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There are two types of coils employed in the system, which are ______________(a) Tygon coils and mixing coils(b) Mixing coils and tubing coils(c) Delay coils and tygon coils(d) Mixing coils and delay coilsThis question was posed to me in an interview.Query is from Transmission of Digital Audio in division Telemedicine Technology of Biomedical Instrumentation

Answer»

Right answer is (d) Mixing coils and DELAY coils

Explanation: TWO types of coils are employed in the system—mixing coils and delay coils. Coils are glass spirals of critical dimensions, in which the mixing liquids are inverted several times, so that complete mixing can result. Mixing coils are used to mix the sample and/or reagents. Delay coils are employed when a specimen MUST be DELAYED for the completion of a chemical reaction before reaching the COLORIMETER.



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