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MCQOPTIONS
This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
The percentage voltage regulation (VL) is given by_________ |
| A. | (VNL-VL)/VNL*100 |
| B. | (VNL+VL)/VNL*100 |
| C. | (VNL-VL)/VL*100 |
| D. | (VNL+VL)/VL*100 |
| Answer» B. (VNL+VL)/VNL*100 | |
| 352. |
Sun glasses, computer cases and printing substrate can be done by using _________ |
| A. | Polyurethanes |
| B. | Poly carbonates |
| C. | Poly vinyl cyanide |
| D. | Polyethylene |
| Answer» C. Poly vinyl cyanide | |
| 353. |
Polyurethanes are used for purifying the ________ |
| A. | Water |
| B. | Alcohol |
| C. | Acids |
| D. | Salt solutions |
| Answer» B. Alcohol | |
| 354. |
Polyurethanes are _________ |
| A. | Good conductors |
| B. | Good insulators |
| C. | Having no tensile strength |
| D. | Affected by heat |
| Answer» C. Having no tensile strength | |
| 355. |
Poly carbonates are the durable materials with _________ |
| A. | Low impact resistances |
| B. | High scratch resistance |
| C. | Low scratch resistance |
| D. | Low transparency |
| Answer» D. Low transparency | |
| 356. |
Which of the following fact is true for the masks that includes diagonal neighbors than the masks that doesn’t? |
| A. | Mask that excludes diagonal neighbors has more sharpness than the masks that doesn’t |
| B. | Mask that includes diagonal neighbors has more sharpness than the masks that doesn’t |
| C. | Both masks have same sharpness result |
| D. | None of the mentioned |
| Answer» C. Both masks have same sharpness result | |
| 357. |
Why is scaling of Laplacian filtered images necessary? |
| A. | Because it contain high positive values |
| B. | Because it contain high negative value |
| C. | Because it contain both positive and negative values |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 358. |
An enhanced image can be obtained as: g(x,y)=f(x,y)-∇2 f(x,y), where Laplacian is being subtracted from f(x, y) the input image of size M*Non which an operation f(x, y)(-1)x+yis applied.Unlike enhancing in spatial domain with one single mask, it is possible to perform the same in frequency domain using one filter. Which of the following is/are the required filter(s)? |
| A. | H(u, v)= -[1 + u2+ v2]. |
| B. | H(u, v)= -[(u – M/2)2+ (v– N/2)2]. |
| C. | H(u, v)= [1 + (u – M/2)2+ (v – N/2)2]. |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 359. |
An enhanced image can be obtained as: g(x,y)=f(x,y)-∇2 f(x,y), where Laplacian is being subtracted from f(x, y) the input image. What does this conclude? |
| A. | That the center spike would be negative |
| B. | That the immediate neighbors of center spike would be positive. |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 360. |
Computing the Fourier transform of the Laplacian result in spatial domain is equivalent to multiplying the F(u, v), Fourier transformed function of f(x, y) an input image of size M*N, and H(u, v), the filter used for implementing Laplacian in frequency domain. This dual relationship is expressed as Fourier transform pair notation given by_____________ |
| A. | ∇2 f(x,y)↔[(u –M/2)2+ (v –N/2)2]F(u,v) |
| B. | ∇2 f(x,y)↔-[(u+M/2)2– (v+N/2)2]F(u,v) |
| C. | ∇2 f(x,y)↔-[(u –M/2)2+ (v –N/2)2]F(u,v) |
| D. | ∇2 f(x,y)↔[(u+M/2)2– (v+N/2)2]F(u,v) |
| Answer» D. ∇2 f(x,y)↔[(u+M/2)2– (v+N/2)2]F(u,v) | |
| 361. |
Assuming that the origin of F(u, v), Fourier transformed function of f(x, y) an input image, has been correlated by performing the operation f(x, y)(-1)x+y prior to taking the transform of the image. If F and f are of same size M*N, where does the point (u, v) =(0,0) shifts? |
| A. | (M -1, N -1) |
| B. | (M/2, N/2) |
| C. | (M+1, N+1) |
| D. | (0, 0) |
| Answer» C. (M+1, N+1) | |
| 362. |
If the Laplacian in frequency domain is: where is the Fourier transform operator and F(u, v) is Fourier transformed function of f(x, y), then what is -(u2+ v2) is considered as? |
| A. | Laplacian operation |
| B. | Filtering operation |
| C. | Shift operation |
| D. | None of the mentioned |
| Answer» C. Shift operation | |
| 363. |
The expression [∂2 f(x,y)/∂x2 +∂2 f(x,y)/∂y2] is considered as _________ where f(x, y) is an input image. |
| A. | Laplacian of f(x, y) |
| B. | Gradient of f(x, y) |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Gradient of f(x, y) | |
| 364. |
Most studies on perfusion bioreactors have focused on the construction of small-sized, engineered bone tissues. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 365. |
Osteogenesis is higher when using spinner-flask bioreactors compared to when using Rotating Wall Vessel bioreactors. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 366. |
