The most economical trapezoidal open channel section has a hydraulic radius (R) equal to:

More Civil Engineering MCQs

• In geotechnical engineering, the Piping Failure under hydraulic structures like dams occurs when effective stress becomes zero due to:
• In structural analysis, the Castigliano’s First Theorem states that first partial derivative of total strain energy with respect to displacement gives:
• The Los Angeles Abrasion test on aggregates measures resistance against:
• The critical tractive force (shear stress) acting on an alluvial canal bed in Lacey’s regime theory is proportional to:
• In welded steel connections, the effective throat thickness (t) of a fillet weld with leg size ‘s’ and fusion angle 90° is given by: