What is the ideal temperature range for fish farming a. Less than 15 oC b. 20-30 oC c. 30-40 oC d. 15-20 Oc

What is the ideal temperature range for fish farming
a. Less than 15 oC
b. 20-30 oC
c. 30-40 oC
d. 15-20 Oc
by

1 Answer

Answer :

b. 20-30 oC
by

Related questions

In potato cultivation what should be the ideal distance between plantation of two tubers? a. 30 – 35 cm b. 05 – 10 cm c. 35 – 40 cm d. 15 – 20 cm

Description : In potato cultivation what should be the ideal distance between plantation of two tubers? a. 30 – 35 cm b. 05 – 10 cm c. 35 – 40 cm d. 15 – 20 cm

Last Answer : d. 15 – 20 cm

In mixed farming at least — % gross income contributed by livestocks. a. 10 b. 20 c. 30 d. 40

Description : In mixed farming at least — % gross income contributed by livestocks. a. 10 b. 20 c. 30 d. 40

Last Answer : a. 10

The optimum temperature for the germination of soybean is: (a) 11 OC (b) 20 OC(c) 15 OC (d) 22 OC

Description : The optimum temperature for the germination of soybean is: (a) 11 OC (b) 20 OC(c) 15 OC (d) 22 OC

Last Answer : (d) 22 OC

In the above `Delta ABC` ( not to scale ), OA is the angle bisector of `/_ BAC` . If `OB=OC,/_OAC=40^(@)` and `/_ ABO=20^(@)`. If `/_ OCB=(1)/(2) /_ A

Description : In the above `Delta ABC` ( not to scale ), OA is the angle bisector of `/_ BAC` . If `OB=OC,/_OAC=40^(@)` and `/_ ABO=20^(@)`. If `/_ OCB=(1)/(2) /_ A

Last Answer : In the above `Delta ABC` ( not to scale ), OA is the angle bisector of `/_ BAC` . If `OB=OC,/_OAC=40^(@) ... OCB=(1)/(2) /_ ACO,` then find `/_ BOC.`

Seed rate of lentil crop is —kg/ha a. 12 to 15 b. 20 to 25 c. 30 to 40 d. 45 to 50

Description : Seed rate of lentil crop is —kg/ha a. 12 to 15 b. 20 to 25 c. 30 to 40 d. 45 to 50

Last Answer : c. 30 to 40

Calculate the recoverable waste heat (Q, in kCal/hour) from flue gases using the followingparameters: V (flow rate of the substance) 2000 m3/hr r (density of the flue gas): 0.9 kg/m3 Cp (specific heat of the substance): 0.20 kCal/kg oC DT (temperature difference): 120 oC h (recovery factor): 50% a. 21600 b. 43200 c. 25600 d. 34000

Description : Calculate the recoverable waste heat (Q, in kCal/hour) from flue gases using the followingparameters: V (flow rate of the substance) 2000 m3/hr r (density of the flue gas): 0.9 kg/m3 Cp (specific heat ... (temperature difference): 120 oC h (recovery factor): 50% a. 21600 b. 43200 c. 25600 d. 34000

Last Answer : 21600

Agri-based integrated fish farming system contains which of the following? a. Cattle-Fish system b. Duck-Fish system c. Goat-Fish system d. Mushroom-Fish system

Description : Agri-based integrated fish farming system contains which of the following? a. Cattle-Fish system b. Duck-Fish system c. Goat-Fish system d. Mushroom-Fish system

Last Answer : d. Mushroom-Fish system

Agri-based integrated fish farming system contains which of the following? a. Cattle-Fish system b. Duck-Fish system c. Goat-Fish system d. Mushroom-Fish system

Description : Agri-based integrated fish farming system contains which of the following? a. Cattle-Fish system b. Duck-Fish system c. Goat-Fish system d. Mushroom-Fish system

Last Answer : d. Mushroom-Fish system

What is the optimum temperature requirement for Germination in rice? a. 25-30 o C b. 30-35 o C c. 20-35 o C d. 15-20 o C

Description : What is the optimum temperature requirement for Germination in rice? a. 25-30 o C b. 30-35 o C c. 20-35 o C d. 15-20 o C

Last Answer : c. 20-35 o C

What is the optimum temperature requirement for Germination in rice? a. 25-30 o C b. 30-35 o C c. 20-35 o C d. 15-20 o C

