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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.
| 4451. |
Consider the following operation performed on a stack of size 5. |
| A. | ; |
| B. | ; |
| C. | ; |
| D. | ; |
| Answer» B. ; | |
| 4452. |
Statement 1: In Pulsed Electric field, food is kept between two electrodes and electricity is passed to deactivate microbes. |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 4453. |
Slaked lime solution is mixed with tallow oil with constant stirring to produced_________ |
| A. | solution base greases |
| B. | cup greases |
| C. | complex greases |
| D. | lithium base greases |
| Answer» C. complex greases | |
| 4454. |
The electrical system of an automobile contains which of the following |
| A. | Battery |
| B. | Alternators |
| C. | Lighting systems |
| D. | All of the mentioned |
| Answer» E. | |
| 4455. |
Which of the problems were not answered when the turing machine was invented? |
| A. | Does a machine exists that can determine whether any arbitrary machine on its tape is circular. |
| B. | Does a machine exists that can determine whether any arbitrary machine on its tape is ever prints a symbol |
| C. | Hilbert Entscheidungs problem |
| D. | None of the mentioned |
| Answer» E. | |
| 4456. |
Oligonucleotides can’t be referred to:$ |
| A. | undefined sequences |
| B. | sequences that can be used as PCR primers |
| C. | sequences that can be used in DNA sequencing |
| D. | sequences that can be used in identifying complementary DNA molecules |
| Answer» B. sequences that can be used as PCR primers | |
| 4457. |
What is the formula for the cross sectional area of the secondary conductor of the transformer? |
| A. | cross sectional area = secondary current * current density |
| B. | cross sectional area = secondary current + current density |
| C. | cross sectional area = secondary current / current density |
| D. | cross sectional area = secondary current – current density |
| Answer» D. cross sectional area = secondary current ‚Äö√Ñ√∂‚àö√ë‚àö¬® current density | |
| 4458. |
In CO2 laser, ‘He’ gas is used for cooling purpose.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4459. |
Which of the following can lead to broken porous silicon samples? |
| A. | High current density |
| B. | High concentration of electrolyte |
| C. | Inappropriate design of cell |
| D. | High temperature of the cell |
| Answer» D. High temperature of the cell | |
| 4460. |
The general solution of linear and homogenous differential equation (second form) is of the form |
| A. | γ = C <sub>1 </sub>e <sup>2 m x</sup> + C <sub>2 </sub>e <sup>– m x</sup> |
| B. | γ = C <sub>1 </sub>e <sup>3m x</sup> + C <sub>2 </sub>e <sup>– m x</sup> |
| C. | γ = C <sub>1 </sub>e <sup>4 m x</sup> + C <sub>2 </sub>e <sup>– m x</sup> |
| D. | γ = C <sub>1 </sub>e <sup>m x</sup> + C <sub>2 </sub>e <sup>– m x</sup> |
| Answer» E. | |
| 4461. |
Twin-T filter is band reject and Notch filter is band pass filter. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4462. |
What is unsupervised learning? |
| A. | weight adjustment based on deviation of desired output from actual output |
| B. | weight adjustment based on desired output only |
| C. | weight adjustment based on local information available to weights |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4463. |
When two wires of different material are joined together at either ends, forming two junctions which are maintained at different temperature, a _________ force is generated |
| A. | thermo-motive |
| B. | electro-motive |
| C. | chemical reactive |
| D. | mechanical |
| Answer» B. electro-motive | |
| 4464. |
Which of the following is a lower pair? |
| A. | ball and socket |
| B. | piston and cylinder |
| C. | cam and follower |
| D. | both a and b |
| Answer» E. | |
