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You Are On Multi Choice Question Bank SET 555
27751. Which country is known as the sugar bowl of the world?
(A): (A) Cuba (B): (B) India (C): (C) Indonesia (D): (D) Brazil
27752. The flow is called rotational if its velocity normal to the plane of area is equal to
(A): angular velocity vector (B): none of these. (C): thrice the angular velocity vector (D): twice the angular velocity vector
27753. Flow of water in pipes of diameter more than 3 metres, can be measured by
(A): orifice plate (B): pitot tube (C): rotameter. (D): venturimeter
27754. I can write a book ......... grammar.?
(A): (A) on (B): (B) in (C): (C) about (D): (D) of
27755. Hydraulic grade line
(A): may be above or below the centre line of conduit. (B): remains above the centre line of conduit (C): remains below the centre line of conduit (D): remains parallel to the centre line of conduit
27756. If the Mach number for a fluid flow is less than 1, the flow is
(A): none of these. (B): sonic (C): sub-sonic (D): supersonic
27757. Hydraulic coefficient of an orifice means the coefficient of
(A): all the above. (B): contraction (C): resistance (D): velocity
27758. ‘A foreign policy for India’ has been written by?
(A): (A) Arun Shourie (B): (B) I.K.Gujral (C): (C) Partha Chatterjee (D): (D) Boris Yeltsin
27759. In a venturimeter, the divergent cone is kept
(A): equal to covergent cone (B): longer than convergent cone (C): none of these. (D): shorter than convergent cone
27760. Specific weight of sea water is more than that of pure water because of
(A): all the above. (B): dissolved air (C): dissolved salts (D): suspended matter
27761. Total pressure on the top of a closed cylindrical vessesl completely filled with liquid, is directly proportional to
(A): (radius)2 (B): (radius)3 (C): (radius)4 (D): none of these. (E): radius
27762. Energy equation is usually applicable to
(A): laminar flow (B): non-uniform flow (C): steady flow. (D): turbulent flow
27763. Poise is the unit of
(A): kinematic viscous. (B): mass density (C): velocity gradient (D): viscosity
27764. For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom
(A): inclined downward while moving downwards. (B): inclined upward while moving upwards (C): parallel to the horizontal surface (D): parallel to the road surface
27765. Who is the first woman won the ‘Outstanding Parliamentarian Award’?
(A): (A) Sonia Gandhi (B): (B) Mamtha Banarjee (C): (C) Sushama Swaraj (D): (D) Mayawathi
27766. The upper surface of the weir over which water flows, is known as
(A): nappe (B): none of these. (C): sill (D): vein
27767. The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called
(A): Euler number (B): Frode number (C): Reynold number (D): Weber number.
27768. Discharge with velocity of approach, over a rectangular weir is
(A): Cd x L x 2g [(H + ha)3/2 + ha3/2] (B): Cd x L x 2g [(H + ha)3/2 - ha3/2] (C): Cd x L x 2g [(H - ha)3/2 + ha3/2] (D): Cd x L x 2g [(H - ha)3/2 - ha3/2]
27769. To avoid the tendency of separation of liquid flow, the most suitable ratio of the diameters of the throat and the pipe, is
(A): 1/2 to 3/4. (B): 1/3 to 1/2 (C): 1/4 to 1/8 (D): none of these.
27770. A pitot tube is used to measure
(A): difference in pressure (B): none of these. (C): pressure (D): velocity of flow
27771. The thickness of a sharp crested weir is kept less than
(A): none of these. (B): one-fourth of the height of water on the sill (C): one-half of the height of water on the sill (D): one-third of the height of water on the sill (E): two-third of the height of water on the sill
27772. The property of steam function ψ is :
(A): ψ is constant everwhere on any stream line (B): all the above. (C): the flow around any path in the fluid is zero for continuous flow (D): the rate of change of ψ with distance in an arbitrary direction, is proportional to the component of velocity normal to that direction (E): the velocity vector may be found by differentiating the stream function
27773. The maximum vacuum created at the summit of a syphon is
(A): 2.7 m of water (B): 5.5 m of water (C): 7.4 m of water (D): none.
27774. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm2, the pressure at a depth of 2.5 m, is
(A): 1 metre of water (B): 2 metres of water (C): 3 metres of water (D): 3.5 metres of water (E): 4.0 metres of water.
