A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is _____________ kg?
Correct answer: B. 100
- A. 10
- B. 100
- C. 1000
- D. 10000
Explanation
The ram-to-plunger area ratio is (10/1)^2 = 100. A 10-ton load equals 10,000 kgf, so the plunger force is 10,000/100 = 100 kgf.
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