Wisconsin Permit Test 1 Question When starting a vehicle, the oil pressure should: Answers Gradually build up pressure over the span of a few minutes. Come up to normal within a few seconds. Start high, then decrease as the engine is run. Explanation Oil pressure should come up to normal within seconds of starting the engine. Answer Statistics 14.67 % of our users get this question wrong. This questions is relatively Easy. Wisconsin Permit Test This questions appears in the following tests: Missouri Knowledge Test Class B ,