27775. Critical temperature is the temperature above which
(A): A gas will liquefy (B): None of the above (C): Water will evaporate (D): Water will solidfy
27776. In vapour compressioncyclethe condition of refrigeration is dry saturated vapour.
(A): After passing the condense (B): After passing the throttle valve (C): Before entering the compressor (D): Before passing the expansion valve
27777. ബാരോമീറ്റർ കണ്ടുപിടിച്ചതാര്? [Baaromeettar kandupidicchathaar?]
(A): ടോറി സെല്ലി [Dori selli] (B): ലൂയി പാർ [Looyi paar] (C): ലെനക് [Lenaku]
27778. The gear which is used to transmit power from one rotating shaft to an other whose axes are neither parallel nor intersecting is
(A): Bevel gear (B): Spiral gear (C): Spur gear (D): Worm gear
27779. The brake commonly used on train bogies is
(A): Band and block brake (B): Electric brake (C): Internal expanding (D): Shoe brake
27780. The difference in level between the top of a bank and supply level in a canal, is called
(A): berm (B): free board (C): height of bank (D): none of these.
27781. F.S.L. of a canal at its head with respect to parent channel is kept
(A): 15 cm higher (B): 15 cm lower (C): at the same level (D): none of these.
27782. The measure to remove water logging of land, is
(A): both (a) and (b) (B): neither (a) nor (b) (C): to increase outflow from the ground water reservoir (D): to reduce percolation from canals and water courses
27783. Attracting groynes are built
(A): inclined down stream (B): inclined up stream (C): none of these. (D): perpendicular to the bank
27784. Retrogression of the bed level of a river downstream a weir, occurs due to
(A): heavy impact of water (B): increase of the bed level (C): less percentage of silt (D): soft soil strata.
27785. According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
(A): maximum discharge (B): rate of flood wave (C): surface slope of streams above the leveed portion. (D): velocity and scouring action (E): water surface elevation during floods
27786. In a canal syphon, the flow is
(A): pipe flow (B): under atmospheric pressure (C): under negative pressure. (D): with critical velocity
27787. A water-logged land is found suitable for cultivation due to
(A): absence of aeration of soil from root zone of the plant (B): ease of tillage for preparation of the field for optimum condition of germination (C): none of these. (D): regular supply of water to plants from the water table by capillary action
27788. When a canal and a drainage approach each other at the same level, the structure so provided, is
(A): a level crossing (B): a syphon (C): an aqueduct (D): inlet and outlet.
27789. For smooth entry of water in a canal, the angle between head regulator and water is generally kept
(A): 110° (B): 120° (C): 80° (D): 90°
27790. If L is total length of a canal in kilometres, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is
(A): 1000 PLC
27791. The circle passing through the bottom of the teeth of gear is known as
(A): Addendum circle (B): Base circle (C): Dedendum circle (D): Prime circle
27792. Capital of Kosovo?
(A): (A) Pristina (B): (B) Podgorica (C): (C) Kigali (D): (D) Accra
27793. In a Sarda type fall, the rectangular crest, may be used for discharge upto
(A): 10 cumecs (B): 14 cumecs (C): 20 cumecs (D): 25 cumecs. (E): 6 cumecs
27794. When a canal is carried over a natural drainage, the structure provided, is known as
(A): aqueduct (B): super passage (C): syphon (D): syphon-aqueduct.
27795. For the stability of a structure against seepage pressure according to Khosla's creep theory, the critical gradient is
(A): 0.25 (B): 0.50 (C): 0.75 (D): 1.00 (E): zero
27796. According to law of gearing
(A): Dedendum should be equal to 1.157 m (B): None of these (C): Teeth should be of involute type (D): Teeth should of cycloidal type
27797. Groynes are generally built
(A): all the above. (B): inclined down stream upto 30° (C): inclined up stream up to 30° (D): perpendicular to the bank
27798. The top of the capillary zone
(A): coincides the water table at every point (B): lies above the water table at every point (C): lies below the water table at every point (D): none of these.
27799. Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less
(A): alkaline area (B): fallow land. (C): forest area (D): populated area
27800. Peaucellier mechanism has
(A): Eight links (B): Four links (C): Six links (D): Twelve links
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