Hydraulics And Fluid Mechanics In Me - Practice Test

(A) Two jets

(B) Two runners

(C) Four jets

(D) Four runners

(B) Two runners

(A) $$frac{l}{{{{ ext{d}}^2}}} = frac{{{l_1}}}{{{ ext{d}}_1^2}} + frac{{{l_2}}}{{{ ext{d}}_2^2}} + frac{{{l_3}}}{{{ ext{d}}_3^2}}$$

(B) $$frac{l}{{{{ ext{d}}^3}}} = frac{{{l_1}}}{{{ ext{d}}_1^3}} + frac{{{l_2}}}{{{ ext{d}}_2^3}} + frac{{{l_3}}}{{{ ext{d}}_3^3}}$$

(C) $$frac{l}{{{{ ext{d}}^4}}} = frac{{{l_1}}}{{{ ext{d}}_1^4}} + frac{{{l_2}}}{{{ ext{d}}_2^4}} + frac{{{l_3}}}{{{ ext{d}}_3^4}}$$

(D) $$frac{l}{{{{ ext{d}}^5}}} = frac{{{l_1}}}{{{ ext{d}}_1^5}} + frac{{{l_2}}}{{{ ext{d}}_2^5}} + frac{{{l_3}}}{{{ ext{d}}_3^5}}$$

(D) $$frac{l}{{{{ ext{d}}^5}}} = frac{{{l_1}}}{{{ ext{d}}_1^5}} + frac{{{l_2}}}{{{ ext{d}}_2^5}} + frac{{{l_3}}}{{{ ext{d}}_3^5}}$$

(A) Only when the fluid is frictionless

(B) Only when the fluid is incompressible and has zero viscosity

(C) When there is no motion of one fluid layer relative to an adjacent layer

(D) Irrespective of the motion of one fluid layer relative to an adjacent layer

(C) When there is no motion of one fluid layer relative to an adjacent layer

(A) Smoothen flow

(B) Reduce acceleration to minimum

(C) Increase pump efficiency

(D) Save pump from cavitations

(B) Reduce acceleration to minimum

(A) 10-15°

(B) 20-25°

(C) 30-40°

(D) 50-60°

(B) 20-25°

Hydraulics And Fluid Mechanics In Me - Study Mode