MCQOPTIONS
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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.
| 501. |
Which of the following analysis helps out to find the effect of variable change? |
| A. | Inferential |
| B. | Exploratory |
| C. | Causal |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 502. |
Which of the following uses relatively small amount of data to estimate about bigger population? |
| A. | Inferential |
| B. | Exploratory |
| C. | Causal |
| D. | None of the mentioned |
| Answer» B. Exploratory | |
| 503. |
Which of the following type of data science question is missing in the figure? |
| A. | Correlative |
| B. | Exploratory |
| C. | Relative |
| D. | None of the mentioned |
| Answer» C. Relative | |
| 504. |
Which of the following PCR is used for the conversion of RNA to DNA? |
| A. | Q-PCR |
| B. | RT-PCR |
| C. | Nested PCR |
| D. | Multiplex PCR |
| Answer» C. Nested PCR | |
| 505. |
Cell lines are the type of cell culture. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 506. |
ELISA is used for the detection of viral diseases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 507. |
Taq polymerase is isolated from ____________ |
| A. | Escherichia coli |
| B. | Thermus aquaticus |
| C. | Pyrococcus furiosus |
| D. | Streptococcus pneumoniae |
| Answer» C. Pyrococcus furiosus | |
| 508. |
PCR was devised by ____________ |
| A. | Kary Mullis |
| B. | Fredrick Sanger |
| C. | Paul Berg |
| D. | James Watson |
| Answer» B. Fredrick Sanger | |
| 509. |
Which of the following is not the step of viral genome amplification? |
| A. | Denaturation |
| B. | Annealing |
| C. | Expansion |
| D. | Renaturation |
| Answer» D. Renaturation | |
| 510. |
The hybridoma technology is used for the production of ___________ |
| A. | MAbs |
| B. | Growth medium |
| C. | Antigens |
| D. | Insulin |
| Answer» B. Growth medium | |
| 511. |
Which of the following is important for mitosis to occur? |
| A. | Plasma |
| B. | Alcohol |
| C. | Serum |
| D. | Water |
| Answer» D. Water | |
| 512. |
Which of the following effect causes changes in the host organism? |
| A. | Cytopathic effect |
| B. | Kappa effect |
| C. | Peltzman effect |
| D. | Hypersonic effect |
| Answer» B. Kappa effect | |
| 513. |
Which of the following is the first cell line derived from a human? |
| A. | HEK 293 |
| B. | HeLa |
| C. | Sf9 |
| D. | Chinese hamster ovary cells |
| Answer» C. Sf9 | |
| 514. |
Which of the following is not a category of the method of virus detection? |
| A. | Multiplication |
| B. | Hematology |
| C. | Serology |
| D. | Nucleic acid detection |
| Answer» C. Serology | |
| 515. |
The activation energy of a reaction is 155326 J/ mol. The rate constant of the reaction at and 300K as a function of rate constant at 400K, obtained by the Collision theory is ____ |
| A. | k1 = 1.5 × 10-7k2 |
| B. | k1 = 1.2 × 10-6 k2 |
| C. | k1 = 1.5 × 10-6 k2 |
| D. | k1 = 1.2 × 10-7 k2 |
| Answer» B. k1 = 1.2 × 10-6 k2 | |
| 516. |
If the rate constant of a reaction at 600K is 100 times the rate constant at 500K, then the value of the activation energy obtained by Transition state theory is ____ |
| A. | 120987.12 |
| B. | 167435.15 |
| C. | 110319.28 |
| D. | 156435.54 |
| Answer» D. 156435.54 | |
| 517. |
If the rate constant of a reaction at 275K is 1 min-1 and the rate constant at 300K is 2 min-1, what is the activation energy (in J/ mol) as obtained by Arrhenius law? |
| A. | 24655 |
| B. | 19019.14 |
| C. | 366543.2 |
| D. | 18989.32 |
| Answer» C. 366543.2 | |
| 518. |
The activation energy for a reaction is 122137.5 J/ mol. If the rate constant at 330K is 0.5 min-1, then the value of rate constant (in min-1) at 360K by Arrhenius law is ____ |
