Engine_2014 : Steam Plants - 1548/1951
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| Large temperature and pressure drops which occur in the first stage of a combination impulse and reaction turbine are caused by steam passing through __________ . |
| A) a nozzle diaphragm in the low pressure end of the turbine |
| B) a single row of blades more than once |
| C) a dummy piston and cylinder to offset axial thrust |
| D) one or more velocity- compounded impulse stages at the high pressure end of the turbine |
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