Description : To within 1 pound per square inch, what is the nominal pressure due to water at a depth of 100 feet below the surface of a body of water?
Last Answer : ANSWER: 43.3 POUNDS PER SQUARE INCH (accept 42.3 to 44.3)
Description : Pressure in fluid depends upon A. depth below the surface B. density of fluid C. the value of g D. all of above
Last Answer : all of above
Description : The fine earth covering land surface acts as a reservoir of nutrients and water
Last Answer : Ans. Soil
Description : From the surface of reservoir, evaporation may be minimised by sprinkling (A) Spirit (B) Hydrochloric acid (C) Acetyl alcohol (D) Methane
Last Answer : (C) Acetyl alcohol
Description : For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S
Last Answer : Answer: Option A
Description : The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which "sum of the moment of the resultant force about an ... liquid) (A) 1/(y/3) (B) 2y/3 (C) 1/(y/4) (D) 3y/4
Last Answer : (B) 2y/3
Description : What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir? (A) Penstock (B) Siphon (C) Tunnel (D) Pressure pipeline
Last Answer : (B) Siphon
Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the ... , is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Last Answer : (C) 20 mm
Description : What is function of Oil reservoir,Pressure relief valve, Direction control valve and filters in Hydraulic system.
Last Answer : (i) Oil Reservoir - To store the Hydraulic oil for the circuit (ii) Pressure Relief Valve- To release the extra pressure whenever not required by system (iii) Direction Control Valve- To ... (iv) Filters- To filter the foreign particle from the oil and to separates submicron level contamination
Description : Pick up the incorrect statement from the following: (A) Free surface ground water is subjected to atmospheric pressure (B) Water table surface rises and falls with seasons (C) ... directly proportional to the rate of drawl of water (D) Level of water table remains stationary
Last Answer : (D) Level of water table remains stationary
Description : Hydrodynamic pressure due to earthquake acts at a height of (A) 3H/4 above the base (B) 3H/4 below the water surface (C) 4H/3 above the base (D) 4H below the water surface, where H is the depth of water.
Last Answer : Answer: Option C
Description : If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm", the pressure at a depth of 50 m below the oil surface will be (A) 2 meters of water column (B) 3 meters of water column (C) 5 meters of water column (D) 6 meters of water Column
Last Answer : Answer: Option D
Description : Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be (A) 1000 kg (B) 4000 kg (C) 2000 kg (D) 8000 kg
Description : The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is (A) 2.4 m (B) 3.0 m (C) 4.0 m (D) 5.0 m
Last Answer : Answer: Option B
Description : The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall (1) depends on the thickness of the wall (2) increases with height of the wall (3) increases with depth of the wall (4) depends on the area of the wall
Last Answer : increases with depth of the wall
Description : The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is ... is (A) 100,000 kW (B) 160,000 kW (C) 200,000 kW (D) 320,000 kW
Last Answer : (D) 320,000 kW
Description : The actual temperature drop across the heating surface in an evaporator depends on the (A) Feed (B) Depth of liquid over heating surface (C) Pressure difference between steam chest and vapour space (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The actual temperature drop across the heating surface of an evaporator depends on the (A) Liquid depth over the heating surface (B) Solution being evaporated (C) Pressure difference between the steam chest and the vapor space above the boiling liquid (D) All (A), (B) and (C)
Description : The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) (A) w (B) wh (C) w/h (D) h/w
Description : The point at which the resultant pressure on an immersed surface acts, is known as (A) Centre of gravity (B) Centre of depth (C) Centre of pressure (D) Centre of immersed surface
Description : The intensity of pressure at any point, in a liquid, is (A) Directly proportional to the area of the vessel containing liquid (B) Directly proportional to the depth of liquid from the ... length of the vessel containing liquid (D) Inversely proportional to the depth of liquid from the surface
Description : The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x
Description : The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. (A) Equal (B) Directly proportional (C) Inversely proportional (D) None of these
Description : The intensity of pressure on an immersed surface __________ with the increase in depth. (A) Does not change (B) Increases (C) Decreases (D) None of these
Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +
Description : Tyre pressure influences the (A) Total depth of pavement (B) Quality of surface course (C) Both the above (D) None of the above
Description : The wall of a dam is broader at the base (1) because streamlining is required (2) to withstand pressure that increases with depth (3) to withstand pressure that increases in a horizontal plane (4) to withstand pressure that is increased with atmospheric pressure
Last Answer : (2) to withstand pressure that increases with depth Explanation: Darns are built broader at the base for two reasons. The first is because it needs to be stable enough to support the dam, and two, ... the structure the lower levels of water are at higher pressure than the upper levels of the water.