| A. | 20.42 |
| B. | 18.65 |
| C. | 30.12 |
| D. | 12.32 |
| Answer» B. 18.65 | |
| 519. |
Which of the following pairing is incorrect? (Where A is the frequency factor) |
| A. | Arrhenius equation; k = A\(e^{\frac{-Ea}{RT}} \) |
| B. | Transition state theory; k = AT\(e^{\frac{-Ea}{RT}} \) |
| C. | Collision theory; k = AT0.5\(e^{\frac{-Ea}{RT}} \) |
| D. | Arrhenius equation; k = AT2\(e^{\frac{-Ea}{RT}} \) |
| Answer» E. | |
| 520. |
The folds caused due to the drag effect are ___________ |
| A. | Monocline |
| B. | Homocline |
| C. | Basins |
| D. | Drag folds |
| Answer» E. | |
| 521. |
The anticlines signifying larger bending are called ___________ |
| A. | Geranticlines |
| B. | Geosynclines |
| C. | Geanticlines |
| D. | Geoantinclines |
| Answer» D. Geoantinclines | |
| 522. |
The fold which is associated with the formation of mountains is ___________ |
| A. | Geanticline |
| B. | Geosyncline |
| C. | Homocline |
| D. | Basin |
| Answer» C. Homocline | |
| 523. |
Which is the class of fold with the degree of curvature greater on the outer arc compared to the inner arc? |
| A. | Class 1 |
| B. | Class 2 |
| C. | Class 3 |
| D. | Class 4 |
| Answer» D. Class 4 | |
| 524. |
Gentle folds have fold angle between ___________ |
| A. | 10° to 90° |
| B. | 90° to 170° |
| C. | 170° to 180° |
| D. | They don’t belong to this type |
| Answer» D. They don’t belong to this type | |
| 525. |
A fold can have differences in thickness due to erosional and depositional processes. |
| A. | False |
| B. | True |
| Answer» C. | |
| 526. |
Which is the type of fold with a similar degree of folding for indefinite depths? |
| A. | Concentric fold |
| B. | Similar fold |
| C. | Conjugate fold |
| D. | Uniform fold |
| Answer» C. Conjugate fold | |
| 527. |
Identify the class to which the fold below belongs to ___________ |
| A. | Class 1 |
| B. | Class 2 |
| C. | Class 3 |
| D. | Class 4 |
| Answer» C. Class 3 | |
| 528. |
There are three types of folds classified on the basis of relative curvature of the outer and the inner arcs of a fold. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 529. |
The type of fold which is actually a group of folds is ____________ |
| A. | Symmetrical folds |
| B. | Asymmetrical folds |
| C. | Isoclinal folds |
| D. | Recumbent folds |
| Answer» D. Recumbent folds | |
| 530. |
Pick the wrong statement about recumbent fold. |
| A. | It has the arch, which is zone of curvature |
| B. | It has the shell, which is the inner zone, made up of mostly igneous rocks |
| C. | It has the shell, which is the outer zone, made up of mostly sedimentary rocks |
| D. | It has the core, which is the innermost zone, maybe made up of igneous rocks and metamorphic rocks |
| Answer» C. It has the shell, which is the outer zone, made up of mostly sedimentary rocks | |
| 531. |
Brinell hardness numbers of materials are identical to ________ hardness numbers. |
| A. | Set method |
| B. | Extension under load |
| C. | Shore scleroscope |
| D. | Vickers |
| Answer» E. | |
| 532. |
In case of shore scleroscope hardness, the number considered is the average of __________ determinations. |
| A. | 5 |
| B. | 26 |
| C. | 1 |
| D. | 333 |
| Answer» B. 26 | |
| 533. |
Which if the following is suggested in the shore scleroscope test to obtain the exact value? |
| A. | Instrument should be in sunlight |
| B. | Instrument should be spray painted |
| C. | Instrument should be fixed rigidly |
| D. | Instrument should be in sleeping position |
| Answer» D. Instrument should be in sleeping position | |
| 534. |
The shore scleroscope hardness test is carried out by ________ a tiny diamond-pointed hammer from a particular altitude and comparing the altitude of rebound to a standard test material. |
