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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.
| 4751. |
The cut off wavenumber for the region of dielectric in a grounded dielectric sheet is: |
| A. | kC<sup>2</sup>= ∈<sub>r</sub>k<sub>0</sub><sup>2</sup>-β<sup>2</sup> |
| B. | kC<sup>2</sup>= ∈<sub>r</sub>k<sub>0</sub><sup>2</sup>+β<sup>2</sup> |
| C. | h<sup>2</sup>= -k<sub>0</sub><sup>2</sup>+β<sup>2</sup> |
| D. | kC<sup>2</sup>= k<sup>2</sup> + β<sup>2</sup> |
| Answer» B. kC<sup>2</sup>= ‚Äö√Ñ√∂‚àö‚Ć‚àö‚Ć<sub>r</sub>k<sub>0</sub><sup>2</sup>+‚âà√≠‚Äö√¢¬ß<sup>2</sup> | |
| 4752. |
Heat treatment involves heating of the sludge. The supernatant from the heat treatment system is rich in ___________ |
| A. | TDS |
| B. | TSS |
| C. | BOD |
| D. | Heavy metals |
| Answer» D. Heavy metals | |
| 4753. |
A single effect evaporator is fed with 10000 kg / h of weak liquor containing 15 % caustic by weight and is concentrated to get thick liquor containing 40 % by weight caustic. Calculate: |
| A. | kg / h of water evaporated and |
| B. | kg / h of thick liquor |
| C. | 4560 kg/h, 3720 kg/h |
| D. | 3460 kg/h, 7680 kg/h |
| Answer» E. | |
| 4754. |
Unit of measurement of supply of bare electric wire in FPS is_________ |
| A. | per quintal |
| B. | per cu cm |
| C. | per cwt |
| D. | per m |
| Answer» D. per m | |
| 4755. |
Which of the following is an illegal unquoted identifier name? |
| A. | 123_id |
| B. | 123id |
| C. | id1 |
| D. | 123 |
| Answer» E. | |
| 4756. |
Thymine residues in the DNA and positively charged amino groups on the surface of nylon membranes ___________ |
| A. | Are of same size |
| B. | Are of same charge |
| C. | Interact |
| D. | Cross-link |
| Answer» E. | |
| 4757. |
Which of the following compounds is used to control the polymer chain length in emulsion polymerization? |
| A. | cetyl alcohol |
| B. | buffer solutions |
| C. | dodecyl mercaptan |
| D. | gelatin |
| Answer» E. | |
| 4758. |
In which areas does compass surveying is not recommended? |
| A. | Local attraction suspected areas |
| B. | Large areas |
| C. | Undulating areas |
| D. | Crowded with many details |
| Answer» B. Large areas | |
| 4759. |
Most of the power in an optical fiber is transmitted in fiber cladding. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4760. |
What is the characteristics of inorganic aqueous waste? |
| A. | Contains acid or alkaline |
| B. | Contains solids |
| C. | Sludge |
| D. | Admixture |
| Answer» B. Contains solids | |
| 4761. |
What should we add to a template in Dreamweaver in order to control where page content goes? |
| A. | Editable Regions |
| B. | HTML controllers |
| C. | Frames |
| D. | Content Controllers |
| Answer» B. HTML controllers | |
| 4762. |
The shape of Rankine oval of equal axes can be found out by substituting ______________ |
| A. | Ψ=0 |
| B. | Ψ=1 |
| C. | U=0 |
| D. | U=1 |
| Answer» B. ‚âà√≠¬¨√Ü=1 | |
| 4763. |
The flywheel of an engine has a mass of 200 kg and radius of gyration equal to 1 m. The average torque on the flywheel is 1200 Nm. Find the angular acceleration of flywheel and the angular speed after 10 seconds starting from rest. |
| A. | 3 rad/s |
| B. | 4 rad/s |
| C. | 5 rad/s |
| D. | 6 rad/s |
| Answer» E. | |
| 4764. |
What will be the value of response modification factor (R)? |
| A. | 6 |
| B. | 7 |
| C. | 8 |
| D. | 9 |
| Answer» B. 7 | |
| 4765. |
What is the reason for rock bursts? |
| A. | Change in attitude of rocks |
| B. | Shattering of rocks |
| C. | Intense precipitation |
| D. | Strained nature |
| Answer» E. | |
| 4766. |
Coefficient of discharge is the ____________ |
| A. | product of coefficient of velocity and coefficient of contraction |
| B. | arithmetic sum of coefficient of velocity and coefficient of contraction |
| C. | ratio of coefficient of velocity and coefficient of contraction |
| D. | none of the mentioned |
| Answer» B. arithmetic sum of coefficient of velocity and coefficient of contraction | |
