McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
| 301. |
Registers capable of shifting in one direction is |
| A. | universal shift register |
| B. | unidirectional shift register |
| C. | unipolar shift register |
| D. | unique shift register |
| Answer» B. unidirectional shift register | |
| 302. |
A register that is used to store binary information is called |
| A. | data register |
| B. | binary register |
| C. | shift register |
| D. | d – register |
| Answer» B. binary register | |
| 303. |
A shift register is defined as |
| A. | the register capable of shifting information to another register |
| B. | the register capable of shifting information either to the right or to the left |
| C. | the register capable of shifting information to the right only |
| D. | the register capable of shifting information to the left only |
| Answer» B. the register capable of shifting information either to the right or to the left | |
| 304. |
How many methods of shifting of data are available? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» A. 2 | |
| 305. |
In serial shifting method, data shifting occurs |
| A. | one bit at a time |
| B. | simultaneously |
| C. | two bit at a time |
| D. | four bit at a time |
| Answer» A. one bit at a time | |
| 306. |
What is the full form of SCADA? |
| A. | supervisory control and document acquisition |
| B. | supervisory control and data acquisition |
| C. | supervisory column and data assessment |
| D. | supervisory column and data assessment |
| Answer» B. supervisory control and data acquisition | |
| 307. |
DCS is a |
| A. | distributed control system |
| B. | data control system |
| C. | data column system |
| D. | distributed column system |
| Answer» A. distributed control system | |
| 308. |
What is SCADA? |
| A. | software |
| B. | process |
| C. | system |
| D. | hardware |
| Answer» B. process | |
| 309. |
The control in SCADA is |
| A. | online control |
| B. | direct control |
| C. | supervisory control |
| D. | automatic control |
| Answer» C. supervisory control | |
| 310. |
Which of the following is an example of the SCADA system? |
| A. | emerson delta v |
| B. | honeywell plantscape |
| C. | yokogawa centum |
| D. | powerstudio deluxe |
| Answer» D. powerstudio deluxe | |
| 311. |
How many levels are present in a complex SCADA system? |
| A. | 3 – levels |
| B. | 5 – levels |
| C. | 4 – levels |
| D. | 6 – levels |
| Answer» C. 4 – levels | |
| 312. |
Which of the following is not the component of a SCADA system? |
| A. | database server |
| B. | i/o system |
| C. | plc controller |
| D. | sparger controller |
| Answer» D. sparger controller | |
| 313. |
Which of the following is used for centralized network databases? |
| A. | raid 2 |
| B. | raid 5 |
| C. | raid 1 |
| D. | raid 2 |
| Answer» B. raid 5 | |
| 314. |
The minimum number of disks in RAID level 2 is |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 1 |
| Answer» A. 3 | |
| 315. |
Which of the following is the heart of a SCADA system? |
| A. | plc |
| B. | hmi |
| C. | alarm task |
| D. | i/o task |
| Answer» D. i/o task | |
| 316. |
Which of the following is also known as striping? |
| A. | raid 2 |
| B. | raid 0 |
| C. | raid 1 |
| D. | raid 2 |
| Answer» B. raid 0 | |
| 317. |
The minimum number of disks in RAID level 4 is five. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 318. |
RAID-1 is also known as mirroring. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 319. |
What is the step angle of a permanent- magnet stepper motor having 8 stator poles |
| A. | 60º |
| B. | 45º |
| C. | 30º |
| D. | 15º |
| Answer» B. 45º | |
| 320. |
Software Design consists of |
| A. | software product design |
| B. | software engineering design |
| C. | software product & engineering design |
| D. | none of the mentioned |
| Answer» C. software product & engineering design | |
| 321. |
Which of the following is true? |
| A. | analysis – solving problem |
| B. | design – understanding problem |
| C. | analysis & design |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 322. |
Which of these are followed in case of software design process? |
| A. | analysis occurs at start of product design with a product idea |
| B. | analysis occurs at the end of engineering design with the srs |
| C. | product design resolution produces the design document |
| D. | engineering design resolution produces the srs |
| Answer» A. analysis occurs at start of product design with a product idea | |
| 323. |
Which of these is not in sequence for generic problem solving strategy? |
| A. | understand the problem |
| B. | generate candidate solutions |
| C. | iterate if no solution is adequate |
| D. | none of the mentioned |
| Answer» C. iterate if no solution is adequate | |
| 324. |
Which of these is not in sequence for generic design process? |
| A. | analyze the problem |
| B. | evaluate candidate solutions |
| C. | finalize the design |
| D. | none of the mentioned |
| Answer» B. evaluate candidate solutions | |
| 325. |
Why do you think iteration is important for design? |
| A. | to frequently reanalyze the problem |
| B. | to generate and improve solutions only once for better output |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» A. to frequently reanalyze the problem | |
| 326. |
What is true about generic software product design process? |
| A. | it begins with srs |
| B. | it ends with product design problem |
| C. | analysis is done and end product is project mission statement |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 327. |
