单选题
APU的伺服燃油操作
A
负载压气机IGV和APU引气活门
B
APU引气活门和APU防喘活门
C
负载压气机IGV和APU防喘活门
D
APU挡板、负载压气机IGV和APU防喘活门
答案解析
正确答案:C
解析:
APU的伺服燃油操作
答案:C.负载压气机IGV和APU防喘活门
解析:在APU的伺服燃油操作中,负载压气机IGV (Inlet Guide Vane,进口导向叶片) 调节进气流量,而APU防喘活门 (Anti-Surge Valve,防喘活门) 控制APU的压气机喘振。这两个元件的控制能够有效地保持APU的稳定工作状态,避免压气机的喘振现象。
相关题目
单选题
Peter, perhaps John, () playing with the little dog.
单选题
Between the two buildings () a monument.
单选题
A professor and a writer () present at the meeting.
单选题
The pair of shoes () worn out.
单选题
The students in our school each () an English dictionary.
单选题
Tom’s teacher and friend () Mr Smith.
单选题
Twenty miles () a long way to cover.
单选题
My family as well as I () glad to see you.
单选题
Neither he nor I () for the plan.
单选题
My father, together with some of his old friends, () there already.