| 4465. |
The process of, A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server is ___________ |
| A. | Active open |
| B. | Active close |
| C. | Passive close |
| D. | Passive open |
| Answer» B. Active close | |
| 4466. |
What marks the difference between the solenoid and the zig – zag models of 30 nm fibres?$ |
| A. | Linker histone molecule |
| B. | Linker DNA |
| C. | Nucleosome structure |
| D. | 10 nm fibre |
| Answer» C. Nucleosome structure | |
| 4467. |
Which of the following shows incorrect matching? |
| A. | Group I : G base |
| B. | U1 : Exon |
| C. | U2AF : U2 |
| D. | U6 : U2 |
| Answer» E. | |
| 4468. |
The root element of an XHTML document must be html, and must contain an __________ attribute to associate it with the XHTML namespace. |
| A. | source |
| B. | src |
| C. | xmlns |
| D. | link |
| Answer» B. src | |
| 4469. |
Membranes that lie between bone and soft tissue ____________ |
| A. | Ascending |
| B. | Descending |
| C. | Reflexes |
| D. | Meninges |
| Answer» E. | |
| 4470. |
In the quantitative analysis of a particular crystalline phase which of the following material is used as an internal standard? |
| A. | β-Al<sub>2</sub>O<sub>3</sub> |
| B. | α-B<sub>2</sub>O<sub>5</sub> |
| C. | β-B<sub>2</sub>O<sub>5</sub> |
| D. | α-Al<sub>2</sub>O<sub>3</sub> |
| Answer» E. | |
| 4471. |
From above fig, if the solids inlet is interchanged with air inlet how would it impact the process? |
| A. | Increases the load on the pumps |
| B. | Difficulty for solids outlet |
| C. | No proper mixing |
| D. | All of the mentioned |
| Answer» E. | |
| 4472. |
The total number of complex multiplications required to compute N point DFT by radix-2 FFT is: |
| A. | (N/2)log<sub>2</sub>N |
| B. | Nlog<sub>2</sub>N |
| C. | (N/2)logN |
| D. | None of the mentioned |
| Answer» B. Nlog<sub>2</sub>N | |
| 4473. |
What is the basic unit of behavioral description? |
| A. | Structure |
| B. | Sequence |
| C. | Process |
| D. | Dataflow |
| Answer» D. Dataflow | |
| 4474. |
Linked list data structure offers considerable saving in |
| A. | Computational Time |
| B. | Space Utilization |
| C. | Space Utilization and Computational Time |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4475. |
Maximum value of critical radius is |
| A. | 0.01 m |
| B. | 0.04 m |
| C. | 0.06 m |
| D. | 0.0001 m |
| Answer» B. 0.04 m | |
| 4476. |
If E1 is the bond enthalpy of a sigma-bond and E2 is that of a pi-bond, then: |
| A. | E1 > E2 |
| B. | E1 = E2 |
| C. | E1 < E2 |
| D. | Can’t be predicted |
| Answer» B. E1 = E2 | |
| 4477. |
Insulators making rubbing contact require _______ |
| A. | Low conductivity |
| B. | High conductivity |
| C. | Low pressure |
| D. | High pressure |
| Answer» B. High conductivity | |
| 4478. |
The instruction that is used as prefix to an instruction to execute it repeatedly until the CX register becomes zero is |
| A. | SCAS |
| B. | REP |
| C. | CMPS |
| D. | STOS |
| Answer» C. CMPS | |
| 4479. |
Entner-Doudoroff pathway takes place only in procaryotes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4480. |
IS 457:1957 is for __________ |
| A. | Code of practice for general construction of plain and reinforced concrete for dams and other massive structures |
| B. | Specification for Portland pozzolana cement flyash based |
| C. | Specification for Portland pozzolana cement calcined clay based |
| D. | Methods of test for pozzolanic materials |
| Answer» B. Specification for Portland pozzolana cement flyash based | |
| 4481. |
Discharge in outward flow reaction turbine ____________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | Gradually decreases |
| Answer» B. Decreases | |
| 4482. |
Name the physiological uncoupler which stops ATP synthesis. |
| A. | 2, 4-dinitrophenol |
| B. | Dicoumarol |
| C. | FCCP |
| D. | Thermogenin |
