Description : Specific yield of well is a) Discharge per unit time b) Yield of well per metre of drawdown* c) Velocity of water per unit time d)None of the above
Last Answer : b) Yield of well per metre of drawdown*
Description : The water level in an open well was depressed by pumping 2.5 m and recuperated 2.87 m in 3 hours and 50 minutes. The yield of the well per minute is (A) 0.0033 (B) 0.0044 (C) 0.0055 (D) 0.0066
Last Answer : (C) 0.0055
Description : A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is ... 1.185 m2 /minute (B) 1.285 m2 /minute (C) 1.385 m2 /minute (D) 1.485 m2 /minute
Last Answer : Answer: Option C
Description : While determining the yield of open wells by the pumping test (A) Velocity of recharging water, increases with depression head (B) Depression head resulting at critical velocity, is called critical ... (D) Maximum safe yield of an open well, is expected at critical depression head
Last Answer : (D) Maximum safe yield of an open well, is expected at critical depression head
Description : Pick up the correct statement from the following: (A) The water level in a still well, represents the ground water table level (B) The difference between water table level and the water ... water table surrounding a well during pumping, forms a cone of depression (D) All the above
Last Answer : (D) All the above
Description : Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. (A) ... the pump (C) Head of the liquid pumped (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
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
Last Answer : Answer: Option A
Description : The ratio between marketable crop yield and water used in evapotranspiration is known as– 1) Field water use efficiency 2) Economic irrigation efficiency 3) Consumptive use efficiency 4) Water use efficiency
Last Answer : 1) Field water use efficiency
Description : The surface joining the static levels in several non-pumping wells penetrating a continuous confined aquifer represents (a) Water-table surface (b) Capillary fringe (c) Piezometric surface of the aquifer (d) Physical top surface of the aquifer
Last Answer : (c) Piezometric surface of the aquifer
Description : Specific capacity or yield of wells, is generally expressed, as (A) m 3 per sec (B) m 3 /hour (C) m 3 /hour/m2 (D) m 3 /hour/m2 /m
Last Answer : (D) m 3 /hour/m2 /m
Description : A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp). (A) Less head & capacity (B) More head (C) More capacity (D) Less head & more capacity
Last Answer : (A) Less head & capacity
Description : Fresh water prawns yield eggs at (a) 100 nos./g (b) 500 nos./g (c) 1000 nos./g (d) 5000 nos./g
Last Answer : (c) 1000 nos./g
Description : Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity? (a) Mewati (b) Tharparkar (c) Kankrej (d) Red Sindhi
Last Answer : Ans: (b)
Description : Pick up the correct statement from the following: (A) The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield (B) The ratio of volume ... ) The sum of specific yield and specific retention, is equal to porosity (D) All the above
Description : What is the yield of royal papaya per hectare ?
Last Answer : Yield of Shahi papaya is 40-50 tons per hectare.
Description : What is the special yield of environment zone-19 ?
Last Answer : Special crop of environment zone-19 Bona Aman.
Description : In which part of the country mango yield is good ?
Last Answer : Mango yield is good in Rajshahi region of this country.
Last Answer : : The yield of spinach is higher in early winter.
Description : C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation
Last Answer : (B) Less photorespiration
Description : How much tomato average production (q.) may be yield from one hectare ? (A) 100 (B) 105-150 (C) 250 (D) 160-275
Last Answer : (D) 160-275
Description : Which of the State produces maximum per hectare yield of sugarcane in India ? (A) U.P. (B) Bihar (C) Punjab (D) Tamil Nadu
Last Answer : (D) Tamil Nadu
Description : The process of judicious removal of parts like leaf, flower, fruits etc. to obtain good and qualitative yield is called? a. Training b. Pruning c. Fustigation d. Sedimentation e. None of these
Last Answer : b. Pruning
Description : ln which season is the highest yield of Maize obtained (a) Zaid (b) Kharif (c) Rabi (d) All of these
Last Answer : (b) Kharif
Description : Crop rotation helps to a) lessen use of pesticides b) yield more crops c) produce a greater choice of plant products d) eliminate parasites which have selective hosts
Last Answer : d) eliminate parasites which have selective hosts
Description : Average Maize yield in India is (a) 1000 kg/ha (b) 1800 kg/ha (c) 2500 kg/ha (d) 4000 kg/ ha
Last Answer : (c) 2500 kg/ha
Description : Soybean is called a wonder crop because it is: (a) An excellent protein source (b) An excellent oilseed crop (c) High yield potential (d) Both a and b
Last Answer : (d) Both a and b
Description : Application of Phosphorus and Sulphur increase a Better nodulation b Better growth c Better yield d All
Last Answer : d All
Description : pH that is suitable for highest yield in cauliflower is? a 4.5 -5.5 b 5.5 -6.5 c 4-5 d 6.5-7
Last Answer : b 5.5 -6.5
Description : Specific yield of a well is (A) Quantity of water than can be drawn from the well (B) Flow of water per unit time (C) Total quantity of water available in the well (D) Quantity of water per unit time per unit draw-down
Last Answer : (C) Total quantity of water available in the well
Description : Which of the following is used for pumping crude oil from oil well? (A) Single stage centrifugal pump (B) Gear pump (C) Screw pump (D) Duplex/triplex reciprocating pump
Last Answer : (D) Duplex/triplex reciprocating pump
Description : S1 and S2 are the draw downs in an observation well at times t1 and t2 after pumping. For discharge Q and coefficient of transmissibility T, the relationship, is (A) S2 - S1 = (2.3Q/ ) log10 (t2/t1) (B) S2 - S1 ... - S1 = (2.3Q/4 ) loge (t2/t1) (D) S2 - S1 = (2.3Q/4 ) loge (t1/t2
Last Answer : (B) S2 - S1 = (2.3Q/4 ) log10 (t2/t1)
Description : Corrosion of well pipes may not be reduced by (A) Reducing the draw down and the pumping rate (B) Reducing the flow velocity (C) Using thicker pipes (D) Using screens having larger area of openings
Last Answer : (D) Using screens having larger area of openings
Description : When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the ... (A) 0.0005 cm/sec (B) 0.001 cm/sec (C) 0.002 cm/sec (D) 0.01 cm/sec
Last Answer : Answer: Option B
Description : When using a pumping loop to mix two miscible fluids in a tank, when can the content are considered well mixed?
