Description : The heat flux (from outside to inside) across an insulating wall with thermal conductivity, K = 0.04 W/m.°K and thickness 0.16m is 10 W/m2 . The temperature of the inside wall is - 5°C. The outside wall temperature is (A) 25°C (B) 30°C (C) 35°C (D) 40°C
Last Answer : (C) 35°C
Description : Optimum temperature for potato tuber formation is a. 20-22°C b. 25-30°C c. 22-25°C d. All of these
Last Answer : 20-22°C
Description : The optimum cardinal temparature point for germination of rice seeds is– 1) 20°C – 25°C 2) 18°C – 22°C 3) 30°C – 32°C 4) 37°C – 39°C
Last Answer : 1) 20°C – 25°C
Description : Potato tuber growth is stopped at what temperature ? (a) 40°C — 42°C (b) 30°C — 32°C (c) 35°C — 37°C (d) 38°C – 40°C
Last Answer : (b) 30°C — 32°C
Description : Other things being suitable, what level of temperature is considered ideal for optimum growth of banana crop ? (A) 36°C (B) 18°C (C) 30°C (D) 12°C (E) 27°C
Last Answer : (C) 30°C
Description : The optimum temperature for the Banana crop is— (A) 30°C (B) 23°C (C) 21•5°C (D) 26•5°C
Last Answer : (B) 23°C
Description : Which of the following are optimum temperature conditions for making benzenediazonium chloride from aniline? (a) 0°C to 10°C (b) 20°C to 25°C (c) 30°C to 40°C (d) 45°C to 50°C
Last Answer : 0°C to 10°C
Description : High seed germination in cucumber occurs under temperature range of: a. 20-25°C b. 25-30°C c. 15-25°C d. None of above
Last Answer : 20-25°C
Description : Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled (A) And ... (C) At the same relative humidity (D) And dehumidified with decrease in wet bulb temperature
Last Answer : (D) And dehumidified with decrease in wet bulb temperature
Description : The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25
Last Answer : (B) > 25
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
Description : The average temperature of sewage in India, is A. 10°C B. 15°C C. 20°C D. 25°C
Last Answer : ANS: C
Description : 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of A. 0°C B. 15°C C. 20°C D. 25°C
Description : Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be (A) Cooled (B) Humidified (C) Both (A) & (B) (D) Dehumidified
Last Answer : (B) Humidified
Description : A mixture of 10% C6H6 vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. (A) 21.7 (B) 20 (C) 27.3 (D) 18.7
Last Answer : (D) 18.7
Description : Optimum temperature for cool season vegetables is: a. 25-30°C b. 25-27°C c. 18-24°C d. 15-20°C
Last Answer : 18-24°C
Description : The optimum temperature for sugarcane is (a) 21-27 °C (b) 14-29 °C (c) 25-30 °C (d) 28-34 °C
Last Answer : (b) 14-29 °C
Description : A thin, flat & square plate measuring 2 m 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will ... heat transfer co-efficient is __________ W/m2 °C. (A) 50 (B) 100 (C) 150 (D) 200
Last Answer : (B) 100
Description : Process conditions in fermentator used for production of penicillin is (A) 25°C, 2 atm (B) 50°C, l0 atm (C) 30°C, 200 mm Hg (absolute) (D) 90°C, 45 atm
Last Answer : (A) 25°C, 2 atm
Description : Hatchling of ferlized eggs takes place at a 21 days, 35°c b 21 days,38°c c 23 days,35°c d 23 days,38°c
Last Answer : b 21 days,38°c
Description : Which crop requires maximum amount of nitrogen ? (A) Potato (B) Wheat (C) Barley (D) Sugarcane
Last Answer : (D) Sugarcane
Description : Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ? A. Temperature of about 25°C B. Temperature of about 5°C C. Relative humidity of about 5% D. Relative humidity of about 95% ... b) A, C and E only (c) A, D and E only (d) B, D and E only
Last Answer : (c) A, D and E only
Description : The optimum temperature range for sowing of wheat crop
Last Answer : Ans.20 to 25°C
Description : Optimum temperature of DNA polymerase of T. aquaticus is (A) 30°C (B) 37°C (C) 54°C (D) 72°C
