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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.
| 3651. |
If a certain mass of steam is considered as the thermodynamic system, then the energy equation become? |
| A. | Q=ΔKE + ΔPE – ΔU + W |
| B. | Q=ΔKE + ΔPE – ΔU – W |
| C. | Q=-ΔKE – ΔPE + ΔU + W |
| D. | Q=ΔKE + ΔPE + ΔU + W |
| Answer» E. | |
| 3652. |
What is the range of current density for large power transformer with self oil cooled type? |
| A. | 1-2 A per mm<sup>2</sup> |
| B. | 1.5-2.5 A per mm<sup>2</sup> |
| C. | 2.2-3.2 A per mm<sup>2</sup> |
| D. | 2-3 A per mm<sup>2</sup> |
| Answer» D. 2-3 A per mm<sup>2</sup> | |
| 3653. |
What is the internal Vref of an Atmega32 series? |
| A. | 5V |
| B. | 3.3V |
| C. | 2.56V |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 3654. |
Which of the following detector uses ultraviolet radiation from lamps to produce ionisation of solute molecules? |
| A. | Sulphur chemiluminescense detector |
| B. | Thermal conductivity detector |
| C. | Photo ionization detector |
| D. | Electron capture detector |
| Answer» D. Electron capture detector | |
| 3655. |
______________ requires that data should be made available to only authorized users? |
| A. | Data integrity |
| B. | Privacy |
| C. | Security |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 3656. |
Reduction in the volume due to shrinkage causes _________? |
| A. | Low volume |
| B. | Volumetric strain |
| C. | Volumetric stress |
| D. | W/c ratio |
| Answer» C. Volumetric stress | |
| 3657. |
If A, B and C are any three sets, then A √ó (B ‚à™ C) is equal to?# |
| A. | (A √ó B) ‚à™ (A √ó C) |
| B. | (A √ó B) ‚à© (A √ó C) |
| C. | (A ‚à™ B) √ó (A ‚à™ C) |
| D. | None of the mentioned |
| Answer» B. (A ‚Äö√†√∂‚àö‚â• B) ‚Äö√Ñ√∂‚àö‚Ƭ¨¬© (A ‚Äö√†√∂‚àö‚â• C) | |
| 3658. |
To access the binding and validation result for the command object? |
| A. | Errors |
| B. | BindingResult |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3659. |
The rectangular type of C.T. is built of ________? |
| A. | L shaped windings |
| B. | T shaped windings |
| C. | A shaped windings |
| D. | Z shaped windings |
| Answer» B. T shaped windings | |
| 3660. |
What does steam power plant mainly use to generate steam? |
| A. | Boiled water |
| B. | Fresh steam |
| C. | Flue gas |
| D. | Condensed water |
| Answer» D. Condensed water | |
| 3661. |
The __________ is a test method just like that of Roe, except the CIO2 is generated in sit by acidification of sodium hypochlorite? |
| A. | Klason lignin |
| B. | Kappa number |
| C. | Chlorine number |
| D. | Roe number |
| Answer» D. Roe number | |
| 3662. |
The analysis of circular cylindrical shells with prestressed edge beam is more or less similar to? |
| A. | Prestressed concrete beam |
| B. | Reinforced concrete beam |
| C. | Chemically prestressed beam |
| D. | Partially prestressed beam |
| Answer» C. Chemically prestressed beam | |
| 3663. |
Which of the following is true in case of Overlap add method? |
| A. | M zeros are appended at last of each data block |
| B. | M zeros are appended at first of each data block |
| C. | M-1 zeros are appended at last of each data block |
| D. | M-1 zeros are appended at first of each data block |
| Answer» D. M-1 zeros are appended at first of each data block | |
| 3664. |
Which one of the following is not a factor for calculating speed breaches by the FMS? |
| A. | Aircraft weight |
| B. | CG position |
| C. | Wind and temperature models |
| D. | Position of the aircraft |
| Answer» E. | |
| 3665. |
EF = (Ec+ Ev)/2, this represents the Fermi energy level of which of the following? |
| A. | Extrinsic semiconductor |
| B. | N-type semiconductor |
| C. | P-type semiconductor |
| D. | Intrinsic semiconductor |
| Answer» E. | |
| 3666. |
The (1071729)th derivative of f(x) = (x6 + x4 + x2) cosh(x) at x = 0 is given b? |
| A. | 0 |