| 4767. |
Fill in the blank: He lives ___ Bezonbagh ___ Nagpur. |
| A. | in, at |
| B. | at, in |
| C. | at, on |
| D. | on, at |
| Answer» C. at, on | |
| 4768. |
How can we select the elements which have common Dept_name in both the relation ? |
| A. | Select * from instructor i , course c where i.Dept_name=c.Dept_name; |
| B. | Select Dept name from instructor ,Course ; |
| C. | Select * from instructor i , course c ; |
| D. | Select Dept_name from instructor where Dept_name = NULL; |
| Answer» D. Select Dept_name from instructor where Dept_name = NULL; | |
| 4769. |
If B=6, R=6 and J= 4, then the truss is:- |
| A. | statically determinate |
| B. | statically indeterminate |
| C. | stable |
| D. | unstable |
| Answer» B. statically indeterminate | |
| 4770. |
The toe bones are called as ____________ |
| A. | Phalanges |
| B. | Tarsal |
| C. | Metatarsals |
| D. | Talus |
| Answer» B. Tarsal | |
| 4771. |
With an increase in rake angle of tool, tool life will |
| A. | Increase |
| B. | Decrease |
| C. | Remains constant |
| D. | First increase then decrease |
| Answer» E. | |
| 4772. |
The area of high tensile and un tensioned reinforcement required to mobilize the desired flexural strength is computed using? |
| A. | Tension equilibrium |
| B. | Force equilibrium |
| C. | Transverse equilibrium |
| D. | Rotational equilibrium |
| Answer» C. Transverse equilibrium | |
| 4773. |
Humans breathe by negative pressure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4774. |
Find nth derivative of x2y2 + xy1 + y = 0 |
| A. | x<sup>2</sup>y<sub>n+2</sub> + (2n+1)xy<sub>n+1</sub> + (n<sup>2</sup>+1)y<sub>n</sub> = 0 |
| B. | x<sup>2</sup>y<sub>n+2</sub> + nxy<sub>n+1</sub> + (n<sup>2</sup>+1)y<sub>n</sub> = 0 |
| C. | x<sup>2</sup>y<sub>n+2</sub> + (2n+1)xy<sub>n+1</sub> + n<sup>2</sup>y<sub>n</sub> = 0 |
| D. | x<sup>2</sup>y<sub>n+2</sub> + 2nxy<sub>n+1</sub> + n<sup>2</sup>y<sub>n</sub> = 0 |
| Answer» B. x<sup>2</sup>y<sub>n+2</sub> + nxy<sub>n+1</sub> + (n<sup>2</sup>+1)y<sub>n</sub> = 0 | |
| 4775. |
To describe the message structure, a ________ like struct is used. |
| A. | Pascal |
| B. | C++ |
| C. | C |
| D. | Java |
| Answer» D. Java | |
| 4776. |
Which type of reaction is hydrogenation of gas oils? |
| A. | Endothermic |
| B. | Exothermic |
| C. | Neutral |
| D. | None of the mentioned |
| Answer» C. Neutral | |
| 4777. |
Isolation layer between two metal layers must be thinner. |
| A. | true |
| B. | false |
| Answer» C. | |
| 4778. |
What is the purposes of hydrogenating hydrocarbons? |
| A. | Improving petroleum products |
| B. | Convert low to heavy oils |
| C. | Transform solid fuels |
| D. | All of the mentioned |
| Answer» E. | |
| 4779. |
Which of the following has high storage density ? |
| A. | ROM_DISK |
| B. | ARCHIVE |
| C. | RAM_DISK |
| D. | All of the mentioned |
| Answer» C. RAM_DISK | |
| 4780. |
Which of the following device is used to measure the velocity of flow? |
| A. | Manometer |
| B. | Venturi meter |
| C. | Pitot tube |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4781. |
What is the mole fraction of He? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» C. 0.6 | |
| 4782. |
What are the number moles of Oxgen present there in the bucket? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| Answer» B. 2 | |
| 4783. |
Maximum operating frequency is scaled by |
| A. | α/β |
| B. | β/α |
| C. | α<sup>2</sup> /β |
| D. | β<sup>2</sup> /α |
| Answer» D. ‚âà√≠‚Äö√¢¬ß<sup>2</sup> /‚âà√≠¬¨¬± | |
| 4784. |
There are two hard links to the “file1” say hl and h2 and a softlink sl. What happens if we deleted the “file1”?$ |
| A. | We will still be able to access the file with hl and h2 but not with sl |
| B. | We will not be able to access the file with hl and h2 but with sl |
| C. | We will be able to access the file with any of hl, h2 and sl |
| D. | We will not be able to access the file with any of hl, h2 and sl |
