Unit 16 - Chapter 68 Flashcards

0
Q

A steam engine piston

A

Has greater driving force on it at the beginning of its stroke

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1
Q

An example of a prime mover is

A

A steam turbine

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2
Q

Large power production plants tend to be of the thermal type because they can burn solid fuels and

A

The heat cycle they use is the most efficient

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3
Q

A steam engine will have the steam supply to the cyclometer shut off once the piston has travelled

A

25 to 35% of its stroke

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4
Q

The reciprocating motion of a steam engine is converted to rotary motion

A

At the crankshaft

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5
Q

The crosshead of a steam engine

A

Is where linear motion becomes angular motion

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6
Q

A steam engine piston

A

Moves fastest at the beginning of it’s stroke

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7
Q

A routine inspection of an operating steam engine should cover first and foremost

A

Lubricators

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8
Q

Whenever feasibly possible, when checking bearings on running pieces of equipment it is wise to

A

Get accustomed to normal running temperature and vibration by feel

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9
Q

One of the first ways to detect a fault in a reciprocating engine is

A

By sound

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10
Q

The slide valve of a steam engine is designed to

A

Provide for steam to enter and leave the cylinder

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11
Q

A heat engine is an operating cycle that uses a working fluid to convert

A

Thermal to mechanical energy

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12
Q

A steam engine will have the same supply to the cinder shut off once the piston has travelled ___ of its stroke

A

1/4 to 1/3

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13
Q

Despite their size and complexity, steam plants are widely used because

A

They can burn solid fuels such as coal and wood

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14
Q

The term prime mover refers to

A

A device that uses a source of energy to produce mechanical motion

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15
Q

Connecting rods on a steam engine

A

Convert reciprocating motion to rotary motion

16
Q

A steam engines crosshead

A

Converts linear motion of the piston rod into angular motion

17
Q

Which of the following is a prime mover?

A

A gas turbine

18
Q

A steam engine piston

A

Moves fastest at the midpoint of its stoke