When an expansion is joint needed on the shell side of a shell and tube heat exchanger?

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What is the Chemical Formula of Mineral Oil used in Transformer. It is Challenged for all Chemical Engineers.

6 Answers   Ambuja, Oil and Gas Jobs,

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what is the apt definitions for apparent power ,active power and reactive power?and explanation about different types of lamps?

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Name some common causes of control valve noise?

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I am pg student of chemical engg. I am intrested Heat Transfer Subject . I want information about advance heat transfer related PG PROJECT

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What is some common piping materials used to transport slurries?

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What compounds are responsible for the odors that come from wastewater treatment plants?

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For a Vernier scale of representative fraction (RF) = 1 / 25, calculate the length of the scale for the reading up to 4 metres.

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when liquid stored in spherical vessel,equilibrium shift towards liquid.what is the benefit of it?

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FOOD ENGINEERING - QUESTION 23.2 : (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.

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why should we have to maintain excess air in furnaces and boilers while burning any fuel?

6 Answers   IOCL,

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Question 63 – Autocad computer program is used to draw a pipe that is used to transport natural gases for processing. Actual length of the pipe is 10 metres. The pipe has cross sectional area of circle in shape with measured circumference of s = 3 metres. (a) If 10 units are used to represent the actual length of the pipe in computerised engineering drawing, find the diameter of the pipe, d that will be shown in the engineering drawing. (b) If one unit in the program equals to 1 centimetre, find the scale used in the computer program.

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