MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
One ton of refrigeration equals how much Btu/hr. |
| A. | 14,500 Btu/hr |
| B. | 12,000 Btu/hr |
| C. | 13,000 Btu/hr |
| D. | 15,000 Btu/hr |
| Answer» C. 13,000 Btu/hr | |
| 2. |
The efficiency of a combined cycle gas turbine(steam cooled) can range as high as ________ |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 60% |
| Answer» E. | |
| 3. |
Thermal power plants operate on which of these cycles? |
| A. | Otto cycle |
| B. | Rankine cycle |
| C. | Carnot cycle |
| D. | Stirling cycle |
| Answer» C. Carnot cycle | |
| 4. |
A gas undergoes isothermal compression in Carnot cycle. Which step does it undergo? |
| A. | 1st |
| B. | 2nd |
| C. | 3rd |
| D. | 4th |
| Answer» D. 4th | |
| 5. |
A gas undergoes step 4 in Carnot cycle. Which of these processes describes the 2nd step? |
| A. | Isentropic expansion |
| B. | Isentropic compression |
| C. | Isothermal expansion |
| D. | Isothermal compression |
| Answer» C. Isothermal expansion | |
| 6. |
A gas undergoes step 2 in Carnot cycle. Which of these processes describes the 2nd step? |
| A. | Isentropic expansion |
| B. | Isentropic compression |
| C. | Isothermal expansion |
| D. | Isothermal compression |
| Answer» B. Isentropic compression | |
| 7. |
Which of these is a type of reciprocating steam engine? |
| A. | Simple |
| B. | Compound |
| C. | Uniflow |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
Which of these is a power absorbing heat engine? |
| A. | Steam engine |
| B. | Petrol engine |
| C. | Air compressor |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
A steam engine comes under the category of ________ |
| A. | External combustion engines |
| B. | Internal combustion engines |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Internal combustion engines | |
| 10. |
A heat engine converts heat energy from fuel combustion or any other source into which type of work? |
| A. | Electrical work |
| B. | Mechanical work |
| C. | Pressure work |
| D. | None of the mentioned |
| Answer» C. Pressure work | |