and Answers | 2026 Update | 100% Correct.
2. When should the relief valve seal be changed?: After each adjustment
3. Which of the following statements is NOT true of pressure gauges?: Gauges
should be permanently installed in the hydraulic system
4. The pressure with full load in the up direction at rated speed defines which
of the following?: Working pressure
5. Which of the following is the term for maximum pressure which read at the
machine that is permitted into the jack?: Relief pressure
6. Which of the folloing pressures must be kept below 150% of working pres-
sure?: Relief Pressure
7. Which of the following pressures is acceptable for a relief valve setting on a
car with a 420 psi: 490
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