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.
| 1201. |
Identify the incorrect statement regarding the reagent 6M NH3. |
| A. | It increases hydroxide and NH3 concentration |
| B. | It decreases H+ concentration |
| C. | It is capable of precipitating insoluble hydroxides |
| D. | It is capable of forming hydro complexes |
| Answer» E. | |
| 1202. |
Select the correct statement about the reagent 6M HNO3. |
| A. | It forms hydroxo complexes |
| B. | It destroys hydroxo and ammonia complexes |
| C. | It forms NH3 complexes |
| D. | It decreases the H+ ion concentration |
| Answer» C. It forms NH3 complexes | |
| 1203. |
Identify the reagent which is not commonly used in qualitative analysis? |
| A. | 6M NaOH |
| B. | 6M HCl |
| C. | 6M HNO3 |
| D. | 6M NH4 |
| Answer» E. | |
| 1204. |
Covalent molecules can be identified using quantitative methods. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 1205. |
Identify the test which is not a part of qualitative analysis? |
| A. | Litmus test |
| B. | Kastle-Meyer test |
| C. | Iodine test |
| D. | Flame test |
| Answer» B. Kastle-Meyer test | |
| 1206. |
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 | |
| 1207. |
Which among the following is not a physical method? |
| A. | X-ray fluorescence spectroscopy |
| B. | Atomic emission spectroscopy |
| C. | Inert gas fusion |
| D. | Trace element analysis |
| Answer» D. Trace element analysis | |
| 1208. |
Select the incorrect statement regarding analytical balance. |
| A. | It is the fundamental kit in quantitative analysis |
| B. | It measures samples very accurately |
| C. | It could measure the difference in mass upto 0.1 mg |
| D. | It is not a sensitive instrument |
| Answer» E. | |
| 1209. |
Quantitative analysis is one which is used for separating out the specific constituents from a mixture. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1210. |
Identify the one which does not come under the chemical methods of quantitative analysis? |
| A. | Gravimetric |
| B. | Titrimetric |
| C. | Volumetric |
| D. | Magnetic suceptibility |
| Answer» E. | |
| 1211. |
An energy meter produces a flux of ∅ when connected to a supply V. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1212. |
Induction type instruments are used for ____________ |
| A. | A.C. measurements |
| B. | D.C. measurements |
| C. | Resistance measurements |
| D. | Voltage measurements |
| Answer» B. D.C. measurements | |
| 1213. |
What is the solution of D.E (D2 – 2D)y = ex sinx when solved using the method of undetermined coefficients? |
| A. | \( y = c_1 + c_2 \,e^{2x} – \frac{e^x (xsin x + cosx)}{2}\) |
| B. | \(y = c_1 + c_2 \,e^{2x} – \frac{e^x sin x}{2}\) |
| C. | \(y = c_1 + c_2 \,e^{2x} – \frac{e^x cos x}{2}\) |
| D. | \(y = c_1 + c_2 \,e^{2x} – \frac{e^x (sin x + x cosx)}{4}\) |
| Answer» C. \(y = c_1 + c_2 \,e^{2x} – \frac{e^x cos x}{2}\) | |
| 1214. |
Using the method of undetermined coefficients find the P.I for the D.E x’’’(t) – x’’(t) = 3et + sint. |
| A. | xp = 3et + \(\frac{t}{2}\) (cost – 2 sint ) |
| B. | xp = 3tet + \(\frac{1}{2}\) (cost + sint ) |
| C. | xp = 3tet + \(\frac{t}{3}\) (4cost + 2sint ) |
| D. | xp = 3et + \(\frac{1}{2}\) (cost – sint ) |
| Answer» C. xp = 3tet + \(\frac{t}{3}\) (4cost + 2sint ) | |
| 1215. |
Find the Particular integral solution of the D.E (D2 – 4D + 3)y = 20 cos x by the method of undetermined coefficients. |
| A. | yp = 4 cosx – 3 sinx |
| B. | yp = 2 sinx – 4 cosx |
| C. | yp = – 3 cosx + 4 sinx |
| D. | yp = 2 cosx – 4 sinx |
| Answer» E. | |
| 1216. |
Solution of the D.E y’’ + 3y’ + 2y = 12x2 when solved using the method of undetermined coefficients is ________ |
| A. | y = c1 ex + c2 e2x + 2 – 11x + x2 |
| B. | y = c1 e – x + c2 e – 2x + 18 + 21x + 3x2 |
| C. | y = c1 ex + c2 e – 2x + 11 + 18x + 2x2 |
| D. | y = c1 e – x + c2 e – 2x + 21 – 18x + 6x2 |
| Answer» E. | |
| 1217. |
Solution of the D.E y’’ – 4y’ + 4y = ex when solved using method of undetermined coefficients is _____ |
| A. | y = (c1 + c2)e2x + 2ex – 1 |
| B. | y = (c1 + c2 x)e2x + 4ex – 4 |
| C. | y = (c1 + c2 x)e2x + ex |
| D. | y = (c1 + c2 x)ex + 4ex |
| Answer» D. y = (c1 + c2 x)ex + 4ex | |
| 1218. |
Which feature of OOP is exhibited by the function overriding? |
| A. | Inheritance |
| B. | Abstraction |
| C. | Polymorphism |
| D. | Encapsulation |
| Answer» D. Encapsulation | |
| 1219. |
If virtual functions are defined in the base class then _______________ |
| A. | It is not necessary for derived classes to override those functions |
| B. | It is necessary for derived classes to override those functions |
| C. | Those functions can never be derived |
| D. | Those functions must be overridden by all the derived classes |
| Answer» B. It is necessary for derived classes to override those functions | |
| 1220. |
