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A storage tank for concentrated nitric acid will be constructed from aluminum to resist corrosion. The tank is to have an inside diameter of 6 m and a height of 17 m. The maximum liquid level in the tank will be at 16 m. Estimate the plate thickness required at the base of the tank. Take the allowable design stress for aluminum as 90 N/mm2.
The Telephone transmission rate at the T3 level is 44.7 Mb/s. Each telephone message accupies 64,000b/s. How many simultaneous message could be set along this system?
Calculate the mass flow rate of distillate and bottom product per hour - the mass flow rate of liquid entering the reboiler and the vapour leaving the reboiler per hour.
question 1a with the help of a labeled drawing discriminate between the first-stage biochemical oxygen demand bod and
1. the potential energy between two atoms can be represented as
Calculate the theoretical stages needed to separate a 10 mole% ethanol liquid saturated feed into a 80 mole% distillate and a 0.1 mole% bottoms at 1 atmosphere pressure.
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
Determine the minimum electric potential difference (in volts) that must be applied to accelerate an a-particle so that on interaction with a hydrogen atom, a ground state electron will be excited to n = 6
Calculate the diffusion flux at 1027(C (1300 K) for the same concentration gradient and assuming an activation energy for diffusion of 125,000 J/mol.
Derive a Differential Equation which will show how temperature in the tank changes with time. State assumption used. Solve this model to obtain T(t) given that T(t=200s) = 50°C.
Defluorination & adhesion properties, Using ion bombardment-If Teflon is deflorinated to increase it's adhesion properties, then what would the changes in surface characteristics be?
How will the mole fractions of benzene and toluene in the liquid change with time (increase, decrease, or remain constant)? Explain your answer.
acetyl chloride is a colorless fuming liquid used primarily in the chemical industry.a how is acetyl chloride produced?
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