Last Answer : A rule of thumb is to turn the tank over three (3) times and then sample the tank for mixture properties. By “turn the tank over”, we mean to force the entire volume of the tank through the pump at least three times. More turnovers may be necessary, but three times is a good starting point.
Description : The yield point in static loading is ............... as compared to fatigue loading. (a) higher (b) lower (c) same
Last Answer : (a) higher
Description : When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied (A) By pumping system (B) By gravitational system (C) Both (a) and (b) (D) All the above
Last Answer : (B) By gravitational system
Description : Pick up the correct statement from the following: (A) The ratio of total volume of voids in soil aggregates to the total volume of aggregate, is called Porosity (B) Water retained by the interstices ... (C) Sum of the percentage of specific yield and specific retention is 100 (D) All the above
Last Answer : Answer: Option D
Description : The quantity of water retained by the sub-soil against gravity, is known (A) Yield (B) Porosity (C) Specific yield (D) Specific retention
Description : Which of the following soil type has the highest field capacity ? (A) Loam (B) Silty loam (C) Clayey loam (D) Clay
Last Answer : (D) Clay
Description : What is the field capacity of an Indigenous Plough? [a] 0.4 ha per day of 8 hours [b] 0.6 ha per day of 8 hours [c] 0.8 ha per day of 8 hours [d] 0.2 ha per day of 8 hours
Last Answer : [a] 0.4 ha per day of 8 hours
Description : The inherent capacity of soil to provide essential chemical elements for the growth of plants is termed as – a. Soil Productivity b. Soil Fertility c. Soil capacity d. Soil flexibility e. Soil Utility
Last Answer : b. Soil Fertility
Description : Which of the following is correct about the photorespiration? a. Photorespiration is more efficient in synthesizing glucose than photosynthesis. b. C3 plants are best adapted to handle c. ... During photorespiration plants use oxygen to break down carbohydrates and release e. All of these
Last Answer : c. Photorespiration is likely to occur when oxygen level is high and CO2 level is
Description : In order to find the specific heat capacity of an unknown material a 50 g piece is heated to 80 degrees Celsius and fully immersed in a well insulated calorimeter filled with 100 g of water at 10 degr?
Last Answer : Assuming that the full question, which the questioner failed to post, is given in the Discussion, below.Taking the specific heat capacity of water as 4.2 Joules per gram per degree C, the metal has a specific heat capacity as approx 0.68 Joules/(g °C).
Description : Arsenic concentration has been on an increase in the ground water of certain areas in Bihar and West Bengal due to: 1. acid rain 2. excessive pumping of ground water 3. industrial pollution 4. leaching of agricultural land The correct ... ) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(a)
Description : Pick up the correct statement from the following: (A) Air lift pumps are generally used for pumping water from deep wells (B) Jet pumps are generally used for pumping water from small wells (C) The hydraulic ram works on the principle of water hammer (D) All the above
Description : The specific heat of water is (A) 0.5 Cal/g (B) 2 Cal/g (C) 1 Cal/g (D) 4 Cal/g
Last Answer : (C) 1 Cal/g
Description : 1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m2 and the overall heat transfer co-efficient to the ... will be (A) 15 min (B) 22 min (C) 44 min (D) 51 min
Last Answer : (D) 51 min
Description : Question No. 216 If the specific capacity of a well is 0.3183 × 10-3 per sec, the discharge from a well of 4 m diameter under a depression head of 4 m, is (A) 8 litres/sec (B) 10 litres/sec (C) 12 litres/sec (D) 16 litres/sec
Last Answer : (D) 16 litres/sec
Description : Pick up the correct statement from the following: (A) Head loss in smaller size pipes at equal velocities, is less (B) Cost of pumping is less in smaller size pipes (C) Cost of smaller pipes is comparatively more (D) None of these
Last Answer : (D) None of these
Description : Insecticides are specific inhibitors of— (A) Excretory system (B) Digestive system (C) Nervous system (D) Blood Circulatory system
Last Answer : (D) Blood Circulatory system