Hydraulics Questions

• Maximum efficiency of transmission of power through a pipe, is
• A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is
• The most familiar form of Bernoulli's equation, is
• A syphon is used
• A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is
• Differential manometers are used to measure
• The property of steam function ψ is :
• Product of Renold number, Froud's number and Mach number is :
• The phenomenon occuring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface, is
• In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is
• The velocity of the fluid particle at the centre of the pipe section, is
• Due to decrease of diameter of the droplet, inside pressure intensity
• The main assumption of Bernoulli's equation is :
• The terminal velocity (v) of a sphere of radius r and specific weight W, which travels vertically downwards in a liquid of viscosity μ and specific weight W, is
• The valve closure is said to be sudden if
• The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called
• A rectangular channel 6 m wide and 3 m deep and having a bed slope as 1 in 2000 is running full. If Chezy's constant C = 54.8, pick up the correct specification of the channel from the following :
• For most economical rectangular section of a channel, the depth is kept
• Hydraulic ram is a device
• When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe