Before starting an air compressor, It should be ().
相似题目
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When the starting air valve closes on one cylinder, another starting air valve has () opened on another cylinder whose piston has just commenced its downward stroke.
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Open the ()before starting an air compressor.
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In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?()
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What needs to be done before you can start the upgrade?()https://assets.asklib.com/images/image2/2018073017485275935.jpg
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If the electric motor driving an air compressor fails to start, the cause may be a ().
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If a four-stroke/cycle diesel engine is started by injecting air into the cylinder, the pistons receiving the charge of starting air must be()
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Before starting a diesel engine that has an engine driven lube oil pump, the engineer should ().
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When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its()
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Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?()
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You started a long transaction. Before committing, you executed a query on one of the tables currently being modified. You received the following error: ORA-01555: snapshot too old How would you prevent such an error in the future?()
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When an air started, four-stroke/cycle diesel engine is being cranked, the starting air is admitted to each cylinder during what would normally be the()
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The pressure of pilot air is usually () than that of starting air.
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You started a long transaction. Before committing, you executed a query on one of the tables currently being modified. You received the following error: ORA-01555: snapshot too old How would you prevent such an error in the future?()
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Before starting an engine by air, the engine must()
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() supplies pilot air to control the cylinder air start valves.
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The starting air system usually has () to prevent starting if anything is not in order.
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Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an()
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Which of the following may cause that an engine doesnt run on starting air?()
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Before starting the engine the air bottle should be ().
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Air receivers installed in starting air systems are to be ().
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Before you start an engine in a compartment,it’s MOST important to().
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Which of the following may cause that an engine doesnt turn on starting air?()
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Before he started work, I asked the builder to give me an ________ of the cost of repairing the roof.