Generic software engineering design process defined by which of these steps? |
| A. | generic software engineering design process first job after analysis is detailed design |
| B. | attention is turned later to architectural design |
| C. | architectural design is not followed by detailed design |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 328. |
Which of these is said to be true about resolution process in generic software engineering design process? |
| A. | architectural design is low resolution process |
| B. | detailed design is high resolution process |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 329. |
Which step among these follows the wrong sequence in software engineering design process? |
| A. | analyze problem |
| B. | generate candidate architecture |
| C. | finalize design |
| D. | select detailed design |
| Answer» C. finalize design | |
| 330. |
Which is the first aspect which needs to be considered in the Mechatronics design process? |
| A. | hardware integration and simulation |
| B. | conceptual design |
| C. | mathematical modeling |
| D. | modeling and simulation |
| Answer» D. modeling and simulation | |
| 331. |
In the level of integration of Mechatronics system, an example of the first level is |
| A. | fluid valves |
| B. | automatic machine tools |
| C. | industrial robots |
| D. | microprocessors |
| Answer» A. fluid valves | |
| 332. |
Interface design is an example of hardware integration. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 333. |
What is the role of the second level in the mechatronics system design? |
| A. | integrates microelectronics into electrically controlled devices |
| B. | integrates electrical signal with mechanical action |
| C. | advanced control strategy level |
| D. | providing artificial intelligence |
| Answer» A. integrates microelectronics into electrically controlled devices | |
| 334. |
Microprocessor based electrical motors are used for |
| A. | prediction of fault in the system |
| B. | correction before a fault occurs |
| C. | actuation purpose in robots |
| D. | providing intelligence |
| Answer» C. actuation purpose in robots | |
| 335. |
Deployment in mechatronics design is associated with the final product. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 336. |
Which phase of a mechatronics system consists of hardware designing? |
| A. | prototyping |
| B. | modeling |
| C. | simulation |
| D. | deployment |
| Answer» A. prototyping | |
| 337. |
What is the function of “analysis” in the modeling and simulation phase? |
| A. | database for maintaining project information |
| B. | sub models for eventual reuse |
| C. | contains numerical methods |
| D. | to produce high-level source code |
| Answer» C. contains numerical methods | |
| 338. |
Describing the behavior characteristics through block diagram is done in |
| A. | modeling and simulation |
| B. | prototyping |
| C. | deployment |
| D. | design optimization |
| Answer» A. modeling and simulation | |
| 339. |
Prototyping involves |
| A. | conceptual design |
| B. | replacing non-computer systems with actual hardware |
| C. | database for maintaining project information |
| D. | sub models for eventual reuse |
| Answer» B. replacing non-computer systems with actual hardware | |
| 340. |
The main aims of an engine management system is to achieve |
| A. | high reliability and durability with lowest possible initial cost |
| B. | high power output and torque |
| C. | low levels of gaseous and particulate emissions |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 341. |
The important parameters in a gasoline engine that can be controlled are |
| A. | air-fuel ratio |
| B. | mixture distribution between cylinders |
| C. | ignition timing |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 342. |
Hall effect pickup use |
| A. | inductive transducers |
| B. | potentiometers |
| C. | thermistors |
| D. | semiconductors |
| Answer» D. semiconductors | |
| 343. |
LVDT is used to measure |
| A. | crank angle |
| B. | engine speed |
| C. | large displacements |
| D. | gas temperature |
| Answer» C. large displacements | |
| 344. |
The disadvantage of the piezoelectric pressure pickup is that |
| A. | it can only give pressure difference |
| B. | it can measure only low pressure |
| C. | it is not suitable for dynamic measurement |
| D. | has too much sensitivity |
| Answer» A. it can only give pressure difference | |
| 345. |
Seebeck effect is used in |
| A. | thermistors |
| B. | thermocouples |
| C. | rtd |
| D. | hot-wire sensor |
| Answer» B. thermocouples | |
| 346. |
Hot-wire sensors are used for measurement of |
| A. | temperature |
| B. | pressure |
| C. | mass flow rate |
| D. | smoke intensity |
| Answer» C. mass flow rate | |
| 347. |
Knock sensors use |
| A. | thermistors |
| B. | thermocouples |
| C. | piezoelectric pickup |
| D. | flap type sensors |
| Answer» C. piezoelectric pickup | |
| 348. |
Catalytic converters use lambda sensors to keep |
| A. | exhaust temperature constant |
| B. | exhaust pressure constant |
| C. | excess air ratio within a range |
| D. | flow rate of air constant |
| Answer» C. excess air ratio within a range | |
| 349. |
The best type of interchange can be provided with |
| A. | rotary |
| B. | diamond |
| C. | partial cloverleaf |
| D. | full cloverleaf |
| Answer» D. full cloverleaf | |
| 350. |
A grade intersection may be provided if the PCU exceeds |
| A. | 5000 |
| B. | 6000 |
| C. | 7000 |
| D. | 10000 |
| Answer» D. 10000 | |
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