1. Objective of river training:
(A) Navigation
(B) Flood Protection
(C) All of these
(D) Sedimentation
2. Stability of river achieved by:
(A) By decreasing discharge
(B) By Construction of structure
(C) By increasing discharge
(D) Stone pitching
3. It is type of river training:
(A) Spurs
(B) All of these
(C) Approach Bank
(D) Cut-off
4. Spurs are:
(A) None of these
(B) Permanent & Permeable
(C) Temporary & impervious
(D) Temporary & Permeable
5. Spurs have angle:
(A) 40⁰ - 60⁰
(B) 60⁰ - 75⁰
(C) 60⁰ - 90⁰
(D) 75⁰ - 90⁰
6. For high velocity ________ spur is recommended.
(A) Timber
(B) Bamboo
(C) Boulders
(D) All of These
7. Side slope of groynes is taken as:
(A) 1½ : 1
(B) 2 : 1
(C) None of above
(D) Both A & B
8. Which one is earthen embankment:
(A) Spurs
(B) Groynes
(C) Guide bank
(D) All of these
9. Guide bank is also known as:
(A) Barrage
(B) Dam
(C) Bell’s bund
(D) Weir
10. Straight portion of guide bank is known as:
(A) Sloping apron
(B) Shank
(C) Launching apron
(D) Head