Description : What is the optimum temperature requirement for Germination in rice? a. 25-30 o C b. 30-35 o C c. 20-35 o C d. 15-20 o C

Last Answer : c. 20-35 o C

n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40

Description : The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40

Last Answer : Answer : B

Dry land farming in India is largely confined to areas with rainfall less than - a. 100 cm b. 85 cm c. 80 cm d. 75 cm

Description : Dry land farming in India is largely confined to areas with rainfall less than - a. 100 cm b. 85 cm c. 80 cm d. 75 cm

Last Answer : d. 75 cm

In Dry farming, what is the annual rainfall (in mm) available? a. A Less than 550 mm b. B Less than 500 mm c. C Less than 950 mm d. D Less than 750 mm

Description : In Dry farming, what is the annual rainfall (in mm) available? a. A Less than 550 mm b. B Less than 500 mm c. C Less than 950 mm d. D Less than 750 mm

Last Answer : d. D Less than 750 mm

Aquaculture facilities cultivate approximately ____ different species of fish and shellfish and grow a variety of aquatic plants. a. 20 c. 10 b. 30 d. 40

Description : Aquaculture facilities cultivate approximately ____ different species of fish and shellfish and grow a variety of aquatic plants. a. 20 c. 10 b. 30 d. 40

Last Answer : b. 30

In gram nipping is done at — DAS a. 10 to 20 b. 5 to 10 c. 30 to 40 d. 50 to 60

Description : In gram nipping is done at — DAS a. 10 to 20 b. 5 to 10 c. 30 to 40 d. 50 to 60

Last Answer : c. 30 to 40

Ferrous sulphate contains — % Fe a. 10 b. 20 c. 30 d. 40

Description : Ferrous sulphate contains — % Fe a. 10 b. 20 c. 30 d. 40

Last Answer : b. 20

The minimum TSS content in RTS beverage is — % a. 10 b. 20 c. 30 d. 40

Description : The minimum TSS content in RTS beverage is — % a. 10 b. 20 c. 30 d. 40

Last Answer : a. 10

How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Description : How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Last Answer : The mass of copper is 240 g.Use the following formula:q = m x c x DeltaT,where:q is energy, m is mass, c is specific heat capacity, and DeltaT is the change in temperature.DeltaT = Tfinal-TinititalKnownq = 1200 ... = q/(c x DeltaT)m = 1200/(0.0923 x 55) = 240 g (rounded to two significant figures)

Humans can hear in the range of --- to ----Hertz (Hz).? A. 10 Hz to 10,000 Hz. B. 20 Hz to 20,000 Hz? C. 30 Hz to 30,000 Hz. D. 40 Hz to 40,000 Hz.

Description : Humans can hear in the range of --- to ----Hertz (Hz).? A. 10 Hz to 10,000 Hz. B. 20 Hz to 20,000 Hz? C. 30 Hz to 30,000 Hz. D. 40 Hz to 40,000 Hz.

Last Answer : B. 20 Hz to 20,000 Hz?

The penetration of powered machines in various farm activities is assede in the range of .. to .. a. 40,30. c) 20,40 b. 50,10. d) 40,45

Description : The penetration of powered machines in various farm activities is assede in the range of .. to .. a. 40,30. c) 20,40 b. 50,10. d) 40,45

Last Answer : 40,45

Trommels are revolving screens which normally operate in the range of __________ rpm. (A) 1 - 2 (B) 15 - 20 (C) 40 - 50 (D) 60 - 75

Description : Trommels are revolving screens which normally operate in the range of __________ rpm. (A) 1 - 2 (B) 15 - 20 (C) 40 - 50 (D) 60 - 75

Last Answer : (B) 15 - 20

The major limitation of metallic recuperated is ------- a) Limitation of handling COx, NOx etc. b) Limitation of reduced life for handling temperature more than 1000 oC c) Manufacturing difficulty of the required design d) None of the above

Description : The major limitation of metallic recuperated is ------- a) Limitation of handling COx, NOx etc. b) Limitation of reduced life for handling temperature more than 1000 oC c) Manufacturing difficulty of the required design d) None of the above

Last Answer : Limitation of reduced life for handling temperature more than 1000 oC

How much heat does it take to raise the temperature of 0.10 kg of aluminum by 25 oC?

Description : How much heat does it take to raise the temperature of 0.10 kg of aluminum by 25 oC?