For cartilage TE, spinner-flask bioreactors have been used to recreate the in vivo physicochemical conditions of cartilage development. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 367. |
Rotating Wall vessel bioreactors are widely used for Cartilage Tissue Engineering because they provide a favorable Hydrodynamic environment for cartilage differentiation. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 368. |
_________ spectroscopy depends on the association of an outside field with the electric dipole moment of the specimen, generally indicated by the permittivity. |
| A. | Dielectric |
| B. | Capacitor |
| C. | Transducer |
| D. | Electrochemical |
| Answer» B. Capacitor | |
| 369. |
In traditional ________ bioreactors, cell-laden scaffolds float in the medium while the vessel wall rotates. |
| A. | rotating wall vessel |
| B. | perfusion |
| C. | photo |
| D. | aerobic |
| Answer» B. perfusion | |
| 370. |
Sun et al. successfully used an RWV system to establish an in vitro tooth germ culture model. |
| A. | TRUE |
| B. | FALSE |
| Answer» B. FALSE | |
| 371. |
Which of the following is used to reset the device in 8250? |
| A. | MR |
| B. | DDIS |
| C. | INTR |
| D. | RCLK |
| Answer» B. DDIS | |
| 372. |
Fallopian tube is differentiated into ____________ parts. |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» B. 4 | |
| 373. |
If mammalian ovum fails to get fertilized which one of the following is unlikely? |
| A. | Corpus luteum will degenerate |
| B. | Estrogen secretion decreases |
| C. | Primary follicle starts developing |
| D. | Progesterone level declines |
| Answer» E. | |
| 374. |
Fertilization of egg by sperm occurs in ____________ |
| A. | Oviduct |
| B. | Ovary |
| C. | Uterus |
| D. | Vagina |
| Answer» B. Ovary | |
| 375. |
The outside layer of the oocyte is the ______________ |
| A. | Zona pellucida |
| B. | Theca interna |
| C. | Theca externa |
| D. | Antrum |
| Answer» B. Theca interna | |
| 376. |
If N2 is the excess reactant then |
| A. | x = y |
| B. | 3x > y |
| C. | x < y |
| D. | 3x < y |
| Answer» C. x < y | |
| 377. |
If the feed contains 5 moles of each component of the feed, which one is the excess reactant?a) Alb) CuCl2c) Neither Al nor CuCl2d) None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant then |
| A. | Alb) CuCl2c) Neither Al nor CuCl2d) None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant thena) x = y |
| B. | CuCl2c) Neither Al nor CuCl2d) None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant thena) x = yb) 3x < y |
| C. | Neither Al nor CuCl2d) None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant thena) x = yb) 3x < yc) x > y |
| D. | None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant thena) x = yb) 3x < yc) x > yd) 3x > yView Answer |
| Answer» B. CuCl2c) Neither Al nor CuCl2d) None of the mentioned 9-10. If for the given reactionN2 + 3 H2 → 2NH3, The feed contains x moles of N2 and y moles of H2.9. If N2 is the limiting reactant thena) x = yb) 3x < y | |
| 378. |
Which one is the excess reactant?a) CH4b) O2c) Both CH4 and O2d) Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction? |
| A. | CH4b) O2c) Both CH4 and O2d) Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction?a) 1.64 moles |
| B. | O2c) Both CH4 and O2d) Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction?a) 1.64 molesb) 3.28 mole |
| C. | Both CH4 and O2d) Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction?a) 1.64 molesb) 3.28 molec) 3.69 mole |
| D. | Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction?a) 1.64 molesb) 3.28 molec) 3.69 moled) 2.46 moleView Answer |
| Answer» B. O2c) Both CH4 and O2d) Neither CH4 nor O2 6-8. For the given reaction, 2 Al + 3 CuCl2 → 2 AlCl3 + 3 Cu6. How many moles of Al will react with 2.46 mole CuCl2 according to the reaction?a) 1.64 molesb) 3.28 mole | |
| 379. |
The reactant with the smallest maximum extent of reaction is the ___________ reactant.a) Excessb) Limitingc) Neither excess nor limitingd) None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant? |
| A. | Excessb) Limitingc) Neither excess nor limitingd) None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant?a) CH4 |
| B. | Limitingc) Neither excess nor limitingd) None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant?a) CH4b) O2 |
| C. | Neither excess nor limitingd) None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant?a) CH4b) O2c) Both CH4 and O2 |
| D. | None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant?a) CH4b) O2c) Both CH4 and O2d) Neither CH4 nor O2View Answer |
