__A pulse tracer is introduced in an ideal CSTR (with a mean residence – McqOptions

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1.	__A pulse tracer is introduced in an ideal CSTR (with a mean residence time ≈íœÄ) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be__
A.	2≈ì√ë
B.	0.5≈ì√ë
C.	≈ì√ë/0.693
D.	0.693≈ì√ë
Answer» B. 0.5≈ì√ë

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