MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2351. |
What are the probable causes of hunting? |
| A. | sudden change in load |
| B. | fault in supply |
| C. | sudden change in field current |
| D. | all of the mentioned |
| Answer» E. | |
| 2352. |
Effects of hunting are/is ___________ |
| A. | mechanical stress |
| B. | surge in current |
| C. | rise in temperature |
| D. | all of the mentioned |
| Answer» E. | |
| 2353. |
The satisfactory operation of the synchronous machine means ___________ |
| A. | mechanical speed of rotor is equal to stator field speed |
| B. | mechanical speed is zero |
| C. | stator field is stationary |
| D. | none of the mentioned |
| Answer» B. mechanical speed is zero | |
| 2354. |
The relative speed between rotor and stator field is zero. This means ___________ |
| A. | mechanical speed of rotor is equal to stator field speed |
| B. | mechanical speed is zero |
| C. | stator field is stationary |
| D. | none of the mentioned |
| Answer» B. mechanical speed is zero | |
| 2355. |
In how many of the following applications, wire cut EDM can be used?– Manufacturing of progressive, blanking and trim dies– Extrusion dies– Cutting difficult to machine materials like hastaloy, inconel and titanium– Cutting narrow slots and keyways– Manufacturing of parts where burrs can’t be tolerated. |
| A. | 1 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |
| 2356. |
Which of the following is not the effect of less maintenance of the wire cut EDM machines? |
| A. | Wire breaks |
| B. | Lines in the part |
| C. | Lowered time to complete the job |
| D. | Rough surfaces |
| Answer» D. Rough surfaces | |
| 2357. |
Submerged cutting helps cutting the workpieces without hampering the flush. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2358. |
When it is not possible to have the flushing nozzles close to the top or bottom of the workpiece _____ machines may require constant adjustment of the top and bottom flush. |
| A. | submerged type |
| B. | splash flush |
| C. | rigid flush |
| D. | stock flush |
| Answer» C. rigid flush | |
| 2359. |
How many of the following processes does not need submerged machining capabilities?– starting a cut from the edge of a workpiece-slicing a tube-slicing a bar stock-starting a cut from a large diameter start hole. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 2360. |
Submerged machining is extremely useful for applications that generally have_____ |
| A. | poor flushing conditions |
| B. | intricate shapes |
| C. | tapered sections |
| D. | good weldability |
| Answer» B. intricate shapes | |
| 2361. |
Colony-forming units per ml is the unit of _____________ |
| A. | Microscopic count |
| B. | Electronic enumeration |
| C. | Plate count |
| D. | Turbidimetric measurement |
| Answer» D. Turbidimetric measurement | |
| 2362. |
Which of the following method is used for enumeration of bacteria in vaccines and cultures? |
| A. | Microscopic Count |
| B. | Membrane filter |
| C. | Plate count |
| D. | Dry weight determination |
| Answer» B. Membrane filter | |
| 2363. |
Which of the following method is used for a viable count of a culture? |
| A. | Direct microscopic count |
| B. | Plate-count method |
| C. | Membrane-filter count |
| D. | Plate-count method and membrane-filter count |
| Answer» E. | |
| 2364. |
Which of the following instrument is used for the bacterial count? |
| A. | Petroff-Hausser counting chamber |
| B. | Microscope |
| C. | Chemostat |
| D. | Turbidostat |
| Answer» B. Microscope | |
| 2365. |
Which of the following is an indirect method for measuring bacterial growth? |
| A. | Cell count |
| B. | Cell mass |
| C. | Cell activity |
| D. | Both Cell mass and Cell activity |
| Answer» D. Both Cell mass and Cell activity | |
| 2366. |
Signal and its Hilbert transform have ________ |
