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Mpe 352/Abe 302: Instrumentation Question Paper

Mpe 352/Abe 302: Instrumentation 

Course:Bachelor Of Science In Mechanical And Manufacturing Engineering

Institution: Moi University question papers

Exam Year:2012



MPE 352/ABE 302: INSTRUMENTATION
CAT II

1.
a. What is data transmission? With the aid of sketches differentiate between NRZ and RZ encoding. (5mks)

b. The selection of the best digital modulation technique for a specific application is driven by a number of criteria. State and explain five criteria. (5mks)

2.
a. There are a number of compelling reasons that lead to the widespread adoption of fibre optic cabling for telecommunication applications. Outline four reasons. (4mks)

b. What are the applications of ultrasonic sensors? State and explain its advantages over conventional sensors. (6mks)

3.
a. Distinguish between single mode and multi mode fibre in fibre optics. (4mks)

b. Ultrasonic sensors are valuable components of modern automated production processes. Explain the three basic types of ultrasonic sensors. (6mks)




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