In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

Answer: Option A

In the vapor compression refrigeration cycle, the refrigerant undergoes phase changes and pressure variations as it moves through different components of the system.

Explanation for each option:

After passing through the condenser: The refrigerant is in a high-pressure saturated liquid state after it has released heat and condensed in the condenser.
Before passing through the condenser: This is not the correct condition. Before the condenser, the refrigerant is typically in a high-pressure, high-temperature, and superheated vapor state.
After passing through the expansion or throttle valve: After passing through the expansion valve, the refrigerant undergoes a pressure drop and enters the evaporator as a low-pressure, low-temperature mixture of liquid and vapor.
Before entering the expansion valve: This is not the correct condition. Before the expansion valve, the refrigerant is typically in a high-pressure, high-temperature, and superheated vapor state.

Therefore, in the context of the question, the condition of the refrigerant as a high-pressure saturated liquid occurs after passing through the condenser