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(a) Design a 6-bit R-2R ladder D/A converter.
(b) For Vref = 10 V, find the maximum output voltage.
(c) Determine the output voltage increment.
(d) If the output voltage is to indicate increments of 0.1 V, find the bits that must be used.
An electronics plant uses an adsorption system to recover solvent from a vent gas stream and prevent volatile organic compound (VOC) emissions. The vent gas flow rate is 20 m3 /s of dry air at 293 K, 1.5 atm.
Is the proposed stead-state operation feasible - What is the corresponding length of wire that may be used in the heater for a maximum available voltage of 110V? What is the power rating of the heater?
what is the conversion conversion if both the reactors are operated in series when feed note =20 litre/min , feed concentration = 1 g mol /liter , rate constant
The thermal design of a heat exchanger to recover heat from a kerosene stream by transfer to a crude oil stream was carried out in. Make a preliminary mechanical design for this exchanger. Base your design on the specification obtained from the CA..
Develop a two-dimensional addressing system using a 6-to-64 decoder, a 64-word×128- bit matrix, and 16-input multiplexers. How many gates would such a system require?
Propose a model 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.
A fixed-bed reactor is to be designed for a hydrocracking process. The reactor will treat 320,000 lb/hr of vacuum gas oil (specific gravity 0.85) in the presence hydrogen at 650 ºF, 2000 psig, 1.0 weight hourly space velocity (WHSV).
Calculate the volume of lithium hydroxide at 0.12 M. required to neutralize 25 mL of sulphuric acid at 2.5 M. 3 marks 2. A sample of 2.5 g of solid NaOH will neutralize 125 mL of sulphuric acid. Calculate the molarity of the sulphuric acid. 3 mark..
In the manufacture of vinyl chloride (VC) by the pyrolysis of dichloromethane (DCE), the reactor conversion is limited to 55% to reduce carbon formation, which fouls the reactor tubes. Calculate the quantity of DCE fed to the reactor to produce 50..
Evaluate particle diameter at different terminal gas velocities
Determine the concentration of biomass at t=2h assuming quasi steady state. If alpha=0.2g/g Determine the concentration of product at t=2h assuming P0=0
Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals
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