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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The premature ignition of fuel is called ____ |
A. | engine knock |
B. | auto-ignition |
C. | detonation |
D. | all of the mentioned |
Answer» C. detonation | |
2. |
Detonation in SI engine is |
A. | noisy and destructive combustion phenomenon |
B. | limits the compression ratio |
C. | it depends on engine design and fuel |
D. | all of the mentioned |
Answer» E. | |
3. |
The constant volume pressure ratio is given by the ratio of pressures of constant volume heat addition. |
A. | true |
B. | false |
Answer» B. false | |
4. |
In Dual cycle, |
A. | all the heat is added at constant volume |
B. | all the heat is added at constant pressure |
C. | some heat is added at constant volume and remaining at constant pressure |
D. | none of the mentioned |
Answer» D. none of the mentioned | |