MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the height gained by the block is half of the initial case, the potential energy will also be ________ of the initial potential energy. |
| A. | Half |
| B. | Double |
| C. | Four times |
| D. | None of the mentioned |
| Answer» B. Double | |
| 2. |
If the velocity of the block is doubled, the kinetic energy of the block will be |
| A. | Half |
| B. | Double |
| C. | Four times |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
A mass having an initial kinetic energy of 40 Jules gets a potential energy of 10 Jules by reaching at a height h. What is the kinetic energy of the mass now?a) 10 Jb) 20 Jc) 30 Jd) 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block? |
| A. | 10 Jb) 20 Jc) 30 Jd) 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block?a) 1 J |
| B. | 20 Jc) 30 Jd) 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block?a) 1 Jb) 2 J |
| C. | 30 Jd) 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block?a) 1 Jb) 2 Jc) 3 J |
| D. | 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block?a) 1 Jb) 2 Jc) 3 Jd) 4 JView Answer |
| Answer» C. 30 Jd) 40 J 3-8. A block having a mass of 1 kg and velocity 2 m/s2 is at the ground.3. What is the kinetic energy of the block?a) 1 Jb) 2 Jc) 3 J | |
| 4. |
IF_THE_HEIGHT_GAINED_BY_THE_BLOCK_IS_HALF_OF_THE_INITIAL_CASE,_THE_POTENTIAL_ENERGY_WILL_ALSO_BE__________OF_THE_INITIAL_POTENTIAL_ENERGY.?$ |
| A. | Half |
| B. | Double |
| C. | Four times |
| D. | None of the mentioned |
| Answer» B. Double | |
| 5. |
If the velocity of the block is doubled, the kinetic energy of the block will b? |
| A. | Half |
| B. | Double |
| C. | Four times |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
If the block is initially at a height of 2 m and with zero velocity. What is the maximum velocity it can gain? |
| A. | 2.26 |
| B. | 4.26 |
| C. | 6.26 |
| D. | 8.26 |
| Answer» D. 8.26 | |
| 7. |
If the block uses the whole energy to gain some height, what will be that height? |
| A. | 0.104 m |
| B. | 0.204 m |
| C. | 0.304 m |
| D. | 0.404 m |
| Answer» C. 0.304 m | |
| 8. |
The total energy of the block _________ in every operation. |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
If the block gets a height of 0.2 m using some of the kinetic energy what is the kinetic energy of the block after reaching the extreme point? |
| A. | 0.01 J |
| B. | 0.02 J |
| C. | 0.03 J |
| D. | 0.04 J |
| Answer» E. | |
| 10. |
If the block gets a height of 5 m, what is the potential energy of the block? |
| A. | 49 J |
| B. | 98 J |
| C. | 87 J |
| D. | 98 J |
| Answer» B. 98 J | |
| 11. |
A block having a mass of 1 kg and velocity 2 m/s2 is at the ground. |
| A. | |
| B. | 1 J |
| C. | 2 J |
| Answer» C. 2 J | |
| 12. |
A mass having an initial kinetic energy of 40 Jules gets a potential energy of 10 Jules by reaching at a height h. What is the kinetic energy of the mass now? |
| A. | 10 J |
| B. | 20 J |
| C. | 30 J |
| D. | 40 J |
| Answer» C. 30 J | |
| 13. |
Law of conservation of energy states that |
| A. | Total energy of the universe is always constant |
| B. | Total energy of the universe is always increasing |
| C. | Total energy of the universe is always decreasing |
| D. | None of the mentioned |
| Answer» B. Total energy of the universe is always increasing | |