| B. | 1071 |
| C. | 1729 |
| D. | ‚àû |
| Answer» B. 1071 | |
| 3667. |
A balloon behaves such that pressure inside it is proportional to the diameter squared. It contains 2kg of ammonia at 0°C, 60% quality. They are now heated so that the final pressure is 600 kPa. Find the work done in the process?# |
| A. | 117.5 kJ |
| B. | 127.5 kJ |
| C. | 137.5 kJ |
| D. | 147.5 kJ |
| Answer» B. 127.5 kJ | |
| 3668. |
The ___________ forces do not cause the rotation? |
| A. | Non-concurrent |
| B. | Concurrent |
| C. | Parallel |
| D. | Non-Parallel |
| Answer» C. Parallel | |
| 3669. |
On average, what is the maximum use temperature of engineering ceramics? |
| A. | 260<sup>o</sup>C |
| B. | 815<sup>o</sup>C |
| C. | 1200<sup>o</sup>C |
| D. | 2760<sup>o</sup>C |
| Answer» E. | |
| 3670. |
Which is the property of a Window object that holds the name of the frame? |
| A. | name |
| B. | title |
| C. | description |
| D. | style |
| Answer» B. title | |
| 3671. |
Which of the following cannot be used repeatedly for making moulds? |
| A. | Sillimanite |
| B. | Dolomite |
| C. | Natural Sand |
| D. | Silica Sand |
| Answer» D. Silica Sand | |
| 3672. |
Degree of accuracy for tested chain is ________? |
| A. | 1 in 100 |
| B. | 1 in 1000 |
| C. | 1 in 10,000 |
| D. | 1 in 10 |
| Answer» C. 1 in 10,000 | |
| 3673. |
A multimode fiber has refractive indices n1= 1.15, n2=1.11 and an operating wavelength of 0.7μm. Find the radius of curvature?# |
| A. | 8.60μ<sub>m</sub> |
| B. | 9.30μ<sub>m</sub> |
| C. | 9.1μ<sub>m</sub> |
| D. | 10.2μ<sub>m</sub> |
| Answer» C. 9.1‚âà√≠¬¨‚à´<sub>m</sub> | |
| 3674. |
The method in which the series of dimensions are applied from one point to other is called ________? |
| A. | Parallel dimension |
| B. | Chain dimensioning |
| C. | Combined dimensioning |
| D. | Tabular dimensioning |
| Answer» C. Combined dimensioning | |
| 3675. |
7x = 6 mod 5. Then the value of x i? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 3676. |
If SWR=1.5 with a wavelength of 4 cm and the distance between load and first minima is 1.48cm, then the reflection coefficient is? |
| A. | 0.0126+j0.1996 |
| B. | 0.0128 |
| C. | 0.26+j0.16 |
| D. | none of the mentioned |
| Answer» B. 0.0128 | |
| 3677. |
The _____ signal is used to indicate the beginning of a new frame? |
| A. | Start |
| B. | SOF |
| C. | BEG |
| D. | None of the mentioned |
| Answer» C. BEG | |
| 3678. |
Which of the following dimension needs to be calculated? |
| A. | Length of the rectangle |
| B. | Breadth of the rectangle |
| C. | Diameter of circle |
| D. | Position of circle |
| Answer» D. Position of circle | |
| 3679. |
The sand carrying the compressed air stream in the core blowing machine is responsible for filling the core box and ramming the core? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3680. |
Which of the following is not promoted by histone tail modification? |
| A. | Formation of repressive structures |
| B. | Gene expression |
| C. | Nucleosome remodeling |
| D. | Nucleosome sliding |
| Answer» E. | |
| 3681. |
Core flux in the transformer is ______________? |
| A. | sinusoidal |
| B. | flat-topped |
| C. | square wave |
| D. | triangular |
| Answer» C. square wave | |
| 3682. |
Assume that the operators +,-, X are left associative and ^ is right associative? |
| A. | is ^, X, +, -. The postfix expression for the infix expression a + b X c – d ^ e ^ f is |
| B. | abc X+ def ^^ – |
| C. | abc X+ de^f^ – |
| D. | ab+c Xd – e ^f^ |
| Answer» B. abc X+ def ^^ ‚Äö√Ñ√∂‚àö√ë‚àö¬® | |
| 3683. |
Statement 1: When several factors for food processing and preservation are applied to one food product, it is called Hurdle technology? |
| A. | |
| B. | True, False |
| C. | True, True |
| Answer» C. True, True | |
| 3684. |
Lithium soap greases are______? |
| A. | temperature resistant |
| B. | fire resistant |
| C. | water resistant |
