111) As one moves from head of the canal to the field, the duty of the water

• (a) decreases
• (b) increases
• (c) either increases or decreases
• (d) remains constant

112) In a canal section, which is in partial filling and partial cutting

• (a) the full supply level of the canal is above the natural surface level
• (b) the bed level of the canal is below the natural surface level
• (c) the full supply level of the canal is below the natural surface level
• (d) the bed level of the canal is above the natural surface level

113) The narrow strip of land left at the ground level between the inner toe of the bank and top edge of the cutting, is known as

• (a) free board
• (b) dowel
• (c) inspection roadway
• (d) berm

114) The gap or margin of height, between full supply level (F.S.L.) and top of the bank is called(a) free board

• (a) free board
• (b) dowel
• (c) inspection roadway
• (d) berm

115) The berms when fully formed

• (a) reduce the absorption losses and prevents leaks
• (b) protect the bank from erosion because of wave action
• (c) provide a scope for future widening the channel
• (d) all of the above