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Which of the following is not an example of drawbar dynamometer?

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in Farm Machinery by (38.9k points)
Which of the following is not an example of drawbar dynamometer?

(a) Spring dynamometer

(b) Hydraulic dynamometer

(c) Electrical dynamometer

(d) Strain gauge dynamometer

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This is a very interesting question from Diesel Engine Vs. Petrol Engine in division Internal Combustion Engine of Farm Machinery

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Correct option is (c) Electrical dynamometer

Explanation: The electrical dynamometer is an example of brake dynamometer. It consists of a generating unit, a resistance unit and a control board. The engine to be tested is mounted by the side of the generator and its crankshaft is connected directly to the armature. It is very accurate and precise instrument but its installation cost is high.

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