| D. | pressure resistant |
| Answer» D. pressure resistant | |
| 3685. |
What are ‘Wings’ of a vehicl?# |
| A. | Spoilers at the front of a vehicle |
| B. | Spoilers at the rear of a vehicle |
| C. | Spoilers at the sides of a vehicle |
| D. | Spoilers at the top of a vehicle |
| Answer» C. Spoilers at the sides of a vehicle | |
| 3686. |
Which of the following is false for an abstract machine? |
| A. | Turing machine |
| B. | theoretical model of computer |
| C. | assumes a discrete time paradigm |
| D. | all of the mentioned |
| Answer» E. | |
| 3687. |
In the case of microarrays? |
| A. | Often the whole organism is not sequenced |
| B. | Changes in transcript level can be studied in response to environmental changes |
| C. | RNA is synthesized only after the property which is to be studied is inculcated |
| D. | DNA is synthesized for this RNA by transciptase |
| Answer» C. RNA is synthesized only after the property which is to be studied is inculcated | |
| 3688. |
What is the formula for window clearance of the transformer? |
| A. | window clearance = (height of the window + axial depth)/2 |
| B. | window clearance = (height of the window – axial depth) |
| C. | window clearance = (height of the window – axial depth)/2 |
| D. | window clearance = (height of the window + axial depth) |
| Answer» D. window clearance = (height of the window + axial depth) | |
| 3689. |
For which of the following materials CO2 laser is not used? |
| A. | Plastics |
| B. | Metals |
| C. | Organic materials |
| D. | Ceramics |
| Answer» C. Organic materials | |
| 3690. |
Which of the following materials is the better choice for making conductors in cells used to produce pSi by electrochemical etching? |
| A. | Nickel |
| B. | Gold |
| C. | Copper |
| D. | Vanadium |
| Answer» C. Copper | |
| 3691. |
Find the value of corrected length for rectangular fin? |
| A. | |
| B. | L <sub>C </sub>= L + b t/2 (b + t) |
| C. | L <sub>C </sub>= L + b t/ (b + t) |
| Answer» B. L <sub>C </sub>= L + b t/2 (b + t) | |
| 3692. |
Covalent solids have ____ width dislocations? |
| A. | Wide |
| B. | Narrow |
| C. | Moderate |
| D. | Very narrow |
| Answer» E. | |
| 3693. |
Which of the following are tru? |
| A. | In the AES key expansion algorithm, the function g() operates on w i+3 |
| B. | Perform a one-byte right circular rotation on the argument 4-byte word |
| C. | The round constant follows the formula RC[j] = RC[j ‚àí 1] |
| Answer» D. | |
| 3694. |
What is nature of input in activation dynamics? |
| A. | static |
| B. | dynamic |
| C. | both static & dynamic |
| D. | none of the mentioned |
| Answer» B. dynamic | |
| 3695. |
The resistance Rt of a metallic conductor at any temperature t is given by __________? |
| A. | Rt = Ro(1+…ët) |
| B. | Rt = Ro(1-…ët) |
| C. | Rt = Ro(…ët-1) |
| D. | Rt = Ro(10+…ët) |
| Answer» B. Rt = Ro(1-‚Äö√Ѭ∂‚àö¬¥t) | |
| 3696. |
When is the tearDown() method called in JUnit? |
| A. | After all the tests have run |
| B. | At the beginning of every test case |
| C. | After each test case has run |
| D. | At the beginning of the first test case |
| Answer» B. At the beginning of every test case | |
| 3697. |
Pulley in a belt drive acts a? |
| A. | cylindrical pair |
| B. | turning pair |
| C. | rolling pair |
| D. | sliding pair |
| Answer» D. sliding pair | |
| 3698. |
SYNC flooding attack belongs to a type of security attack known as __________? |
| A. | SYNC flooding attack |
| B. | Active attack |
| C. | Passive attack |
| D. | Denial-of-service attack |
| Answer» E. | |
| 3699. |
Which histone molecule produces novel binding sites for protein components of the kinetochore? |
| A. | CENP – A |
| B. | H2A |
| C. | H3 |
| D. | H4 |
| Answer» B. H2A | |
| 3700. |
Which of the following is retained in the C complex of splicosome? |
| A. | U5 |
| B. | U4 |
| C. | U2AF |
| D. | U1 |
| Answer» B. U4 | |