[单选题]

The energy for pushing this piston up can be supplied from （）, so that the piston can keep moving up and down.

A . the same piston

B . the piston nearby

C . the other pistons

D . the generators on board

参考答案与解析：

相关试题

During the 4th stroke, ______ and piston moves up, pushing the burned gases out of the cylinder cham

During the 4th stroke, ______ and piston moves up, pushing the burned gases out

  • 查看答案

    • The piston moving up and down keeps the

    [单选题]The piston moving up and down keeps the crankshaft （）.A . to revolveB . revolvedC . revolvingD . to be revolved

  • 查看答案

    • The piston moves up and down, thus causi

    [单选题]The piston moves up and down, thus causing the rotational movement of the（）A . crankshaftB . connecting rodC . cross-headD . main beating

  • 查看答案

    • Firstly,the limited energy resources will be used up much faster. Secondly,the increasing population

    Firstly,the limited energy resources will be used up much faster. Secondly,the i

  • 查看答案

    • And homes can be responsible for up to 25 percent of a nation’s total energy use. But there are surp

    And homes can be responsible for up to 25 percent of a nation’s total energy use

  • 查看答案

    • 14.(单选题)When the piston moves up with both intake and exhaust valves closed, we call it ___.

    14.(单选题)When the piston moves up with both intake and exhaust valves closed, we

  • 查看答案

    • 推送速度 pushing speed

    [名词解释] 推送速度 pushing speed

  • 查看答案

    • 推送线 pushing track

    [名词解释] 推送线 pushing track

  • 查看答案

    • 牵引小车 pushing carriage

    [名词解释] 牵引小车 pushing carriage

  • 查看答案

    • (piston area)×(piston stroke)×(numbers o

    [单选题](piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).A．brake horsepowerB．displacementC．cylinder volumeD．cylinder clearance

  • 查看答案