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You Are On Multi Choice Question Bank SET 551

27551. In flow, the liquid particles may possess





27552. Euler's equation for the motion of liquids assumes that





27553. The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is





27554. A steady uniform flow is through






27555. With increase in cut-off ratio,the thermal efficiency of a Diesel cycle having fixed compression ratio will:





27556. Mach number is the ratio of inertia force to





27557. ‘Love in the time of Cholera’ has been written by?





27558. The main assumption of Bernoulli's equation is :





27559. With which sports the term ‘Bishop’ is associated?





27560. Put on your coat, if you ........., you will catch a cold.?





27561. The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure


27562. For critical depth of flow of water in open channels, fc the specific energy must be :





27563. Kinematic viscosity of liquids by equation is determined by :





27564. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of the channels is made by comparing





27565. The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is





27566. The velocity of the fluid particle at the centre of the pipe section, is





27567. Due to decrease of diameter of the droplet, inside pressure intensity





27568. In order to avoid capillary correction, the minimum diameter of a manometer used for measuring pressure, should be






27569. When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe





27570. Barometres are used to measure






27571. For most economical rectangular section of a channel, the depth is kept






27572. In a centrifugual pump casing, the flow of water leaving the impeller, is





27573. In fluids, steady flow occurs when





27574. A cylinder 3 m in diameter and 4 m long retains water one side as shown in the below figure. If the weight of the cylinder is 2000 kgf, the vertical reaction at A is





27575. From a nozzle exposed to atmosphere, the liquid jet traverses





27576. To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is





27577. An orifice is taken as large if





27578. A closed cylindrical vessel of 100 cm diameter and 200 cm high is completely filled with a liquid (sp. weight 1600 kg/m3) when rotated about its vertical axis at 100 r.p.m. The total pressure on its lid, is






27579. For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be






27580. 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






27581. 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





27582. In Newton's viscosity equation , the coefficient (μ) is known as coefficient of






27583. 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





27584. The lens used for correcting long sight is?





27585. Dimensions of the dynamic viscosity (μ) are





27586. To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than





27587. A jet projected at an angle of 45θ, 40 m from the foot of a vertical column, just reaches the top of the column. The height of the column is






27588. If Cv, Cc, Cd and Cr are the hydraulic coefficients of an orifice, then





27589. Atmospheric pressure varies with





27590. The magnitude of water hammer in a pipe depends upon






27591. If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be





27592. The rise of the liquid along the walls of a revolving cylinder above the initial level, is





27593. Fluids change the volume under external presssure due to





27594. Discharge over an ogee weir remains the same as that of





27595. When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as





27596. The best side slope for most economical trapezoidal section, is





27597. The following is not a laminar flow






27598. Due to detonation the following parameters attains very high value:





27599. Uniform flow is said to occur when





27600. For the most economical trapezoidal section of a channel with regards to discharge, the required condition, is





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