| Answer» E. | |
| 4483. |
Which of the following is not a type of related processes? |
| A. | Soldering |
| B. | Percussion |
| C. | Brazing |
| D. | Hard-pressing |
| Answer» C. Brazing | |
| 4484. |
Determine the charge that produces an electric field strength of 40 V/cm at a distance of 30cm in vacuum(in 10-8C) |
| A. | 4 |
| B. | 2 |
| C. | 8 |
| D. | 6 |
| Answer» B. 2 | |
| 4485. |
Homogenized milk show sensitivity to which enzyme? |
| A. | Lipases |
| B. | Tryptases |
| C. | Pepsin |
| D. | Oxyin |
| Answer» E. | |
| 4486. |
Which are the several reasons for using generator patterns? |
| A. | Product Creation Control |
| B. | Product Configuration Control |
| C. | Client and Product Decoupling |
| D. | All of the mentioned |
| Answer» E. | |
| 4487. |
Which one of the following is not a basic parameter used to define visibility category? |
| A. | Decision height |
| B. | Minimum vertical visibility |
| C. | Runway length |
| D. | Runway visual range |
| Answer» D. Runway visual range | |
| 4488. |
Assertion A: pH of a buffer solution solution does not change on dilution. |
| A. | remains unchanged. |
| B. | A and R are true, R is the correct explanation of A |
| C. | A and R are true, R is not correct explanation of A |
| D. | A is true but R is false |
| Answer» B. A and R are true, R is the correct explanation of A | |
| 4489. |
The ALL subquery performs which operation? |
| A. | row |
| B. | column |
| C. | table |
| D. | database |
| Answer» C. table | |
| 4490. |
‘:w’ command can be used to write selected lines.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4491. |
Which of the following is the relationship between optical density and cell mass? |
| A. | exponentially proportional |
| B. | linearly proportional |
| C. | inversely proportional |
| D. | not related |
| Answer» C. inversely proportional | |
| 4492. |
Which symbol is used to denote shear stress? |
| A. | σ |
| B. | τ |
| C. | ε |
| D. | e |
| Answer» C. ‚âà√≠¬¨¬µ | |
| 4493. |
A typical heat exchanger removing heat from compressor is called as intercooler. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4494. |
Select the inappropriate statement regarding quantitative analysis |
| A. | It helps in determining the outcome of the product |
| B. | It helps in determining the impurities in the sample |
| C. | It fails to indicate the presence of lead in some compound |
| D. | It could identify the amounts of dosage present in the drug |
| Answer» D. It could identify the amounts of dosage present in the drug | |
| 4495. |
At what temperature does the clay dead burning take place? |
| A. | 400°C – 500°C |
| B. | 500°C – 600°C |
| C. | 600°C – 700°C |
| D. | 700°C – 800°C |
| Answer» C. 600¬¨¬®‚Äö√†√ªC ‚Äö√Ñ√∂‚àö√ë‚àö¬® 700¬¨¬®‚Äö√†√ªC | |
| 4496. |
Pyramids of number in grassland ecosystem are inverted. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4497. |
Which of these sequences will mark a site of polyadenylation? |
| A. | AAUAAA—-GGUUUGU——-CA——- |
| B. | UUUGUGUG—–CA—-AUUAAA |
| C. | AAUAAA—–CA—-UUUUGUGU |
| D. | CA—–AAUAAA——UUUUGUGUGU |
| Answer» D. CA‚Äö√Ñ√∂‚àö√ë‚àö√Ü‚Äö√Ñ√∂‚àö√ë‚àö¬®AAUAAA‚Äö√Ñ√∂‚àö√ë‚àö√Ü‚Äö√Ñ√∂‚àö√ë‚àö√ÜUUUUGUGUGU | |
| 4498. |
Waviness at the edges can be avoided by_____ |
| A. | longitudinal stiffening ribs |
| B. | incorporating a flange |
| C. | using roller support at the edges |
| D. | waviness can never be avoided |
| Answer» C. using roller support at the edges | |
| 4499. |
Which of the following involves vibrations? |
| A. | Ball mill |
| B. | Roll mill |
| C. | Grizzly screen |
| D. | Hammer mill |
| Answer» D. Hammer mill | |
| 4500. |
Long periods of cannulization can lead to ___________ |
| A. | Inflammation in the area |
| B. | Heart Diseases |
| C. | Increase in uric acid |
| D. | Death |
| Answer» B. Heart Diseases | |