -
8) Question.
A fluid is a substance that -
Answer. -
9) Question.
A hydraulic turbine has a discharge of , when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be -
Answer. -
10) Question.
The number of revolutions of a current meter in 50 seconds were found to be 12 and 30 corresponding to the velocities of 0.25 and 0.46 m/sec. respectively. What velocity (in m/sec.) would be indicated by 50 revolutions of the current meter in one minute ?
Answer.
