List of top Chemical Engineering Questions

Urea is represented as
Ammonium nitrate (a fertiliser) is coated with limestone powder to
Which is used as bleaching agent in paper industries?
Ammonia synthesis gas is produced from natural gas by
Catalyst used in the synthesis of Ammonia is
_____ taxes are based on gross earnings
Fixed charges for a chemical plant does not include the
The depreciation during the year ‘n’, in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage ‘N’ to the
Butadiene is copolymerized by
The ratio of working capital to total capital investment for most chemical plants (except for non-seasonal based products) is in the range of ______ percent.
For a given fluid, as the pipe diameter increases, the pumping cost
Out of the following, the depreciation calculated by the ______ method is the maximum.
The total investment in a project is Rs. 10 lakhs and the annual profit is 1.5 lakhs. If the project life is 10 years, then the simple rate of return on investment is
Utilities cost in the operation of chemical process plant comes under the
Operating profit of a chemical plant is equal to
In a manufacturing industry, breakeven point occurs, when the
In a single tank system, the transfer function of level to inlet flow rate is
Use of I-control along with P-control facilitates
The closed loop pole of a stable second order system could be
The transfer function for a PID controller is (where, \( \tau_I \) is the integral (reset) time and \( \tau_D \) is the derivative time.)
For an input forcing function, \( X(t) = 2t^2 \), the Laplace transform of this function is
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
Transfer function of transportation lag is
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?
U-tube manometer is an example of