Engine : Expired / Motor Plants and Auxiliary Boilers - 259/354
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| The symbol with the output 'ee' shown in the illustration, is properly called a blocking valve. Which of the following statements describes its function when incorporated into a slow speed diesel engine pneumatic control circuit? Illustration MO-0116 |
| A) The device is used to interrupt the control signal to port "J" of the air start distributor shown in illustration MO-0053. |
| B) The blocking device prevents direct hydraulic flow from operating the reversing mechanism. |
| C) All speed signals emanating from the throttle lever are diminished by half due to the blocking effect of this valve. |
| D) The device is used to interrupt the pneumatic signal to port "A" of the distributor shown in illustration MO-0053. |
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Illustration MO-0116
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| Thestempa26 - 2015-06-15 16:47:38 Member (10) |
| There is a drawing missing. |