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  Item Reference: KCLCAL-1881-1882-665

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666 APPLIED SCIENCES per square inch upon the piston of non-condensing engine using steam at 40 lbs absolute initial pressure and cutting off at one third of the stroke the length of the stroke being six feet Mark the pressure at each foot taking the back pressure at lb on the square inch Sketch section through flat or three-ported valve What is the effect of giving lap on the exhaust side Show how the points of eduction and compression are determined by it Explain the contrivance for opening the valves in single acting Cornish Engine and show how the point cut off is regulated In what way does the absence of steam jacket affect the indicator diagram The piston rod of an ordinary locomotive engine with the cylinder in front is guided by crosshead moving be- tween upper and lower parallel bars when the engine is running in forward gear which bar is guiding Explain this by diagram indicating the direction of the forces by arrows י tf ig דל Sketch and describe any mechanical method you know of for feeding- the fuel to boiler and state the various causes of waste of fuel in engines and boilers FIRST YEAR Sketch and describe the machinery used for converting rags into pulp for paper making Describe method of conveying the ink from the inking trough to the faces of the types in printing machine Describe the method of giving reciprocating move- ment to the table of Cowper printing machine Sketch and describe the mangle wheel and show how it may be modified for giving quick return ג movement
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