MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The thermostatic expansion valve operates on the changes in the ___________ |
| A. | degree of superheat at exit from the evaporator |
| B. | temperature of the evaporator |
| C. | pressure in the condenser |
| D. | pressure in the evaporator |
| Answer» B. temperature of the evaporator | |
| 2. |
The low-side float valve is located between the condenser and evaporator. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Thermostatic expansion valves are usually set for a superheat of? |
| A. | 10°C |
| B. | 5°C |
| C. | 8°C |
| D. | 15°C |
| Answer» C. 8°C | |
| 4. |
Which one of the following is also known as a constant superheat valve? |
| A. | Capillary tube |
| B. | Hand-operated expansion valve |
| C. | Thermostatic Expansion valve |
| D. | Low side float valve |
| Answer» E. | |
| 5. |
Capillary tube, as an expansion device is used in? |
| A. | Water coolers |
| B. | Domestic refrigerators |
| C. | Room air conditioners |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Which of the following is not an advantage of capillary tube? |
| A. | The cost of capillary tube is less |
| B. | A high starting motor is not required |
| C. | No receiver is needed |
| D. | A capillary tube designed for a specific condition will also work efficiently for other conditions |
| Answer» E. | |
| 7. |
The expansion device is placed between which two components? |
| A. | Condenser and evaporator |
| B. | Compressor and condenser |
| C. | Evaporator and compressor |
| D. | Receiver and evaporator |
| Answer» E. | |
| 8. |
The expansion device used with flooded evaporators is known as expansion valves. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following function is not performed by the expansion device? |
| A. | It reduces the high pressure liquid refrigerant to low pressure liquid refrigerant |
| B. | It maintains the desired pressure difference between the high and low pressure sides of the system |
| C. | It controls the flow of refrigerant according to the load on the evaporator |
| D. | It compresses the vapor |
| Answer» E. | |
| 10. |
The device which divides the high pressure side and the low pressure side of a refrigerating system is known as _____________ |
| A. | condenser device |
| B. | evaporator device |
| C. | receiver device |
| D. | expansion device |
| Answer» E. | |