| A. | same energy density spectrum |
| B. | same power |
| C. | a phase difference of 60° |
| D. | a phase difference of 120° |
| Answer» B. same power | |
| 2367. |
For signal, m(t) = 50cos(10 × 90t + 30 sin100t), the power dissipated by the 20Ω resistor is ________ |
| A. | 100W |
| B. | 65W |
| C. | 74.7W |
| D. | 62.5W |
| Answer» E. | |
| 2368. |
Carson’s rule is used to calculate ________ |
| A. | Bandwidth of FM signal |
| B. | SNR |
| C. | Modulation index of FM signal |
| D. | Figure of merit |
| Answer» B. SNR | |
| 2369. |
Consider an AM broadcast station that transmits modulating frequencies up to 10kHz. If it transmits a frequency of 1000 kHz. Find its maximum and minimum upper and lower sidebands frequencies and also the total bandwidth? |
| A. | 900 KHz, 820 KHz, 1000 Hz |
| B. | 720 KHz, 650 KHz, 1020 Hz |
| C. | 1010 KHz, 880 KHz, 15000 Hz |
| D. | 1010 KHz, 990 KHz, 20000 Hz |
| Answer» E. | |
| 2370. |
What is the need of doing Pre emphasis? |
| A. | For boosting of modulating signal voltage |
| B. | For boosting of modulating signal frequency |
| C. | For removing amplitude variations due to noise |
| D. | For removing frequency variations |
| Answer» B. For boosting of modulating signal frequency | |
| 2371. |
Calculate the Nyquist rate for the signal x(t) = 12cos50πt + 7 cos75π t – 13 cos100πt. |
| A. | 300 Hz |
| B. | 600 Hz |
| C. | 100 Hz |
| D. | 150 Hz |
| Answer» D. 150 Hz | |
| 2372. |
Which among the following is the drawback of Pulse Position Modulation (PPM)? |
| A. | Synchronization is required between receiver and transmitter |
| B. | Synchronization is not required between receiver and transmitter |
| C. | Amplitude is constant |
| D. | Instantaneous power of PPM modulated signals is constant |
| Answer» B. Synchronization is not required between receiver and transmitter | |
| 2373. |
___________ is a type of software testing which verifies that software, which was previously developed and tested, still performs correctly after it was changed or interfaced with other software. |
| A. | Unit Testing |
| B. | Regression Testing |
| C. | Stress Testing |
| D. | Functional Testing |
| Answer» C. Stress Testing | |
| 2374. |
A __________ is an (often times virtual) environment used to verify the correctness soundness of a design or model, like that of a software product. |
| A. | Test model |
| B. | Test criteria |
| C. | Test Flow |
| D. | Test bench |
| Answer» E. | |
| 2375. |
The test execution engine does not carry any information about the ___________ product. |
| A. | untested |
| B. | tested |
| C. | marketed |
| D. | semi-tested |
| Answer» B. tested | |
| 2376. |
A ______________ is the second phase of software testing in which a sampling of the intended audience tests the product. |
| A. | Alpha |
| B. | Beta |
| C. | Gamma |
| D. | Delta |
| Answer» C. Gamma | |
| 2377. |
Estimation cost provided for water supply and electrification is __________ |
| A. | 4% and 6% |
| B. | 18% and 18% |
| C. | 08% and 08% |
| D. | 12% and 15% |
| Answer» D. 12% and 15% | |
| 2378. |
Large cornice is measured in ________ |
| A. | q ft |
| B. | g ft |
| C. | r ft |
| D. | t ft |
| Answer» D. t ft | |
| 2379. |
Multiplying factor for prefix “atto” is _______ |
| A. | 10-8 |
| B. | 1018 |
| C. | 10-18 |
| D. | 108 |
| Answer» D. 108 | |
| 2380. |
Earthwork in plinth filling is calculated by taking _____________ |
| A. | External dimensions b/w plinth walls |
| B. | Vertical dimensions b/w plinth walls |
| C. | Internal dimensions b/w plinth walls |
| D. | Total dimensions b/w plinth walls |
| Answer» D. Total dimensions b/w plinth walls | |
| 2381. |
An index cannot cover a query on a _______ collection when run against a mongos if the index does not contain the shard key. |
| A. | vertical |
| B. | sharded |
| C. | horizontal |
