RAC

Freeze drying is a process

  • Of liquid separation from a product in a state
  • Achieved under vacuum
  • Of sublimation of liquid
  • All of these

The temperature maintained in a visible cooler varies between:

  • -5 to 0°C
  • 2 to 8°C
  • 2 to 12°C
  • 2 to 8°C

What is the temperature range of deep freezers?

  • 0°C to 10°C
  • 10°C to 30°С
  • 25°C to 30°C
  • -10°C to -30°C

What is the purpose of accumulator used in suction line of compressor in deep freezer?

  • Stores refrigerant during off cycle
  • Collects refrigerant during off cycle
  • Prevents liquid entering compressor
  • Arrests vapour flow back to evaporator
16.RRB ALP CBT2 RAC Question bank #15