In rotary type motor-compressor assemblies, the motor is cooled by ____.
A. air over the shell of the assembly
B. discharge gas from the compressor
C. suction gas returning to the compressor
D. liquid refrigerant by-passed from the liquid line
Answer: B
You might also like to view...
Which axle design is used for heavy duty vehicles?
A) Semi-floating B) Retainer plate axle C) Full floating D) C-lock axle
The rules governing the design of circuits supplying power to boats is covered in _____.
a. NEC® Article 215 b. NEC® Article 220, Part V c. NEC® Article 550 d. NEC® Article 555
Steel pipe is threaded based on a standardized set of dimensions called the
A. Steel Pipe Threading System B. National Pipe Thread Taper C. Steel Pipe Thread Taper D. National Pipe Threading System
To avoid releasing large quantities of refrigerant inside a mechanical room, ANSI/ASHRAE Standard 15-2010 specifies that rupture disks:
A) Should be replaced with solid brass plugs. B) Should only be used on equipment located outside. C) Should be controlled through a hand valve. D) Should be piped outside the building.