| D. | none of the mentioned |
| Answer» C. horizontal | |
| 2382. |
Which of the following operator is not very selective? |
| A. | $nine |
| B. | $nin |
| C. | $ain |
| D. | None of the mentioned |
| Answer» C. $ain | |
| 2383. |
Which of the following will display complete list of available cursor flags? |
| A. | cursor.Option() |
| B. | cursor.addOption() |
| C. | cursor.addOptions() |
| D. | all of the mentioned |
| Answer» C. cursor.addOptions() | |
| 2384. |
Which of the following flag can be set by mongo shell? |
| A. | Timeout |
| B. | noTimeout |
| C. | Time |
| D. | None of the mentioned |
| Answer» C. Time | |
| 2385. |
How many node object properties are there? |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 17 |
| Answer» D. 17 | |
| 2386. |
Which of the following Node types have a node value equal to null? |
| A. | Document |
| B. | DocumentFragment |
| C. | DocumentType |
| D. | All of the mentioned |
| Answer» E. | |
| 2387. |
How many nodetype – named constants are available? |
| A. | 13 |
| B. | 11 |
| C. | 12 |
| D. | 10 |
| Answer» D. 10 | |
| 2388. |
What is the purpose of the DocumentFragment node type? |
| A. | To hold a portion of a document |
| B. | To split the document into fragments |
| C. | To hold the entire document |
| D. | To hold the fragments |
| Answer» B. To split the document into fragments | |
| 2389. |
Which of the following is the child(s) of the node type EntityReference? |
| A. | Element |
| B. | Text |
| C. | Both Element and Text |
| D. | Entity |
| Answer» D. Entity | |
| 2390. |
What is the purpose of the method item()? |
| A. | Returns node after the specified index |
| B. | Returns node before the specified index |
| C. | Returns node at specified index |
| D. | Returns the node following the specified node |
| Answer» D. Returns the node following the specified node | |
| 2391. |
What does the nodeName of the nodeType Document return? |
| A. | doctype name |
| B. | target |
| C. | #comment |
| D. | #document |
| Answer» E. | |
| 2392. |
What does a Node object represent? |
| A. | Single node |
| B. | Set of nodes |
| C. | Sequence of nodes |
| D. | Node array |
| Answer» B. Set of nodes | |
| 2393. |
Two capacitors having voltage 2F and 4F are connected in series. This combination is connected to a 100V supply, calculate the voltage across the 2F capacitor. |
| A. | 66.67V |
| B. | 33.33V |
| C. | 100V |
| D. | 0V |
| Answer» B. 33.33V | |
| 2394. |
Two 4F capacitors are connected in series, calculate the voltage across each if the total voltage is 20V. |
| A. | 10V |
| B. | 5V |
| C. | 20V |
| D. | 0V |
| Answer» B. 5V | |
| 2395. |
Calculate the voltage across the 6F capacitor. |
| A. | 120V |
| B. | 60V |
| C. | 40V |
| D. | 220V |
| Answer» D. 220V | |
| 2396. |
What is the voltage across the 4F capacitor? |
| A. | 120V |
| B. | 60V |
| C. | 100V |
| D. | 220V |
| Answer» C. 100V | |
| 2397. |
What is the voltage across the 2F capacitor? |
| A. | 240V |
| B. | 200V |
| C. | 220V |
| D. | 120V |
| Answer» E. | |
| 2398. |
The total voltage drop across a series of capacitors is __________ |
| A. | The voltage drop across any one of the capacitors |
| B. | The sum of the voltage drop across each of the capacitors |
| C. | The product of the voltage drop across each of the capacitors |
| D. | Zero |
| Answer» C. The product of the voltage drop across each of the capacitors | |
| 2399. |
Non-metallic materials are primarily used in manufacturing _____________ |
| A. | fuselage |
| B. | engine |
| C. | wing tips and stabilizer tips |
| D. | seats |
| Answer» D. seats | |
| 2400. |
Which of the following components is/are used in making aircraft wings? |
| A. | Titanium alloys |
| B. | Graphite |
| C. | Aluminium alloys |
| D. | Titanium alloys and aluminium alloys |
| Answer» B. Graphite | |