Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known.
The present cost of the plant = $${\text{original cost}} \times \frac{{{\text{index value at present}}}}{{{\text{index value at time original cost was obtained}}}}.$$
The most major component of this cost index is
A. Fabricated equipment and machinery
B. Process instruments and control
C. Pumps and compressor
D. Electrical equipments and material
Answer: Option A
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