問題詳情

8. What following set of pumps is positive displacement type?
(A) Rotary pump and Reciprocating pump
(B) Centrifugal pump and Injection pump
(C) Centrifugal pump and Rotary pump
(D) Volute pump and Injection pump

參考答案

答案：A
難度：適中0.44
書單：沒有書單，新增