How can we calculate the per hour productivity of a hydraulic rock breaker,for excavator..
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What are the causes of liner high temperature?
HOW LIGHTENING PROTECTION IS DONE ON ROOF OF SQUARE SHAPE AND HAVE PARTUCULARLY BIG SURFACE AREA.
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What happened when Delivery valve closed and Suction valve open in centrifugal pump.(in running conditions)
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In some engines glycerine is used in place of water for cooling of engine. Why ?
Out of electric heater and heat pump, which is economical in operation ?
How much pressure on air reservoir?
Give the procedures in starting centrifugal pumps.
What is an Economizer?
4 Answers ABC Inc, RRB, Siemens,
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