Last Answer : Answer : D
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
Description : The fertilized eggs of Catla take about _ to _ hrs for hatching at 30°C (a) 10 to 12 (b) 12 to 14 (c) 14 to 18 (d) 18 to 24
Last Answer : (d) 18 to 24
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
Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25
Last Answer : (B) 34.4
Description : Maximum moisture content for safe storage in wheat seed is (a) 12 (b) 15 (c) 7 (d) 20
Last Answer : (a) 12
Description : The crop having the highest pesticide use is (A) Cotton (B) Oilseeds (C) Rice (D) Wheat
Last Answer : (A) Cotton
Description : Which state of India leads in area under wheat crop? (A)Punjab (B) MP (C) UP (D) Rajasthan
Last Answer : (C) UP
Description : Wheat is a— (A) Cash crop (B) Cereal crop (C) Covered crop (D) None of these
Last Answer : (B) Cereal crop
Description : Among the critical stages, the most critical stage of wheat crop for irrigation is—(A) CRI–Crown Root Initiation stage (B) Tillering stage (C) Jointing stage (D) Flowering stage
Last Answer : (A) CRI–Crown Root Initiation stage
Description : Among the following crop rotations, which is good for increasing soil nutrient status? a. Rice- wheat b. Groundnut- wheat c. Pearl millet- wheat d. Sorgham- wheat e. None of these
Last Answer : b. Groundnut- wheat
Description : Which of the following is not a plantation crop? a. Coffee b. Sugarcane c. Wheat d. Rubber
Last Answer : d. Rubber
Description : The Principal cereal crop of India is? a. Barley b. Sorghum c. Rice d. Wheat e. Oats
Last Answer : c. Rice
Description : Which of the following is an example of a weed of rabi season that infest wheat crop? (a) Chenopodium (b) Motha (c) Jangali jowar (d) None of the above
Last Answer : (a) Chenopodium
Description : The principal cereal crop of India is (a) wheat (b) rice (c) barley (d) sorghum
Last Answer : (b) rice
Description : Which crop is sown in the largest area in M.P ? (a) Jowar (b) Soyabeen (c) Rice d) Wheat
Last Answer : (c) Rice
Description : Which one of the following can be suitable for cropping as a wheat mixed crop? 1) Cabbage 2) Cotton 3) Mustard 4) Jowar
Last Answer : 3) Mustard
Description : Among the following crop rotations, which is good for increasing soil Nutrient status? 1) Rice-Wheat 2) Groundnut-Wheat 3) Pearlmillet-Wheat 4) Sorghum-Wheat
Last Answer : 2) Groundnut-Wheat
Description : In Jute growing areas the usual alternate crop is – a) Cotton b) Wheat c) Sugarcane d) Rice
Last Answer : d) Rice
Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50
Last Answer : (a) 20-40: 50-60: 30-40
Description : Wheat and bajra have critical period of crop-weed competition a).10-20 days b).15-30 days c). 30-45 days d). 20-40 days
Last Answer : c). 30-45 days
Description : The solution of radiator should be drained out when the engine has run for a) 10 to 15 minutes b) 15 to 20 minutes c) 20 to 25 minutes d) 25 to 30 minutes
Last Answer : b) 15 to 20 minutes
Description : ____ is a weather-based indicator for assessing crop development [a] Growing Degree Days [b] Thermal Death Point [c] Sun Clad [d] Heat Units [e] Temperature Inversion
Last Answer : [c] Sun Clad
Description : The place which experiences minimum and maximum temperature of - 28.3°C and 15°C respectively is: [Railways 1995] (a) Srinagar (b) Shimla (c) Kullu (d) Leh shop.ssbcrack.com
Last Answer : Ans: (d)
Description : In Indo-gangatic plains, rice-wheat cropping system covers about (A) 5 m ha (B) 10 m ha (C) 15 m ha (D) 20 m ha
Last Answer : (B) 10 m ha
Description : Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at ... flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C
Last Answer : (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C