| Answer» C. Neither excess nor limitingd) None of the mentioned 4-5. CH4 is burned in the availability of oxygen. If there is 5 moles of each of the feed component is present, then4. Which one is the limiting reactant?a) CH4b) O2c) Both CH4 and O2 | |
| 380. |
All reactants other than limiting reactant are |
| A. | Excess reactant |
| B. | Other reactants |
| C. | Extent reactant |
| D. | None of the mentioned |
| Answer» B. Other reactants | |
| 381. |
The value of event_scheduler that enables checking status but not changing it at runtime is ______________ |
| A. | ON |
| B. | OFF |
| C. | DISABLED |
| D. | ENABLED |
| Answer» D. ENABLED | |
| 382. |
The statement that is used to check the status of the event scheduler at runtime is _____________ |
| A. | SHOW STATUS OF ‘event_scheduler’ |
| B. | SHOW VARIABLES OF ‘event_scheduler’ |
| C. | SHOW STATUS LIKE ‘event_scheduler’ |
| D. | SHOW VARIABLES LIKE ‘event_scheduler’ |
| Answer» E. | |
| 383. |
The line that is not used to turn on the event scheduler is _________________ |
| A. | event_scheduler = ON |
| B. | eventscheduler = ON |
| C. | event_scheduler_ON |
| D. | events_scheduler_ON |
| Answer» B. eventscheduler = ON | |
| 384. |
What does the expression ‘2 BETWEEN 2 AND 5’ result in? |
| A. | True |
| B. | False |
| C. | -1 |
| D. | 2 |
| Answer» B. False | |
| 385. |
What does ‘abc’ || ‘xyz’, when PIPES_AS_CONCAT is enabled, result in? |
| A. | 0 |
| B. | 1 |
| C. | abcxyz |
| D. | xyzabc |
| Answer» D. xyzabc | |
| 386. |
Which table lists the accounts and the databases for which the privileges are provided? |
| A. | user |
| B. | db |
| C. | tables_priv |
| D. | procs_priv |
| Answer» C. tables_priv | |
| 387. |
Mass sensors are a combination of SAW. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 388. |
Photo ionization and flame ionization technique are most favoured in detection of ____________ |
| A. | Organic gases |
| B. | Inorganic gases |
| C. | Vapours |
| D. | All of the mentioned |
| Answer» B. Inorganic gases | |
| 389. |
IR sensors are used in detection of _______________ |
| A. | Organic gases |
| B. | Inorganic gases |
| C. | Vapours |
| D. | All of the mentioned |
| Answer» E. | |
| 390. |
Which of the following change electrical conductivity on the absorption of a gas molecule? |
| A. | Tin |
| B. | Zinc |
| C. | Nickel |
| D. | All of the mentioned |
| Answer» E. | |
| 391. |
The sub-routine service procedure is similar to that of the interrupt service routine in ________ |
| A. | Method of context switch |
| B. | Returning |
| C. | Process execution |
| D. | Method of context switch & Process execution |
| Answer» E. | |
| 392. |
The data structure suitable for scheduling processes is _______ |
| A. | List |
| B. | Heap |
| C. | Queue |
| D. | Stack |
| Answer» D. Stack | |
| 393. |
The stack frame for each subroutine is present in ______ |
| A. | Main memory |
| B. | System Heap |
| C. | Processor Stack |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 394. |
In the case of nested subroutines, the stack top is always _________ |
| A. | The saved contents of the called sub routine |
| B. | The saved contents of the calling sub routine |
| C. | The return addresses of the called sub routine |
| D. | None of the mentioned |
| Answer» B. The saved contents of the calling sub routine | |
| 395. |
The private work space dedicated to a subroutine is called as ________ |
| A. | System heap |
| B. | Reserve |
| C. | Stack frame |
| D. | Allocation |
| Answer» D. Allocation | |
| 396. |
A constant pressure piston/cylinder contains 2 kg of water at 5 MPa and 100°C. Heat is added from a reservoir at 700°C to the water until it reaches 700°C. Find the total irreversibility in the process. |
| A. | 1572 kJ |
| B. | 1672 kJ |
| C. | 1772 kJ |
| D. | 1872 kJ |
| Answer» B. 1672 kJ | |
| 397. |
Evaluate the steady state exergy flux due to a heat transfer of 250 W through a wall with 400 K on one side and 600 K on the other side. Also find the exergy destruction in the wall. |
| A. | 52 W |
| B. | 62 W |
| C. | 72 W |
| D. | 82 W |
| Answer» C. 72 W | |
| 398. |
Which law is used for exergy balance? |
| A. | first law |
| B. | second law |
| C. | first law and second law |
| D. | third law |
| Answer» D. third law | |
| 399. |
For an isolated system, the exergy balance gives |
| A. | ΔA=-I |
| B. | ΔA=I |
| C. | ΔA=0 |
| D. | none of the mentioned |
| Answer» B. ΔA=I | |
| 400. |
For a closed system, availability or exergy transfer occurs through |
| A. | heat interactions |
| B. | work interactions |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |