Q. A cylindrical vessel 40 cm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is √5 cm, the angular velocity of rotation, is

View solution

Q. For the flow of liquid from an open ended tube (or nozzle) leading to the formation of spray of liquid drops, the number generally applied, is

View solution

Q. An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to

View solution

Q. Discharge over an ogee weir remains the same as that of

View solution

Q. When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as

View solution

Q. The best side slope for most economical trapezoidal section, is

View solution

Q. The following is not a laminar flow

View solution

Q. Which one of the following statements is true ?

View solution

Q. Equation of continuity of flow is based on the principle of conservation of

View solution

Q. Pick up the correct statement from the following :

View solution

Q. The flow in open channel is said to be subcritical if the Froude number is

View solution

Q. In C.G.S. system the unit of visocity is

View solution

Q. The ratio of the percentage error in the discharge and percentage error in the measurement of head, over rectangular notch, is

View solution

Q. In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to

View solution

Q. If the pressure at the inlet of a pipe is 90 kg/cm² and pressure drop over the pipe line is 10 kg/cm², the efficiency of transmission, is

View solution

Q. Pick up the incorrect statement from to following regarding triangular notch :

View solution

Q. The flow in a channel is said to be non-uniform, if

View solution

Q. In steady flow, which one of the following changes with time

View solution

Q. The notch angle for maximum discharge over a triangular notch, is

View solution

Q. In an inclined pipe, the pressure difference at its two ends is due to

View solution