The most unfavourable strike direction is when the beds?
(a) Strike parallel to axis of dam and the dip is upstream
(b) Strike parallel to axis of dam and the dip is downstream
(c) Strike normal to axis of dam and the dip is downstream
(d) Strike normal to axis of dam and the dip is upstream
I had been asked this question during an online exam.
My doubt is from Geological Characters for Investigation topic in portion Dams and Reservoirs of Engineering Geology