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

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

Question 7:

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

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

Question 8:

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

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

Question 9:

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

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

Question 10:

The primary purpose of the internal intake and discharge valves on a reciprocating compressor is to:

A - Control the flow of gas entering and leaving the cylinder B - Control the temperature of the gas inside the cylinder C - Control the flow of cooling water around the cylinder D - Isolate the compressor during maintenance Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct Question 1:

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

A - Alternately at both ends of the cylinder B - At one end of the cylinder only C - Before the gas enters the cylinder intake valve D - At both ends 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 two general types or designs of dynamic class gas compressors include:

A - Rotary and axial flow B - Centrifugal and reciprocating C - Axial and rotary D - Axial and centrifugal 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 applications is the:

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

Question 4:

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 5:

With the dynamic class of gas compressor:

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

Question 6:

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

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

Question 7:

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

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

Question 8: