Modern Machine-Shop Practice - novelonlinefull.com
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=Admitting the exhaust.=--When the exhaust steam is condensed for boiler-feeding purposes, how soon after the engine has started would you let the exhaust into the feed tank? II. 441.
=Ship's side discharge.=--What is a ship's side air pump discharge valve? II. 442.
=Course of water.=--What is the course of the main injection water of a jet condenser? What is the course of the main circulating water of a surface condenser? II. 442.
=Surface condensing.=--What are the advantages of surface condensing?
How are surface condensers cleaned out? II. 442.
=Engine-room c.o.c.ks and valves.=--What c.o.c.ks and valves are there in the engine room of a condensing engine? II. 442.
=Donkey engine.=--What is a donkey engine? What pipes connect to a donkey engine, and what are their uses? II. 442.
=Pipes to the sea.=--What are the pipes that lead from or go to the sea?
II. 442.
=Parts cla.s.sified.=--What parts of a marine engine are generally made of wrought iron, of cast iron, of bra.s.s, and what of steel? II. 442.
=Use of Babbitt.=--What is Babbitt metal or white metal used for? II.
442.
=Use of Muntz.=--What is Muntz metal used for? II. 442.
=Breaking strain.=--About what is the breaking strain of wrought iron per square inch of section? II. 442.
=Tempering.=--How is steel tempered? II. 442, 460-463.
=Case-hardening.=--What is case-hardening? What parts of an engine are usually case-hardened? II. 442.
=Forging.=--What are the forgeable metals used in engine construction?
II. 442.
=Welding.=--What is welding? II. 442.
=Metal expansion.=--What metals used in engine construction expand by heat, and what allowances are made in the construction on this account?
II. 442.
=Composition of iron and steel.=--What is the difference in the composition of cast iron and steel? II. 442.
=Marine piston.=--Describe a marine engine piston. II. 442.
=Drain c.o.c.ks.=--What are cylinder drain c.o.c.ks? II. 442.
=Link motion.=--What is a link motion? What is a link motion used for?
II. 443.
=Expansion valve.=--What is a separate expansion valve? II. 443.
=Top cylinders.=--What are the small cylinders on top of the steam chests used for? II. 443.
=The throw.=--What is the throw of an eccentric? II. 443.
=Double beat.=--What is a double-beat valve? II. 443.
=Expansion joint.=--What is an expansion joint? II. 141, 443.
=Oil cup.=--What is an oil cup? II. 443.
=Siphon.=--What is a siphon or worsted? II. 443.
=Impermeator.=--What is a steam lubricator or impermeator? II. 444.
=Hand-worked valves.=--What are the valves of a marine engine that are worked by hand? II. 444.
=Vacuum gauge.=--What is a vacuum gauge? What is a mercury vacuum gauge?
II. 444.
=Total condenser pressure.=--How would you find the total pressure in a condenser? II. 444.
=Racing.=--What is meant by the racing of an engine? II. 444.
=Uniform paddle-wheel revolution.=--How may the speed of revolution of single crank paddle-wheels be made uniform? II. 444.
=Paddle-wheel construction.=--What is the construction of a common paddle wheel? What is a radial paddle wheel? What is a feathering paddle wheel? II. 445.
=Disconnecting engine.=--What is a disconnecting paddle engine? II. 445.
=Propeller thread.=--Where is the thread of a screw propeller measured?
II. 445.
=Propeller pitch.=--What is the pitch of a propeller? II. 445.
=L. H. propeller.=--What is a left-hand propeller? II. 445.
=Thrust bearing.=--What is a thrust bearing? II. 445.
=Propeller fastening.=--How are screw propellers fastened to their shafts? II. 445.
=Marine engine pipes.=--What are the princ.i.p.al pipes of a marine engine and boiler? II. 445.
=Mud box.=--What is a mud box? II. 445.
=Course of steam.=--Describe the course of the steam from the boiler to the hot well. II. 445.
=Exposure to cold.=--What parts of an engine are exposed to danger in a cold climate? II. 446.
=Preventing freezing.=--What precautions are necessary to prevent the engine from freezing in cold climates? II. 446.
=Failure to start.=--Name all the reasons that may cause a marine engine to fail to start when it is expected to do so. II. 446.
