821. The sheet or small layer of water flowing over an ogee spillway is called _________________?

A. Thin layer
B. Nappe
C. Water sheet
D. Water spillway

822. In ogee spillway the discharge is directly proportional to _______________________?

A. H1/2
B. H1/3
C. H3/2
D. H1/4

823. The _________ analysis of earth dam foundation against shear must be carried out when the foundation is kept on fine loose cohesion less material?

A. Stability
B. Suitability
C. Overturning
D. Failure

824. Onion is a ___________ rooted crop?

A. Shallow
B. Deep
C. Non-rooted
D. Spread

825. To pack with clay material generally for the purpose of checking leakage of water is called __________________?

A. Pug
B. Cohesive
C. Seal
D. Repair

826. The significant damage to crop generally occurs when capillary meniscus reaches permanent wilting point known as _______________?

A. Unavailable moisture
B. Hygroscopic moisture
C. Equivalent moisture
D. A and B

827. The level above the or below the sea level which is also called zero level or datum is called ___________________?

A. Reduce level
B. Positive level
C. Soil level
D. Negative level

828. It is important to keep the saturation gradient line within the body of a embankment of canal, the saturation gradient line in loomy soils lie at___________________?

A. 1:2 to 1:4
B. 1:3 to 1:5
C. 1:4 to 1:6
D. 1:5 to 1:7

829. The counter berm for a canal is provided so as to contain the saturation gradient line _____________ the bank?

A. Out of
B. Within
C. Above
D. Below

830. A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?

A. Less than
B. Excess
C. Equal to
D. Not required