Questions and answers for exam Preparation

MCQs

Total Questions : 47 | Page 2 of 5 pages

Question 11. The crossing arrangement preferably made at the junction of a huge canal and a river stream carrying a short-lived high flood discharge at almost equal bed levels is a __________

super passage
aqueduct
level crossing
canal syphon

Discuss Question

Answer: Option C. -> level crossing
Answer: (c).level crossing

Question 12. The drainage water is sometimes allowed to join the canal water to augment canal supplies through a hydraulic structure is called as ________________

canal outlet
canal inlet
module
level crossing

Discuss Question

Answer: Option B. -> canal inlet
Answer: (b).canal inlet

Question 13. Which CD work is generally adopted when the drainage discharge is small and the drain crosses the canal with its bed level equal to or slightly higher than the canal FSL?

Syphon Aqueduct
Level crossing
Inlets and outlets
Aqueduct

Discuss Question

Answer: Option C. -> Inlets and outlets
Answer: (c).Inlets and outlets

Question 14. In a syphon aqueduct provided with a pucca bottom floor, the uplift will occur on __________

the roof slab
the bottom floor
both the roof slab as well as the bottom floor
nowhere since the flow is free in the canal as well as in the drainage channel

Discuss Question

Answer: Option B. -> the bottom floor
Answer: (b).the bottom floor

Question 15. Which of the following is a disadvantage of CD works carrying the canal over the discharge?

The damage caused by floods is not rare
The canal is not open for inspection and maintenance
The CD works are less liable to damage than the earthwork of the canal
During heavy floods, the foundations are susceptible to scour or waterway of the drain may get choked

Discuss Question

Answer: Option D. -> During heavy floods, the foundations are susceptible to scour or waterway of the drain may get choked
Answer: (d).During heavy floods, the foundations are susceptible to scour or waterway of the drain may get choked

Question 16. The selection of the CD works depends on?
i. Selecting canal alignment
ii. Position of water-table and availability of dewatering equipment
iii. Suitability of soil for embankment
iv. Availability of funds