Description : As depth increases, pressure in a fluid A. increases B. decreases C. remains constant D. varies
Last Answer : increases
Last Answer : to withstand pressure that increases with depth
Description : Pick up the correct statement from the following: (A) The ratio of the total sediment deposited in the reservoir to the total sediment flowing in the river, is called trap efficiency ( ... less (C) Large capacity reservoirs on small rivers generally silt more (D) All the above
Last Answer : (D) All the above
Description : The rate of silting in a reservoir (A) Is less in the beginning (B) Remains constant throughout (C) Is more in the beginning (D) is more in the beginning and reduces in the end
Last Answer : (D) is more in the beginning and reduces in the end
Description : Increase in the BOD of water reservoir is due to
Last Answer : Increase in the BOD of water reservoir is due to A. Algae B. Soil C. Moss D. Waste product
Description : my vehicle i always put water on the reservoir everyday its always empty.?
Last Answer : It sounds like you might have a crack in your radiator or reservoir and will need to get it repaired or replaced.
Description : Do any Keurig coffee machines have a water reservoir?
Last Answer : Yes there are models of the Keurig coffee machine available that have their own water reservoir. They include a tank on the side of the machine that holds approximately 1.5 liters of water.
Description : What is the most important geographic use of the Himalayas to India? (a) Prevention of invasions (b) Valuable source of timber (c) They prevent the monsoons from crossing to the north and also ... of water from which our perennial rivers flow (d) They protect India from the icy cold north winds
Last Answer : Ans: (c)
Description : The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes
Last Answer : (1) Glaciers Explanation: The largest water reservoir is the ocean, containing 97.3% of all water on Earth. Only 2.8 % of all the water on Planet Earth is fresh water. Three-quarters of all ... ice is the second largest reservoir of water on Earth and the largest reservoir of fresh water on Earth!
Description : Energy stored in a water reservoir is?
Last Answer : Potential Energy
Description : Which is the largest reservoir of sweet water
Last Answer : Glacier
Description : What is/are the basic purpose(s) of dams? A. Storage of water in a large reservoir B. Generation of electricity C. Control of floods D. All of the above (Answer)
Last Answer : D. All of the above (Answer)
Description : Natural reservoir of phosphorus is (a) rock (b) fossils (c) sea water (d) animal bones.
Last Answer : (a) rock
Description : The major reservoir of water is, A. Rivers. B. Underground water. C. Lakes. D. Dams.
Last Answer : A. Rivers
Description : The order of existence of three portions of water in a reservoir from the bottom to top is (A) Useful storage + surcharge storage + dead storage (B) Useful storage + dead storage + ... Dead storage + useful storage + surcharge storage (D) Surcharge storage + useful storage + dead storage
Last Answer : (C) Dead storage + useful storage + surcharge storage
Description : Critical time for developing a water hammer, is the time required for (A) Closing the valve (B) The wave to travel from valve to the reservoir (C) The wave to travel from the valve to the reservoir and back (D) None of these
Last Answer : (C) The wave to travel from the valve to the reservoir and back
Description : When gravity and pumping systems of water distribution are adopted, the type of distribution reservoir, is (A) Elevated tank (B) Ground source reservoir (C) Intz tank (D) Stand pipe
Last Answer : (A) Elevated tank
Description : Pick up the correct statement from the following: (A) If ports are closed, the dry intake towers will not have any water (B) Even if ports are closed, the wet intake tower will have water ... to reservoir level (C) No buoyant force acts on wet intake towers (D) All the above
Description : A centrifugal pump is required to be primed before starting if it is located (A) At higher level than water level of reservoir (B) At lower level than water level of reservoir (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (A) At higher level than water level of reservoir
Description : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the ... the water horse power of the pump is (A) 400 (B) 450 (C) 500 (D) 600
Last Answer : (D) 600
Description : A masonry dam (density = 20,000 N/m3 ) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be (A) 75 N/m2 (B) 750 N/m2 (C) 7500 N/m2 (D) 75000 N/m
Last Answer : (C) 7500 N/m
Description : Hydrology helps in (A) Predicting maximum flows (B) Deciding the minimum reservoir capacity (C) Forecasting the availability of quantity of water at reservoir site (D) All the above
Description : Which of the following is not a part of a boiler a) burner the combination b) chamber c) water reservoir d) None above
Last Answer : c) water reservoir