MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
HCV stands for? |
| A. | Higher Combustion Value |
| B. | Higher Convection Value |
| C. | Higher Calorific Value |
| D. | Higher Calorific Value |
| Answer» E. | |
| 2. |
The internal energy of products minus the internal energy of reactants for complete combustion at specific temperature & pressure gives the internal energy of? |
| A. | combustion |
| B. | partial combustion |
| C. | complete combustion |
| D. | none of the mentioned |
| Answer» B. partial combustion | |
| 3. |
The difference between the enthalpy of products & the enthalpy of reactants when complete combustion occurs at specific temperature & pressure is called? |
| A. | Enthalpy of burning |
| B. | Enthalpy of Combustion |
| C. | Enthalpy of complete combustion |
| D. | None of the mentioned |
| Answer» C. Enthalpy of complete combustion | |
| 4. |
Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. |
| A. | 10 & 3 |
| B. | 3 & 10 |
| C. | 15 & 8 |
| D. | 10 & 20 |
| Answer» B. 3 & 10 | |
| 5. |
Grindability index of a coal is 100. It implies that the __________ |
| A. | coal can be easily pulverised |
| B. | coal can be pulverised with great difficulty |
| C. | coal can’t be pulverised |
| D. | power consumption in grinding the coal will be very high |
| Answer» B. coal can be pulverised with great difficulty | |
| 6. |
Which of these is not a reason for reduction in maximum flame temperature in actuality? |
| A. | incomplete combustion |
| B. | heat loss to exhaust gases |
| C. | excess air requirements |
| D. | heat loss to surroundings |
| Answer» C. excess air requirements | |
| 7. |
Bomb calorimeter is used determine the calorific value of ___________ |
| A. | solid fuels |
| B. | liquid fuels |
| C. | both solid and liquid fuels |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
Higher efficiency in combustion of solid fuel cannot be achieved by ___________ |
| A. | keeping flue gas temperature very high |
| B. | proper fuel preparation |
| C. | supplying correct quantity of combustion air |
| D. | adopting efficient fuel-firing technique and equipment |
| Answer» B. proper fuel preparation | |
| 9. |
Internal energy of combustion products is ______________ than that of reactants. |
| A. | less |
| B. | more or less (depends on state of fuel) |
| C. | same |
| D. | more |
| Answer» B. more or less (depends on state of fuel) | |