A 37 wt % hydrochloric acid solution (sp. Gr = 1.19 ) flows through a 40m long and 8 cm diameter pipe at a rate of 90 1/min. How long would it take to fill a drum with the solution which contains 180 mole of HCI ?
The feed to an ammonia synthesis reactor contains 25 mole % nitrogen and the balance hydrogen. Calculate the mass of the feed containing 1235kg nitrogeb.
What is ETP ? Discuss the Importance ETP in chemical industries.
Write down the difference between soap and detergent.
Why dry process is preferred over wet process for manufacturing clinker?
Why is steam/carbon ratio important in primary reformer of ammonia plant?
What do you mean by hard water? How the hardness of water can be removed ?
Suppose, you are asked to set up a chemical industry. Discuss the factors that should be considered to set up a chemical industry in Bangladesh.
Define the term "Break even point " of an industry.
Which resistance in the following electrical network carries maximum current? What is the consumed power in the resistance?
Find the voltage across and charge on capacitor C1 for the following network after it is charged up to its final value
Suppose that the carrier signal A(t) = AoCos (2π∫ct + Øc) is modulated by the modulating signal m(t) cos2 ∫mt, ∫mce∫cDetermine the double side band (DSB) amplitude modulated signal, its upper and lower side bands and draw its spectrum assuming a modulation indes of a.
Implement the following logical function with NAND gates only f(A, B, C, D)=(CD + D)AB
Design a 8 to 1 multiplexes by using only 2 to 1 multiplexers. Show only the block diagram.
What are the mein purpose of performing open circuit and short circuit test of a transformer?
Draw the equivalent circuit and complete vector diagram of a signal-phase transformer for non-inductive load.
The primary of 1000/250 v step-down transformer has a resistance of 0.15Ω and leakage reactance of 0.8Ω. Find the primary induced emf when the primary current is 60A at 0.8 pf lagging.
Describe pulse code modulation (PCM) wave form coder and decoder with neat sketch and list merits compared with the analog coders.
What is the output average voltage 0o(avg) for the following figure.
Mention the advantages and drawbacks of the interconnection of power station.
