| 1. | When steam after doing work in the cylinder passes into a condenser, the engine is said to be ? | |
|
slow speed engine
|
||
|
vertical steam engine
|
||
|
condensing steam engine
|
||
|
non-condensing steam engine
|
||
View Answer
Discuss in Forum
Report Question| 2. | The high steam and low water safety valve is not used in ? | |
|
Cochran boiler
|
||
|
Cornish boiler
|
||
|
Lancashire boiler
|
||
|
Locomotive boiler
|
||
| 3. | Expansion ratio is the ratio of volume ? | |
|
swept volume to the volume at cut-off
|
||
|
clearance volume to the swept volume
|
||
|
volume at cut-off to the swept volume
|
||
|
swept volume to the clearance volume
|
||
| 4. | Lancashire boiler is ? | |
|
stationary fire tube boiler
|
||
|
internally fired boiler
|
||
|
horizontal boiler
|
||
|
all of these
|
||
| 5. | A in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit ? | |
|
blow off cock
|
||
|
fusible plug
|
||
|
stop valve
|
||
|
safety valve
|
||
| 6. | The forced circulation of water does not take place in ? | |
|
La-Mont boiler
|
||
|
Lancashire boiler
|
||
|
Velox boiler
|
||
|
Benson boiler
|
||
| 7. | In a Woolf type compound engine, the high pressure and low pressure cylinders ? | |
|
have common piston rod
|
||
|
are set at 90°
|
||
|
have separate piston rod
|
||
|
are set in V-arrangement
|
||
| 8. | An economiser is installed in a boiler primarily to ? | |
|
superheat the steam
|
||
|
reduce fuel consumption
|
||
|
increase steam pressure
|
||
|
all of these
|
||
| 9. | An economiser is generally placed between ? | |
|
last superheater or reheater and air preheater
|
||
|
induced draft fan and forced draft fan
|
||
|
air preheater and chimney
|
||
|
none of the above
|
||
| 10. | The diameter of internal flue tubes of a Lancashire boiler is about ....... that of its shell. ? | |
|
one-fourth
|
||
|
one-third
|
||
|
two-fifth
|
||
|
one-half
|
||