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Machine Design Elements I past board exam Answers Device used to measure accurately speed: a. speedometer b. dial indicator c. tachometer d. dial gauge - Answersc. tachometer When the hole is smaller than the shaft, it will take pressure to put the parts together. The allowance is said to be negative and is termed: a. negative tolerance b. negative allowance c. negative fits d. interference of metal - Answersd. interference of metal When two elastic bodies collide, which of th...