Fluid Mechanics and Hydraulic Machines MCQs | Page - 15

Q. 141) Velocity head is given by

Q. 142) Euler’s equation (in differential form) is written as:

Q. 143) In which of the following measuring devices Bernoulli’s equation is used:

Q. 144) The co-efficient of discharge of an orificemeter is ......that of a venturimeter.

Q. 145) The piezometric head is the summation of :

Q. 146) The total-energy-line in pipe flow is a graphical representation of the Bernoulli’s equation and represents the sum of velocity head, pressure head and the elevation head above:

Q. 147) The total energy represented by the Bernoulli’s equation (p/ρg +V2/2g +z) has the units:

Q. 148) The Bernoulli’s equation written in the conventional form p/ρg + V2/2g + z = constant total energy per unit of certain quantity. Identify this quantity from the choices given below:

Q. 149) A venturimeter is used for measuring:

Q. 150) The laminar/viscous flow is characterized by Reynolds number which is