16.RRB ALP CBT2 RAC Question bank #15

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