Hydraulics and Fluid Mechanics in ME
For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal

all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity
ratio of inertial force to force due to surface tension
ratio of inertial force to force due to gravitation
ratio of inertial force to force due to viscosity

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
In an inward flow reaction turbine

The water enters at the center of the wheel and then flows towards the outer periphery of the wheel
The flow of water is partly radial and partly axial
The water flows parallel to the axis of the wheel
The water enters the wheel at the outer periphery and then flows towards the center of the wheel

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Hydraulics and Fluid Mechanics in ME