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Test your knowledge with a 10-question questionnaire on basic hydraulics
1/ The pump creates pressure
2/ The oil is incompressible.
3/ The role of a main pressure relief valve is to protect the pump.
4/ Oil penetration under the skin can cause amputation.
5/ All "organic" hydraulic oils are miscible with each other.
6/ A counterbalance valve protects the cylinders..
7/ A piston pump with 80% efficiency is considered in good condition.
8/ 0.5% water in the oil corresponds to an acceptable level.
9/ The most critical pollution is invisible to the naked eye.
10/ A pilot operated check valve controls the descent of a driving load.