| Answer» B. We will not be able to access the file with hl and h2 but with sl | |
| 4785. |
Which is the term that is used to refer the order of bytes? |
| A. | endianness |
| B. | memory organisation |
| C. | bit |
| D. | register |
| Answer» B. memory organisation | |
| 4786. |
In which writing scheme does the cache is updated but the main memory is not updated? |
| A. | write-through |
| B. | write-back |
| C. | no caching of writing cycle |
| D. | write buffering |
| Answer» C. no caching of writing cycle | |
| 4787. |
What is the value of frequency used in Magnetic abrasive finishing process? |
| A. | 1 – 10 Hz |
| B. | 12 – 25 Hz |
| C. | 30 – 50 Hz |
| D. | 60 – 100 Hz |
| Answer» C. 30 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 50 Hz | |
| 4788. |
0 1 2 |
| A. | a b c |
| B. | 0 a 1 b 2 c |
| C. | none of the mentioned |
| Answer» D. | |
| 4789. |
Of the following values, between which of them pressure value will range? |
| A. | 1000 – 1500 bar |
| B. | 1500 – 2500 bar |
| C. | 2500 – 4000 bar |
| D. | 4000 – 10000 bar |
| Answer» D. 4000 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10000 bar | |
| 4790. |
____________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer |
| A. | OutputCompactor |
| B. | OutputCollector |
| C. | InputCollector |
| D. | All of the mentioned |
| Answer» C. InputCollector | |
| 4791. |
In a system if, Accumulation = Input – Output, where both the terms are distinct and non-zero, then the system is which of the following?$ |
| A. | Steady-state |
| B. | Closed |
| C. | Non-reactive |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4792. |
Coil torque for 20 kA armature current (T1) and 40 mA armature current (T2), will have ratio T1/T2=____ (assuming all other parameters same for both machines). |
| A. | 1/2 |
| B. | 2/1 |
| C. | 1/4 |
| D. | 4/1 |
| Answer» B. 2/1 | |
| 4793. |
Which of the following material is used for heat transfer in dairy industry? |
| A. | Iron |
| B. | Platinum |
| C. | Copper |
| D. | Stainless steel |
| Answer» E. | |
| 4794. |
The etching rate and time are crucial to prevent over etching. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4795. |
SQL query to find all the cities whose humidity is 95 . |
| A. | SELECT city WHERE humidity = 95 |
| B. | SELECT city FROM weather WHERE humidity = 95 |
| C. | SELECT humidity = 89 FROM weather |
| D. | SELECT city FROM weather |
| Answer» C. SELECT humidity = 89 FROM weather | |
| 4796. |
Which of the following is not an advantageous feature or algorithm of the database PRINTS? |
| A. | This program breaks down a motif into even smaller non-overlapping units called ‘fingerprints’, which are represented by unweighted PSSMs |
| B. | To define a motif, at least a majority of fingerprints are required to match with a query sequence |
| C. | A query that has simultaneous high-scoring matches to a majority of fingerprints belonging to a motif is a good indication of containing the functional motif |
| D. | The difficulty to recognize short motifs when they reach the size of single fingerprints |
| Answer» E. | |
| 4797. |
Multiplying factor for prefix “atto” is _______$ |
| A. | 10-8 |
| B. | 1018 |
| C. | 10-18 |
| D. | 108 |
| Answer» D. 108 | |
| 4798. |
The Smith-Brinkley (SB) method, is based on an analytical solution of the |
| A. | Infinite-difference equations |
| B. | Differential Equations |
| C. | Integration |
| D. | Finite-difference equations |
| Answer» E. | |
| 4799. |
In the case of graphite and TiS2 intercalation compounds, what is the structure possessed by the host crystals? |
| A. | Spherical structure |
| B. | Cubical structure |
| C. | Lamellar structure |
| D. | Cylindrical structure |
| Answer» D. Cylindrical structure | |
| 4800. |
Fats are absorbed by ________ in the form of a ________ |
| A. | micelles, lacteal |
| B. | lacteal, enterocytes |
| C. | enterocytes, micelles |
| D. | micelles, enterocytes |
| Answer» D. micelles, enterocytes | |