Word forms: (regular plural) bench tests
noun (Automotive engineering: Design and performance) A bench test is an operating test carried out on an engine or other major part removed from a vehicle. ⇒ Mechanics did a bench test on the fuel-control unit and found that it was mis-rigged. ⇒ Your dealer should remove the starter motor and do a bench test on it. ⇒ The service department said that if I failed to fix the engine, they would be happy to have it back for a bench test.
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