27701. The value of kinetic energy correction factor (a) for a laminar flow through a circular pipe, is
27702. The formula Q = m x L x 2g x H3/2 where was suggested by :
27703. One metric slug is equal to
27704. Falling drops of water become spheres due to
27705. The most efficient channel section, is
27706. With a clinging nappe of a weir, the excess discharge, is
27707. For steady flow in open channels, which one of the following does not change :
27708. If v1 and v2 are the velocities of flow before and after sudden enlargement in a pipe, the head loss given by Carnot and Borda equation, is
27709. Equation of continuity of fluids is applicable only if
27710. The flow in open channel is said to be critical if the Froude number is :
27711. An orifice is an opening in a vessel with
27712. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point, is called
27713. A nozzle is fitted at the end of a pipe whose length is 320 m and diameter is 10 cm. If the value of f = 0.01, the diameter of the nozzle for the maximum transmission of power through the nozzle is
27714. When the whole fluid mass rotates either due to fluid pressure or gravity or rotation previously imparted, the motion is known as
27715. The ratio of the maximum height to which a jet inclined through θ rises to its total horizontal span is
27716. For solving the problems is hydraulic engineering, the velocity used is
27717. The shape of fire hose nozzle is generally kept
27718. The dimensions MLT-2 refers to
27719. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit, is known as
27720. Practical fluids possess
27721. The depth of the centre of pressure on a vertical rectangular gate (4 m wide, 3 m high) with water upto top surface, is
27722. The differential equation dp/ρ + gdz + vdv = 0 for a fluid motion is suggested by
27723. An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be
27724. For uniform flow in canals
27725. If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is
27726. Fourie’s law of heat conduction is valid for:
27727. Which of the following institutions was not founded by Mahatma Gandhi?
27728. In flowing liquids pitot tubes are used measure
27729. Capillary rise of water is
27730. A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water
27731. The dimensional formula of force is
27732. An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to
27733. Orifice-meter is used to measure
27734. Absorptivity of a body will be equal to its emissivity:
27735. Which is the largest peninsula in the world?
27736. For an irrotational flow, the equation is given by
27737. Water belongs to
27738. Hydraulic radius is equal to
27739. The discharg formula Q = Cd 2gH x A is used for rectangular
27740. Chezy's constant is suggested by
27741. The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45°, is
27742. In free convection heat transfer,Nusselt number is a function of:
27743. For solving network problems of pipes, necessary condition is
27744. In a fluid flow a particle may posses
27745. In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be
27746. The vapour compression refrigerator employs the following cycle
27747. For a most economical rectangular channel, the hydraulic mean depth, is equal to
27748. The instrument used for measuring the velocity of flow, is known as
27749. For a long pipe, the head loss
27750. On a flow net diagram, the distance between two consecutive steam lines at two successive sections are 1 cm and 0.5 cm respectively. If the velocity at the first section is 1 m/sec, the velocity at the second is