問題詳情
21.A device installs in a diesel engine with the attempt to increase the power output of an engine ofgiven size and speed by enabling the cylinders to be charged with air at an elevated pressure and therefore at a higher density than air at atmospheric pressure. This device is called.
(A)Blower
(B)Elevator
(C)Crankshaft
(D)Turbocharger
參考答案
答案：D
難度：簡單0.818182
統計：A(1),B(0),C(3),D(18),E(0)