| A. | inserting |
| B. | cutting |
| C. | smoothly pressing |
| D. | dropping |
| Answer» E. | |
| 535. |
The loading used for a homogenous specimen in the bucket’s hardness test is _______ |
| A. | 30kg |
| B. | 500kg |
| C. | 5kg |
| D. | 13kg |
| Answer» B. 500kg | |
| 536. |
The penetrator in the Vickers hardness test is a pyramid that is squarely based and has an included angle of _______ |
| A. | 206° |
| B. | 15° |
| C. | 136° |
| D. | 23° |
| Answer» D. 23° | |
| 537. |
The Vickers hardness test consists of a _________ penetrator. |
| A. | diamond |
| B. | steel ball |
| C. | carbon |
| D. | iron |
| Answer» B. steel ball | |
| 538. |
Similar hardness testing machines give the exact same results. |
| A. | True |
| B. | False |
| Answer» C. | |
| 539. |
What should be done to avoid deflection caused by depression? |
| A. | Plating |
| B. | Unique direction |
| C. | Smooth surface |
| D. | Required edge distance |
| Answer» E. | |
| 540. |
Which of the following is not a process or property that influences the hardness of a material? |
| A. | Buffing |
| B. | Storing |
| C. | Porous areas |
| D. | Decarburizing |
| Answer» C. Porous areas | |
| 541. |
Design a suitable section for the tie member of a truss to support a maximum design tensile force of 500kn. The permissible compressive stress in concrete at transfer is 15n/mm2. |
| A. | 41500 |
| B. | 4000 |
| C. | 22000 |
| D. | 1500 |
| Answer» B. 4000 | |
| 542. |
The design essentially considered for axial tension is to determine the ____________ |
| A. | Deflection |
| B. | Eccentricity |
| C. | Cross section |
| D. | Loads |
| Answer» D. Loads | |
| 543. |
Due to presence of precompression, prestressed concrete is ideally suited for the design of members subjected to ____________ |
| A. | Axial tension |
| B. | Prestressed tension |
| C. | Principle stress |
| D. | Bonded stress |
| Answer» B. Prestressed tension | |
| 544. |
A post tensioned beam of unsymmetrical I section is required to support a design ultimate moment of 1200 knm and determine the overall depth and thickness of the compression flange required if fck is 35n/mm2 and fp is 1500n/mm2? |
| A. | 1000mm2 |
| B. | 1015mm2 |
| C. | 1030mm2 |
| D. | 1003mm2 |
| Answer» E. | |
| 545. |
A pretensioned prestressed concrete beam of rectangular section is required to support a design ultimate moment of 100knm. Design the section if fck is 50n/mm2 and fp 1600n/mm2, xu/d is 0.5? |
| A. | 300 |
| B. | 500 |
| C. | 600 |
| D. | 200 |
| Answer» B. 500 | |
| 546. |
It is often preferable to use a larger section, because it means a saving on ____________ |
| A. | Deflection |
| B. | Cost |
| C. | Stress |
| D. | Strain |
| Answer» B. Cost | |
| 547. |
The maximum design value of the moment of resistance of rectangular flanged section varies from ____________ |
| A. | 0.08fckbd2 to 0.2fckbd2 |
| B. | 0.11fcckd2 to 0.5fckbd2 |
| C. | 0.15fcckd2 to 0.8fckbd2 |
| D. | 0.21fcckd2 to 0.9fckbd2 |
| Answer» B. 0.11fcckd2 to 0.5fckbd2 | |
| 548. |
Which of failure is considered in the design of prestressed concrete members for the limit states of collapse? |
| A. | Total failure |
| B. | Shear failure |
| C. | Ultimate failure |
| D. | Collapse failure |
| Answer» D. Collapse failure | |
| 549. |
The permanent hardness is also known as __________ |
| A. | Pseudo hardness |
| B. | Non carbonate hardness |
| C. | Carbonate hardness |
| D. | Brinell hardness |
| Answer» C. Carbonate hardness | |
| 550. |
The temporary hardness in water is due to the presence of __________ |
| A. | Sulfates, Chlorides |
| B. | Sulfates, Chlorides, nitrates |
| C. | Carbonates and bicarbonates |
| D. | Sulfates and carbonates |
| Answer» D. Sulfates and carbonates | |