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Question 73 - (a) A dryer reduces the moisture content of 100 kg of a potato product from 80 % to 10 % moisture. Find the mass of the water removed in such drying process. (b) During the drying process, the air is cooled from 80°C to 71°C in passing through the dryer. If the latent heat of vaporization corresponding to a saturation temperature of 71°C is 2331 kJ / kg for water, find the heat energy required to evaporate the water only. (c) Assume potato enters at 24°C, which is also the ambient air temperature, and leaves at the same temperature as the exit air. The specific heat of potato is 3.43 kJ / (kg °C). Find the minimum heat energy required to raise the temperature of the potatoes. (d) 250 kg of steam at 70 kPa gauge is used to heat 49,800 cubic metre of air to 80°C, and the air is cooled to 71°C in passing through the dryer. If the latent heat of steam at 70 kPa gauge is 2283 kJ / kg, find the heat energy in steam. (e) Calculate the efficiency of the dryer based heat input and output, in drying air. Use the formula (Ti - To)/(Ti - Ta) where Ti is the inlet (high) air temperature into the dryer, To is the outlet air temperature from the dryer, and Ta is the ambient air temperature.
1 6027What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
1948The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?
1623Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?
1 2259Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
1641I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.
2622
Please somebody tell me the call flow for MO & MT call with diagram & complete explaination ?
i want to held the examination of the bpsc.pl gave the condition &prepare to eam &whose subjet are chose
what is the water cement ratio for plastering
Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?
What are the differences between 1 dimensional RAM and 2 dimensional RAM?
What is the difference between power amplifier and voltage amplifier?
What are different types of gate valves?
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
what is inter connected dc generator?
what is the fuction of asstt. rigman drilling
How pipe flanges are electrically insulated?
what is an industrial electronics engineer ? what he does ? what specialities and experties he should have ? what are the difference between industrial electronics engineer & electronics engineer & electrical engineer ?
I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions
Explain what are the disadvantages of using gear pumps?
How to control the Relative humidity in Air handling unit in Pharmaceutical company ,the AHU is comprised with DX system(Cooling coil) and dry heaters. We are facing the RH issue low side and higher side.
