Engine Indicators

engine-indicators

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Question 1 of 1

Time Left

142235

600

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When attempting to read the high pressure gauge on an operating ammonia compressor, it is noted that the pointer "hunts" (has a wide and relatively slow back and forth movement). That would most likely indicate that the compressor?

Select the correct answer(s).

(0/0)

142236

6000

none

Of the following statements, which one is correct regarding an engine indicator diagram?

Select the correct answer(s).

(0/0)

142237

600

none

What types of seals is likely to be used in a small compressor?

Select the correct answer(s).

(0/0)

142238

600

none

A multi-cylinder, single acting compressor is equipped with reed type compressor valves, what type of force is used to actuate these valves?

Select the correct answer(s).

(0/0)

142239

600

none

An engine indicator that is working perfectly indicates a pressure that is 20 psi below the reading of a gauge that has been installed in a system over an extended period of time. What does this difference in readings indicate?

Select the correct answer(s).

(0/0)

142240

600

none

The cylinder of a compressor is running hot and at decreased capacity. Which of the followingis the most likely cause of this problem?

Select the correct answer(s).

(0/0)

142241

120

none

In addition to malfunctioning compressor valves, what other component of a compressor could affect the relative shape of an engine indicator diagram?

Select the correct answer(s).

(0/0)

142242

120

none

Which of the following best describes how the atmospheric reference line on an indicator diagram is used?

Select the correct answer(s).

(0/0)

142243

120

none

If the valve plate of a reciprocating compressor is to be replaced, what other components should be replaced at the same time?

Select the correct answer(s).

(0/0)

142244

120

none

A system is cyclilng excessively, the crankcase temperature is high, discharge pressure is low and suction pressure is high, what is a possible explanation?

Select the correct answer(s).

(0/0)

142245

120

none

Compressor valves control the flow of vapor into and out of a compressor's cylinders, which of the following best descrives how they are located on the valve plate?

Select the correct answer(s).

(0/0)

142246

120

none

A decrease in the capacity of a reciprocating compressor may be due to?

Select the correct answer(s).

(0/0)

142247

120

none

Which of the following is not a form of compressor valve?

Select the correct answer(s).

(0/0)

142248

120

none

A compressor's service valves are mounted externally (on the body of the compressor), at the compressor's inlet and outlet. Where are the "compressor valves" located?

Select the correct answer(s).

(0/0)

142249

120

none

Engine Indicators

Question 1 of 1

Time Left

When attempting to read the high pressure gauge on an operating ammonia compressor, it is noted that the pointer "hunts" (has a wide and relatively slow back and forth movement). That would most likely indicate that the compressor?

Select the correct answer(s).

(0/0)

Of the following statements, which one is correct regarding an engine indicator diagram?

Select the correct answer(s).

(0/0)

What types of seals is likely to be used in a small compressor?

Select the correct answer(s).

(0/0)

A multi-cylinder, single acting compressor is equipped with reed type compressor valves, what type of force is used to actuate these valves?

Select the correct answer(s).

(0/0)

An engine indicator that is working perfectly indicates a pressure that is 20 psi below the reading of a gauge that has been installed in a system over an extended period of time. What does this difference in readings indicate?

Select the correct answer(s).

(0/0)

The cylinder of a compressor is running hot and at decreased capacity. Which of the followingis the most likely cause of this problem?

Select the correct answer(s).

(0/0)

In addition to malfunctioning compressor valves, what other component of a compressor could affect the relative shape of an engine indicator diagram?

Select the correct answer(s).

(0/0)

Which of the following best describes how the atmospheric reference line on an indicator diagram is used?

Select the correct answer(s).

(0/0)

If the valve plate of a reciprocating compressor is to be replaced, what other components should be replaced at the same time?

Select the correct answer(s).

(0/0)

A system is cyclilng excessively, the crankcase temperature is high, discharge pressure is low and suction pressure is high, what is a possible explanation?

Select the correct answer(s).

(0/0)

Compressor valves control the flow of vapor into and out of a compressor's cylinders, which of the following best descrives how they are located on the valve plate?

Select the correct answer(s).

(0/0)

A decrease in the capacity of a reciprocating compressor may be due to?

Select the correct answer(s).

(0/0)

Which of the following is not a form of compressor valve?

Select the correct answer(s).

(0/0)

A compressor's service valves are mounted externally (on the body of the compressor), at the compressor's inlet and outlet. Where are the "compressor valves" located?

Select the correct answer(s).

(0/0)

How should the seat of a service valve be positioned in order to isolate the compressor from the refrigeration circuit?

Select the correct answer(s).

(0/0)

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