Q4. (a) Name at least three types of temperature sensing devices for remote indication. (4)
(b) Explain the working of a Thermocouple type temperature sensor. (8)
(c) What are various materials used in a thermocouple? (4)
Q4. With the aid of a circuit diagram, explain how a Galvanometer can be used as an Ammeter. (16)
Q3. (a) Sketch and describe a power (watt) meter for an A.C. switchboard. (8)
(b) State why type of load governs power factor and give examples of power factor for a resistance load and for normal marine operation. (8)
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