1. . The purpose of primary tillage is to plow the soil:
(A) To seed the plant
(B) Shallow
(C) To break soil clods
(D) Deep
2. . Secondary tillage machinery cuts the soil deep:
(A) 6-9 inch
(B) 8-10 inch
(C) 2-4 inch
(D) 2-6 inch
3. . The implement that cuts the soil deep 14 to 20 in is:
(A) Disk plow
(B) Chisel plow
(C) M.B. plow
(D) Cultivator
4. . The bottom of M.B. plow is bolted to a vertical riser called:
(A) Share
(B) Beam/standard
(C) Shin
(D) None of above
5. . A general purpose bottom works well at speed of:
(A) 5-6 miles/hr
(B) 11-12 miles/hr
(C) 8-10 miles/hr
(D) 3-4 miles/hr
6. . The rolling coulters cut crop residues:
(A) Ahead of M.B. plow
(B) Side of M.B. plow
(C) Behind of M.B. plow
(D) All of above