4th Class A2 Review

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Question 1 of 1

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The feed-through tubes of a fluidized bed boiler are located in the:

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267265

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none

Boiler chimneys are commonly lined with:

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267266

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The term “coalescence,” when referring to welding, is:

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267267

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Total alkalinity is measured:

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267268

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When using radiographic inspection, defects such as cracks and porosity show up as:

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267269

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To extend the life of valve packing, we can:

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267270

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A blowoff tank:

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267271

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Temperature relief valves can open on a rise in temperature by the expansion of a wax-filled rod or by the:

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267272

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When a differential head meter is used to measure water level in a boiler steam drum, the connection to the steam space:

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267273

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In most sizes of pipe, Schedule 40 corresponds to _____ wall thickness.

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267274

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Oil is commonly removed from a waste stream by:

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267275

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White cast iron has a high resistance to corrosion and abrasion, which makes it useful for:

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267276

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Which of these is NOT used for burning coal?

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267277

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An copper alloy that contains tin, and sometimes zinc, is:

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267278

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The refining process for fuel oils involves separating the crude oil into end products, which have distinguishing characteristics, such as specific gravity, viscosity, and:

4th Class A2 Review

Question 1 of 1

Time Left

The feed-through tubes of a fluidized bed boiler are located in the:

Select the correct answer(s).

(0/0)

Boiler chimneys are commonly lined with:

Select the correct answer(s).

(0/0)

The term “coalescence,” when referring to welding, is:

Select the correct answer(s).

(0/0)

Total alkalinity is measured:

Select the correct answer(s).

(0/0)

When using radiographic inspection, defects such as cracks and porosity show up as:

Select the correct answer(s).

(0/0)

To extend the life of valve packing, we can:

Select the correct answer(s).

(0/0)

A blowoff tank:

Select the correct answer(s).

(0/0)

Temperature relief valves can open on a rise in temperature by the expansion of a wax-filled rod or by the:

Select the correct answer(s).

(0/0)

When a differential head meter is used to measure water level in a boiler steam drum, the connection to the steam space:

Select the correct answer(s).

(0/0)

In most sizes of pipe, Schedule 40 corresponds to _____ wall thickness.

Select the correct answer(s).

(0/0)

Oil is commonly removed from a waste stream by:

Select the correct answer(s).

(0/0)

White cast iron has a high resistance to corrosion and abrasion, which makes it useful for:

Select the correct answer(s).

(0/0)

Which of these is NOT used for burning coal?

Select the correct answer(s).

(0/0)

An copper alloy that contains tin, and sometimes zinc, is:

Select the correct answer(s).

(0/0)

The refining process for fuel oils involves separating the crude oil into end products, which have distinguishing characteristics, such as specific gravity, viscosity, and:

Select the correct answer(s).

(0/0)

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