Last Answer : Feel Free to Answer

Typical waste gases temperature from glass melting furnace a) 1000-1550 oC b) 800-950 oC c) 650–750 oC d) 760-815 oC

Description : Typical waste gases temperature from glass melting furnace a) 1000-1550 oC b) 800-950 oC c) 650–750 oC d) 760-815 oC

Last Answer : 1000-1550 oC

Heat recovery equipment will be most effective when the temperature of flue gas is: a) 250oC b) 200 oC c)400 oC d) 280 oC

Description : Heat recovery equipment will be most effective when the temperature of flue gas is: a) 250oC b) 200 oC c)400 oC d) 280 oC

Last Answer : 400 oC

The quantity of heat required to raise the temperature of a given substance by 1 oC is known as: a) sensible heat b) specific heat c) heat capacity d) latent heat

Description : The quantity of heat required to raise the temperature of a given substance by 1 oC is known as: a) sensible heat b) specific heat c) heat capacity d) latent heat

Last Answer : specific heat specific heat is the quantity of heat required to raise the temperature of 1 gram substance by 1 oC is

Identify the correct statement for air compressors. a. For every 5.5oC drop in the inlet air temperature, the increase in energy consumption is by 2%. b. For every 4 oC rise in the inlet air temperature, the decrease in energy consumption is by 1% c. For every 4 oC rise in the inter air temperature, the increase in energy consumption is by 1% d. The energy consumption remains same irrespective of inlet air temperature

Description : Identify the correct statement for air compressors. a. For every 5.5oC drop in the inlet air temperature, the increase in energy consumption is by 2%. b. For every 4 oC rise in ... increase in energy consumption is by 1% d. The energy consumption remains same irrespective of inlet air temperature 

Last Answer : c. For every 4 oC rise in the inter air temperature, the increase in energy consumption is by 1% 

On average, Americans eat about ____ pounds of fish and shellfish each year. a. 15 c. 20 b. 5 d. 30

Description : On average, Americans eat about ____ pounds of fish and shellfish each year. a. 15 c. 20 b. 5 d. 30

Last Answer : a. 15

In Wet bed rice nursery, seedling is ready for transplanting in — days a. 10 to 15 b. 15 to 20 c. 20 to 25 d. 25 to 30

Description : In Wet bed rice nursery, seedling is ready for transplanting in — days a. 10 to 15 b. 15 to 20 c. 20 to 25 d. 25 to 30

Last Answer : c. 20 to 25

A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the force exerted by the jet on the plate would be in the range a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Description : A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the ... a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Last Answer : a. 15 - 20 kg

Find the range of the given data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 -Maths 9th

Description : Find the range of the given data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 -Maths 9th

Last Answer : Here, the minimum and maximum values of given data are 6 and 32 respectively. Range = 32 – 6 = 26

Find the range of the given data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 -Maths 9th

Description : Find the range of the given data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 -Maths 9th

Last Answer : Here, the minimum and maximum values of given data are 6 and 32 respectively. Range = 32 – 6 = 26

The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is -Maths 9th

Description : The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is -Maths 9th

Last Answer : In conclusion, the range of data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, and 20 is 26.

The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is -Maths 9th

Description : The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is -Maths 9th

Last Answer : (d) In a given data, maximum value = 32 and minimum value = 6 We know, range of the data = maximum value – minimum value = 32 – 6 = 26 Hence, the range of the given data is 26.

Find the range of the data : 14, 15, 16, 18, 19, 25, 30, 41, 26, 16, 13, 18, 20 and 26.

Description : Find the range of the data : 14, 15, 16, 18, 19, 25, 30, 41, 26, 16, 13, 18, 20 and 26.

Last Answer : Find the range of the data : 14, 15, 16, 18, 19, 25, 30, 41, 26, 16, 13, 18, 20 and 26.

