Description : In case of non-availability of space due to topography, the most suitable spillway is (A) Straight drop spillway (B) Shaft spillway (C) Chute spillway (D) Ogee spillway
Last Answer : Answer: Option B
Description : A weir, generally, used as a spillway of a dam is (A) Narrow crested weir (B) Broad crested weir (C) Ogee weir (D) Submerged weir
Last Answer : Answer: Option C
Description : The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are (A) At right angle and parallel to weir crest (B) Parallel and at right angle to weir crest (C) Parallel to weir crest in both (D) At right angle to weir crest in both
Last Answer : Answer: Option A
Description : Coefficient of discharge of an ogee spillway (A) Depends on depth of approach and upstream slope (B) Depends on downstream apron interference and downstream submergence (C) Remains constant (D) Both (A) and (B
Last Answer : Answer: Option D
Description : In a chute spillway, the flow is usually (A) Uniform (B) Subcritical (C) Critical (D) Super critical
Description : Seepage through foundation in an earthen dam is controlled by providing (A) Rock toe (B) Horizontal blanket (C) Impervious cut off (D) Chimney drain
Description : For the upstream face of an earthen dam, the most adverse condition for stability of slope is (A) Sudden drawdown (B) Steady seepage (C) During construction (D) Sloughing of slope
Description : Seepage through embankments in an earthen dam is controlled by (A) Drainage filters (B) Relief wells (C) Drain trenches (D) Provision of downstream berms
Description : When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as (A) Narrow-crested weir (B) Broad-crested weir (C) Ogee weir (D) Submerged weir
Description : The earthen embankments constructed parallel to the river banks at some suitable distance for flood control, are known as (A) Floods walls (B) Dikes (C) Levees (D) Both (b) and (c)
Description : Name the longest earthen dam of the World. a) Hirakud Dam b) Singur Dam c) Indravati Dam d) Mettur Dam
Last Answer : a) Hirakud Dam
Description : Explain with neat sketch Phreatic line in earthen dam with pressure head at different point and show construction points of this line.
Last Answer : Procedure for locating the Phreatic line i) Draw an earthen dam having upstream face AB with water surface. ii) On water surface measure distance BC = 0.3 L C is starting pt of base parabola. Let F' ... parabola i.e. Phreatic line. viii) Here G,Q1,Q2,Q3,Q4 and B represent Phreatic line
Description : Explain phreatic line in earthen dam with a sketch.
Last Answer : Phreatic line in earthen dam1.The line in earthen dam section below which there is positive hydrostatic pressure exists. Phreatic line separates the dry and wet part of earthen dam body as it acts as boundry ... toe material. Hence, a rock toe is necessary to avoid removal of toe portion of dam.
Description : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
Last Answer : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
Description : Draw a labelled sketch of Earthen dam
Last Answer : Earthen dam
Description : Pick up the correct statement from the following: (A) The cross fall of the shoulder should be at least 0.5% steeper than camber (B) On super-elevated sections, the shoulders should be provided a ... equal to camber (C) Earthen roads in general are provided steepest cross-fall (D) All the above
Description : 06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree
Last Answer : A
Description : Arches in the form of masonry arcs struck from more than four centres, are called (A) Two curved arches (B) Gothic arches (C) Ogee arches (D) Drop gothic arches
Description : State the function of following with respect to hydro power plant : I) Storage reservoir II) Surge tank II) Spillways IV) Trash rack
Last Answer : I) Storage reservoir: It is the basic requirement of hydroelectric plant. Its purpose is to store water which may be utilized to run the prime mover to produce electrical power. A reservoir stores during ... of nozzles of impulse turbines. It is made of steel bars and is placed across the intake.
Description : The most suitable vessel for storing concentrated sulphuric acid is – (1) Copper vessel (2) Aluminium vessel (3) Glass vessel (4) Earthen vessel
Last Answer : (3) Glass vessel Explanation: Concentrated Sulfuric acid can only be stored in glass, no metal lids, some plastic containers. It will attack anything organic, causing severe burns, the good thing is it ... but if it goes into contact with a metal it may generate hydrogen gas, an explosion risk.
Description : The most suitable vessel for storing concentrated sulphuric acid is (1) Copper vessel (2) Aluminium vessel (3) Glass vessel (4) Earthen vessel
Last Answer : Glass vessel
Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Last Answer : (A) Velocity area method
Description : Most important method for calculating discharge for planning a water supply project, is (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Description : In a group housing project, it is proposed to use pre-fabricated RCC beams and columns. The most useful construction equipment is (a) Derrick Crane (b) Chute (c) Weigh Batcher (d) Transit Mixer
Last Answer : (a) Derrick Crane
Description : The most suitable material for the central impervious core of a zoned embankment type dam is (A) Clay (B) Coarse sand (C) Silty clay (D) Clay mixed with fine sand
Description : As compared to gravity dams, earthen dams (A) Are costlier (B) Are less susceptible to failure (C) Require sound rock foundations (D) Require less skilled labour
Description : Sewer pipes are made of (A) Earthen ware (B) Stone ware (C) Refractory clay (D) All the above
Description : Pick up the correct statement from the following: (A) The baked earth is called terra-cotta (B) The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called ... clays which as mixed with stone and crushed pottery, are called stone ware (D) All the above
Description : Economic height of a dam is the height corresponding to which (A) Cost of the dam per unit of storage is minimum (B) Amount of silting is less (C) Cost of dam per unit storage is maximum (D) Free board provided is least
Last Answer : (A) Cost of the dam per unit of storage is minimum
Description : Will the opening of the Morganza spillway ultimately be beneficial to the bayou?
