Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
53.
Which instrument is used to determine rotational speed of a shaft (used in aeroplanes and motor boats)?
60.
Which of the following tool is used for measuring the draft of agricultural implements?
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