Why is the cooler shell and suction line insulated on

This preview shows page 35 - 37 out of 47 pages.

79-7)Why is the cooler shell and suction line insulated on a unit that is located indoors?
79-8)Explain the operation of lead and lag compressors.
240
79-9)How can the centrifugal compressor speed be higher than the motor speed?
79-10)What is the difference between a single stage and two stage centrifugal compressor?
79-11)What is the most efficient method of capacity control for a centrifugal compressor?
79-12)What types of prime movers can be used for centrifugal chillers?
79-13)What type of capacity control is used for a centrifugal compressor that is driven by a constant speed motor?
79-14)What can be considered an advantage of a screw type chiller as compared to a centrifugal chiller?
79-15)What is the advantage of a screw compressor that utilizes three screws?
79-16)What is the purpose of a chiller economizer?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture