Q. The setting of an outlet is defined as the ratio of the ?

• (A) depth of the sill or the crest level of the module below the full supply of the distributing. channel to the full supply depth of the distributing channel
• (B) rate of rate of change of discharge of an outlet to the rate of change of discharge of the distributing channel
• (C) rate of change of discharge of an outlet to the rate of change in level of the distributing surface, referred to the normal depth of the channel
• (D) head recovered to the head put in an outlet