SSC JE Mechanical Engineering 2018 Set 2 Paper

Question : 190 of 200

Marks: +1, -0

The ratio of actual discharge to theoretical discharge through an orifice is
A.

C_c/D_d

C_d/C_v

C_v/C_d

C_cC_v

Solution:

Ratio of actual discharge to theoretical discharge is equal to coefficient of discharge

(C_d )

(C_d )=(C_d )_\act/(C_d )_\the

also

c_d = C_v × C_c

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