Water Resources Engineering MCQ with Answers

Water Resources Engineering MCQ with Answers

206) Cavitation is caused by

Answer is:

low pressure

207) Cavitation will begin when

Answer is:

the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid

208) Principle of similitude forms the basis of

Answer is:

designing models so that the result can be converted to prototypes

209) For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal

Answer is:

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

210) The normal stress in a fluid will be constant in all directions at a point only if

Answer is:

it is at rest.