List of top Agricultural Engineering and Technology Questions on Biomass Energy Conversion

Match List-I with List-II


Choose the correct answer from the options given below:
Which of the following conditions are essential for noise measurement of tractors and agricultural machinery as per IS (12180) 2000?
A. The measurement should be in A- weighted sound pressure level
B. The wind velocity at the microphone position shall not exceed 5 m.s\(^{-1}\)
C. Tractor shall be unballasted
D. The background noise shall be atleast 10 dB(A) below the level measured during test
E. The testing area should not have a slope of more than 15\(^\circ\)
Choose the correct answer from the options given below:
Design an appropriate size of biogas plant for a family of 6 members owning 2 cows, 2 buffaloes and 2 calves. One candle lamp is used for lighting purpose for 4 hours. (Assumption: dung production by cow, buffalo and calf are 10 kg, 15 kg and 5 kg respectively; cooking requirement is 0.25 m\(^3\) gas per day per person and 0.12 m\(^3\) gas per hour per lamp; gas production 0.04 m\(^3\) per kg of dung)
Design an appropriate size of biogas plant for a family of 6 members owning 2 cows, 2 buffaloes and 2 calves. One candle lamp is used for lighting purpose for 4 hours. (Assumption: dung production by cow, buffalo and calf are 10 kg, 15 kg and 5 kg respectively; cooking requirement is 0.25 m\(^3\) gas per day per person and 0.12 m\(^3\) gas per hour per lamp; gas production 0.04 m\(^3\) per kg of dung)
Which one of the following is the main combustible component in biogas?
How much energy will be available from a biogas plant with the following details: Burner efficiency 60%; methane proportion 0.8; the heat of combustion of methane \(28\text{ MJ/m}^3\); and volume of biogas produced per day is \(2.4\text{ m}^3\)