MCQOPTIONS
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MCQOPTIONS
This section includes 564 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
The fire tubes in a Scotch marine boiler are |
| A. | horizontal |
| B. | vertical |
| C. | inclined |
| D. | - |
| Answer» B. vertical | |
| 552. |
The shell diameter of a Locomotive boiler is |
| A. | 1 m |
| B. | 1.5 m |
| C. | 2 m |
| D. | 2.5 m |
| Answer» C. 2 m | |
| 553. |
The effect of wire drawing is to decrease the area of indicator diagram and thus work done by the engine is reduced. |
| A. | Agree |
| B. | Disagree |
| C. | - |
| D. | - |
| Answer» B. Disagree | |
| 554. |
An economiser __________ the steam raising capacity of a boiler. |
| A. | increases |
| B. | decreases |
| C. | has no effect on |
| D. | - |
| Answer» B. decreases | |
| 555. |
The diameter of flue tube in a Cornish boiler is __________ that of the shell. |
| A. | one-fourth |
| B. | one-third |
| C. | two-fifth |
| D. | three-fifth |
| Answer» E. | |
| 556. |
A draught produced by a chimney due to the difference of densities between the hot gases inside the chimney and cold atmospheric air outside it, is called natural draught. |
| A. | Yes |
| B. | No |
| C. | - |
| D. | - |
| Answer» B. No | |
| 557. |
The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet. |
| A. | higher |
| B. | lower |
| C. | - |
| D. | - |
| Answer» B. lower | |
| 558. |
Willian's line for the steam engine is a straight line relationship between the steam consumption per hour and |
| A. | indicated power |
| B. | brake power |
| C. | efficiency |
| D. | pressure of steam |
| Answer» B. brake power | |
| 559. |
Which of the following statement is correct for a compound steam engine ? |
| A. | The cost of the engine, for the same power and economy, is more than that of a simple steam engine. |
| B. | The forces in the working parts are increased as the forces are distributed over more parts. |
| C. | The ratio of expansion is reduced, thus reducing the length of stroke. |
| D. | The temperature range per cylinder is increased, with corresponding increase in condensation. |
| Answer» D. The temperature range per cylinder is increased, with corresponding increase in condensation. | |
| 560. |
The function of a connecting rod is not to convert reciprocating motion of the piston into rotary motion. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» C. - | |
| 561. |
La-mont boiler, is a high pressure water tube steam boiler working on forced circulation. |
| A. | Agree |
| B. | Disagree |
| C. | - |
| D. | - |
| Answer» B. Disagree | |
| 562. |
Loeffler boiler is a water tube boiler using a forced circulation of water. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» B. False | |
| 563. |
A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» B. False | |
| 564. |
In water tube boilers |
| A. | water passes through the tubes which are surrounded by flames and hot gases |
| B. | the flames and hot gases pass through the tubes which are surrounded by water |
| C. | forced circulation takes place |
| D. | none of these |
| Answer» B. the flames and hot gases pass through the tubes which are surrounded by water | |