In Pakistan, yield of potato range between : a. 10-15 ton b. 15-20 ton c. 20-25 ton d. 25-30 ton

Description : In Pakistan, yield of potato range between : a. 10-15 ton b. 15-20 ton c. 20-25 ton d. 25-30 ton

Last Answer : 20-25 ton

For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than (A) 15 mm (B) 25 mm (C) 30 mm (D) 40 mm

Description : For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than (A) 15 mm (B) 25 mm (C) 30 mm (D) 40 mm

Last Answer : Answer: Option D

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

The total Glucose in the body is ________ gms. (A) 10–15 (B) 20–30 (C) 40–50 (D) 60–80

Description : The total Glucose in the body is ________ gms. (A) 10–15 (B) 20–30 (C) 40–50 (D) 60–80

Last Answer : B

The design period of sewage treatment works in normally A. 5 – 10 years B. 15 – 20 years C. 30 – 40 years D. 40 – 50 years

Description : The design period of sewage treatment works in normally A. 5 – 10 years B. 15 – 20 years C. 30 – 40 years D. 40 – 50 years

Last Answer : ANS: B

The optimum seed rate of Blackgram in rice fallows of Andhra Pradesh ( Kg/ha) a] 10-15 b] 15-20 c] 25-30 d] 40-5

Description : The optimum seed rate of Blackgram in rice fallows of Andhra Pradesh ( Kg/ha) a] 10-15 b] 15-20 c] 25-30 d] 40-5

Last Answer : d] 40-50

In India post-harvest losses of fruit and vegetable is… per cent of the total production. a) 15-20 b) 50-50 c) 40-45 d) 25-30

Description : In India post-harvest losses of fruit and vegetable is… per cent of the total production. a) 15-20 b) 50-50 c) 40-45 d) 25-30

Last Answer : a) 15-20

What is the size of Basin (sqm) in Check Basin Method of Irrigation? [a] 05- 20 sqm [b] 15- 30 sqm [c] 20- 35 sqm [d] 25- 40 sqm [e] None of the above

Description : What is the size of Basin (sqm) in Check Basin Method of Irrigation? [a] 05- 20 sqm [b] 15- 30 sqm [c] 20- 35 sqm [d] 25- 40 sqm [e] None of the above

Last Answer : [c] 20- 35 sqm

The duration of contact of chlorine with water before it is served to the first consumer, should be at least (A) 10 to 15 minutes (B) 15 to 20 minutes (C) 20 to 30 minutes (D) 30 to 40 minutes

Description : The duration of contact of chlorine with water before it is served to the first consumer, should be  at least  (A) 10 to 15 minutes  (B) 15 to 20 minutes  (C) 20 to 30 minutes  (D) 30 to 40 minutes 

Last Answer : (C) 20 to 30 minutes 

Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm

Description : Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm  focal length. The focal length of the combination is  (A) 10 cm  (B) 20 cm  (C) 30 cm  (D) 40 cm 

Last Answer : (C) 30 cm 

Minimum permissible speed on high speed roads, is decided on the basis of (A) 15 percentile cumulative frequency (B) 20 percentile cumulative frequency (C) 30 percentile cumulative frequency (D) 40 percentile cumulative frequency

Description : Minimum permissible speed on high speed roads, is decided on the basis of (A) 15 percentile cumulative frequency (B) 20 percentile cumulative frequency (C) 30 percentile cumulative frequency (D) 40 percentile cumulative frequency

Last Answer : Answer: Option A

From the point of tangency before an intersection, the route markers are fixed at a distance of (A) 15 m to 30 m (B) 20 m to 35 m (C) 40 m to 50 m (D) 100 m to 150

Description : From the point of tangency before an intersection, the route markers are fixed at a distance of (A) 15 m to 30 m (B) 20 m to 35 m (C) 40 m to 50 m (D) 100 m to 150

Last Answer : Answer: Option D

The bearing capacity of granite is generally (A) 5 to 10 kg/cm2 (B) 15 to 20 kg/cm2 (C) 30 to 35 kg/cm2 (D) 40 to 45 kg/cm2

Description : The bearing capacity of granite is generally (A) 5 to 10 kg/cm2 (B) 15 to 20 kg/cm2 (C) 30 to 35 kg/cm2 (D) 40 to 45 kg/cm2

Last Answer : Answer: Option C

The spacing between the discs in the gang bolt ranges cm for lighy duty and cm heavy -duty harrows i. 15-25 and 25-30 c) 40-45 and 45-50 ii. 20-30 and 30-40. d) 15-25 and 32-36

Description : The spacing between the discs in the gang bolt ranges cm for lighy duty and cm heavy -duty harrows i. 15-25 and 25-30 c) 40-45 and 45-50 ii. 20-30 and 30-40. d) 15-25 and 32-36

Last Answer : 15-25 and 25-30