Forums > Engine > Motor Plants and Auxiliary Boilers: The 3-position, 4-way directional control valve with a 30 bar ...
| Question #1352 | |
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| Link to Question | |
| The 3-position, 4-way directional control valve with a 30 bar output at "ee" as shown in the illustration (MO-0116) is a blocking valve associated with the engine turning gear. Which of the following statements describes its function when incorporated into a slow-speed diesel engine starting control air distributor as shown in the illustration (MO-0053)? Illustrations MO-0053 and MO-0116 | |
| A) The blocking valve is used to interrupt the supply air at port "C" when the turning gear is engaged. | |
| B) The blocking valve is used to interrupt the control air at port "A" when the turning gear is disengaged. | |
| C) The blocking valve is used to interrupt the control air at port "A" when the turning gear is engaged. | |
| D) The blocking valve is used to interrupt the supply air at port "C" when the turning gear is disengaged. | |
| Posted: 16 Jul 2016 13:14 UTC | Post #1 |
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| mlevario Engine |
Member Total Posts: 1 |
| There should be two figures with this question | |
| Posted: 03 Apr 2022 10:45 UTC | Post #2 |
| NHastings Engine |
Registered Total Posts: 2 |
| This is missing an illustration | |
| Posted: 09 Nov 2023 12:37 UTC | Post #3 |
| stephendowns345 Engine |
Member Total Posts: 5 |
| there is allot of missing information here that needs to be addressed. if that third box is engaged to the air supply does the air just vent to the atmosphere. am i to assume that it moves the jacking gear or something | |
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