Last Answer : From a nature viewpoint, it will ultimately be beneficial, but at a cost to the residents.
Description : Define Spillway and Enlist types of spillway
Last Answer : Spillway: It is the overflow portion of every dam , over which the surplus water flows from the upstream side of reservoir to the downstream side of reservoir. It is the safety valve of a ... Chute spillway vi) Shaft spillway vii) Conduit or Tunnel spillway 2. Subsidiary or Emergency Spillway
Description : Why is my garbage chute so dang windy?
Last Answer : The air pressures in your building are not being properly balanced, so that the pressure inside the building is lower than the outside pressures. Usually there are ventilation systems in large buildings like yours to prevent this. Here’s a very technical but very thorough explanation.
Description : I am considering building a trash/laundry chute. What do I need to consider?
Last Answer : You need enough space behind the wall (I assume that's where you're going to put it) to allow the laundry to drop freely. Optimally, it should drop near the washer downstairs. If you have kids, it needs to be ... . My grandmother had one when I was a kid, but I swear it wasn't me shoving the cat in!
Description : How do you prefer to clean your poop chute?
Last Answer : Nothing beats a shower
Description : The arc resulting from the tripping of a circuit breaker is prevented from damaging the contacts by _____________. A. designing the contacts to open slowly B. directing the arc into an ... an inverse timed thermal trip for short circuit currents D. instantaneous magnetic trip for overload currents
Last Answer : Answer: B
Description : What are the functions of arc chute?
Last Answer : To increase the speed of rise of arc by magnetic action. It splits the arc by this arc resistance increases. Diagnosing the arc by cooling.
Description : Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise ... cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Crop factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder types c) Cylinder speed, feed rate d) Cylinder type, feed rate
Last Answer : Variety of crop, Moisture in crop material
Description : Operational factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate
Last Answer : Cylinder speed, feed rate
Description : Machine factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate
Last Answer : Feeding chute angle, cylinder type
Description : Assertion (A): In anti-friction bearings, the frictional resistance is very low as the shaft held by it remains in floating condition by the hydrodynamic pressure developed by the lubricant. [IES-2006] Reason (R): In hydrodynamic ... of A (c) A is true but R is false (d) A is false but R is true
Last Answer : (d) A is false but R is true
Description : What do you know about building or living in an earthen home?
Last Answer : answer::D I saw earthen home and was about to rant and rave about hobbit houses and how much I would love to live in them, but you already have that covered! They wouldn't need a/c, ... to nearly as significant a degree as modern homes and subdivisions. Gaaahhhh!!! Hobbit houses are my dream home.
Last Answer : Evaporation is the cause of cooling of water in earthen jars. When a liquid evaporates, its temperature decreases. The heat required for evaporation is supplied by the liquid. The heat of the liquid decreases due ... water. The feeling of cold is felt as soon as you put your hand on the earthen jar.
Description : Asiatic Society of Bengal in 1784., Tribal Settlements., Earthen Jars in Marathi.
Last Answer : Write the names of historical places, persons, and events: 1. Asiatic Society of Bengal in 1784. 2. Tribal Settlements. 3. Earthen Jars in Marathi.
Description : Excavations at Moenjo Daro have revealed in earthen vessels: A. Millet grains B. Lentils C. Rice grains D. None
Last Answer : ANSWER: A
Description : Water remains cool in earthen pitcher.
Last Answer : Ans: This occurs due to the process of evaporation. Water gets cooled on evaporation. As the earthenware pitcher is concerned, they have small pores. Water tends to come out of pores and evaporates which ... Besides metal has tendency to absorb heat that why water does not get cooled in a metal pot.
Description : Give scientific reasons (in not more than four lines each) for the following: (i) Meat takes longer to cook on the mountains (ii) Water remains cool in earthen pitchers (iii) Ice and salt ... to sleep under trees during the night. (v) Greenhouse operators paint their glass roofs white in summer.
Last Answer : (i) Meat takes longer to cook on the mountains: The atmospheric pressure decreases as the altitude increases. The boiling point of water is 100 c at standard atmospheric pressure. At the mountains this ... of light to a maximum. And therefore white colour is painted on the roofs in the summer.
Description : Give reason: Pickle is stored in ceramic jars but not in earthen pots.
Last Answer : Pickles contain oil and salt. If they are stored in earthen jars (without glazing), oil will ooze out of the pores and start leaking. In ceramic jars with glazing, oil will not leak so pickles are stored in ceramic jars.
Description : Two small identical earthen pots A and B are taken. Paint is smeared thoroughly on pot A. Equal quantity of water is filled in both pots till the brim. In which pot the water will be cold? Why?
Last Answer : In pot B water will be colder than that of pot A. In pot A, paint is smeared. The pores are closed. So water drops cannot evaporate through the walls. In pot B which is unpainted water evaporates and has cooling effect on the water inside.
Description : Give reason: Water in an earthen pot will become cooler.
Last Answer : An earthen pot has a number of pores. Water oozes out of the pores and gets evaporated. This has a cooling effect on the water inside.