Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
offer8.docx
Скачиваний:
3
Добавлен:
01.07.2025
Размер:
1 Мб
Скачать
☆

In a single-acting reciprocating gas compressor, compression takes place:

A - At one end of the cylinder only B - Before the gas enters the cylinder intake valve C - Alternately at both ends of the cylinder D - At both end of the cylinder at the same time Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 2:

The classification of gas compressor best suited for high flow, low pressure differential applications is the:

A - Rotary displacement B - Reciprocating C - Centrifugal D - Axial Correctness Rule: Single Correct Answer Required Answer(s) Given: D Correct Answer(s): D Marked as: Correct _______________________________________________

Question 3:

The classification of gas compressor best suited for high flow, low pressure applications is the:

A - Rotary displacement type B - Centrifugal type C - Reciprocating type D - Axial type Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 4:

With the positive displacement class of gas compressor:

A - A definite amount of gas is compressed for every stroke or revolution B - The velocity of the gas is converted to pressure in a diffusing section C - There are two general types or designs: the centrifugal flow and the axial flow D - The gas is first accelerated by impellers or blades Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 5:

With the dynamic class of gas compressor:

A - A definite amount of gas is compressed for every stroke or revolution B - The velocity of the gas is converted to pressure in a diffusing section C - There are two general types: reciprocating and rotary D - The gas is compressed by the pushing action of pistons, vanes, or lobes Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 6:

The two general types or designs of dynamic class gas compressors include:

A - Axial and centrifugal B - Centrifugal and reciprocating C - Axial and rotary D - Rotary and axial flow Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 7:

The classification of gas compressor best suited for all flows and pressures is the:

A - Rotary displacement B - Centrifugal C - Reciprocating D - Axial Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 8:

In machine shops where pneumatic equipment is used, what is the most commonly used type of air compressor?

A - Automotive B - Single crank C - Multicrank D - Integral Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 9:

The classification of gas compressor best suited for high flow applications is the:

A - Axial B - Centrifugal C - Reciprocating D - Rotary displacement Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 10:

The advantage offered by a "balanced/opposed" design in a heavy-duty, slow-speed gas compressor is that:

A - The design requires no drive motor B - It is unnecessary to have equal numbers of compression cylinders on opposite sides of the crankshaft C - The compressor vibration is greatly reduced D - There are no limitations on piston speed Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct Question 1:

A gas compressor that gives two compression strokes for every crank shaft revolution is the:

A - Single acting compressor B - Single cylinder, double-acting compressor C - Multicrank two cylinder configuration D - Dynamic compressor Correctness Rule: Single Correct Answer Required Answer(s) Given: B Correct Answer(s): B Marked as: Correct _______________________________________________

Question 2:

There is only one compression stroke for every crankshaft or flywheel revolution in a/an:

A - Dynamic compressor B - Double-acting compressor C - Single-acting compressor D - Angle type multicrank configuration Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 3:

The type of compressor shown here is:

A - Single Cylinder, Single-Stage, Air Cooled Compressor B - Single-Stage, Double-Acting Compressor C - Balanced Opposed Compressor D - Integral Gas Engine Driven Compressor Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 4:

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]