Which of the following is the simplest type of spillway which can be provided independently and at low costs?
(a) Ogee spillway
(b) Trough spillway
(c) Siphon spillway
(d) Saddle spillway
The question was posed to me during an interview.
My doubt stems from Chute Spillway in portion Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering