Exam 5: Compressors

Select the basic parts of a cylinder and piston reciprocating compressor:

The type of compressor that uses two helical rotors to compress gases:

Rotary screw compressors operate at speeds between:

If the compression ratio for a 3 stage compressor is 3.2. What is the final pressure?

A demister is:

If the compression ratio for a 4 stage compressor is 3.6. What is the final pressure?

The rapid compression of a gas or vapor:

What type of equipment is an aftercooler or intercooler?

If the compression ratio for a 6 stage compressor is 4.0. What is the final pressure?

What two items make up a stage in an axial compressor?

A rotary screw compressor has a capacity rating:

Lobe compressors can be used in wet and dry gas service.

An inlet valve unloader is:

If a lobe compressor is used for wet gas service the _________ rotation is recommended.

Parallel cylinder arrangement occurs when:

The suction and the discharge ports on a liquid ring compressor are located:

The most common type of reciprocating compressor is:

Compressed gases produce heat because of molecular friction.

The typical compressor system most closely resembles the following:

Gases and vapors are non-compressible.