Abstract functions of a base class _________________ |
| A. | Are overridden by the definition in same class |
| B. | Are overridden by the definition in parent class |
| C. | Are not overridden generally |
| D. | Are overridden by the definition in derived class |
| Answer» E. | |
| 1221. |
In Kotlin, the function to be overridden must be ______________ |
| A. | Private |
| B. | Open |
| C. | Closed |
| D. | Abstract |
| Answer» C. Closed | |
| 1222. |
What should be used to call the base class method from the derived class if function overriding is used in Java? |
| A. | Keyword super |
| B. | Scope resolution |
| C. | Dot operator |
| D. | Function name in parenthesis |
| Answer» B. Scope resolution | |
| 1223. |
In Delphi ______________ |
| A. | Method overriding is done implicitly |
| B. | Method overriding is not supported |
| C. | Method overriding is done with directive override |
| D. | Method overriding is done with the directive virtually |
| Answer» D. Method overriding is done with the directive virtually | |
| 1224. |
In C# ____________________ |
| A. | Non – virtual or static methods can’t be overridden |
| B. | Non – virtual and static methods only can be overridden |
| C. | Overriding is not allowed |
| D. | Overriding must be implemented using C++ code only |
| Answer» B. Non – virtual and static methods only can be overridden | |
| 1225. |
Which language doesn’t support the method overriding implicitly? |
| A. | C++ |
| B. | C# |
| C. | Java |
| D. | SmallTalk |
| Answer» C. Java | |
| 1226. |
The functions to be overridden _____________ |
| A. | Must be private in base class |
| B. | Must not be private base class |
| C. | Must be private in both derived and base class |
| D. | Must not be private in both derived and base class |
| Answer» C. Must be private in both derived and base class | |
| 1227. |
How to access the overridden method of base class from the derived class? |
| A. | Using arrow operator |
| B. | Using dot operator |
| C. | Using scope resolution operator |
| D. | Can’t be accessed once overridden |
| Answer» D. Can’t be accessed once overridden | |
| 1228. |
Which among function will be overridden from the function defined in derived class below: |
| A. | show() |
| B. | print() |
| C. | show() and print() |
| D. | Compile time errorView Answer |
| Answer» B. print() | |
| 1229. |
Exactly same declaration in base and derived class includes______________ |
| A. | Only same name |
| B. | Only same return type and name |
| C. | Only same return type and argument list |
| D. | All the same return type, name and parameter list |
| Answer» E. | |
| 1230. |
Which among the following best describes member function overriding? |
| A. | Member functions having same name in base and derived classes |
| B. | Member functions having same name in base class only |
| C. | Member functions having same name in derived class only |
| D. | Member functions having same name and different signature inside main function |
| Answer» B. Member functions having same name in base class only | |
| 1231. |
The data is stored on the disk in the form of blocks called _____ |
| A. | Pages |
| B. | Frames |
| C. | Sectors |
| D. | Tables |
| Answer» D. Tables | |
| 1232. |
The mode of data transfer used by the controller is _____ |
| A. | Interrupt |
| B. | DMA |
| C. | Asynchronous |
| D. | Synchronous |
| Answer» C. Asynchronous | |
| 1233. |
The SCSI BUS is connected to the processor through _____ |
| A. | SCSI Controller |
| B. | Bridge |
| C. | Switch |
| D. | None of the mentioned |
| Answer» B. Bridge | |
| 1234. |
HVD stands for _________ |
| A. | High Voltage Differential |
| B. | High Voltage Density |
| C. | High Video Definition |
| D. | None of the mentioned |
| Answer» B. High Voltage Density | |
| 1235. |
SCSI stands for ________ |
| A. | Small Computer System Interface |
| B. | Switch Computer system Interface |
| C. | Small Component System Interface |
| D. | None of the mentioned |
| Answer» B. Switch Computer system Interface | |
| 1236. |
Which experimental method can you use to detect 3’ end processing? |
| A. | CHIP |
| B. | Affinity chromatography |
| C. | Northern blot |
| D. | Immunofluorescence |
| Answer» C. Northern blot | |
| 1237. |
PAP has a processivity of ___________ |
| A. | 5-10 bases |
| B. | 10-20 bases |
| C. | 50-100 bases |
| D. | 100-250 bases |
| Answer» C. 50-100 bases | |
| 1238. |
The poly a tail protects the 3’ end from____________ |
| A. | 5’->3’ exonuclease |
| B. | 3’->5’ exonuclease |
| C. | Translation |
| D. | Export |
| Answer» C. Translation | |
| 1239. |
In an experiment, you are trying to pull down the site where guanyl transferase binds by co-immunoprecipitation. You run a gel and autoradiograph to see a band denoting GSK-RNA pol II (phosphorylated). What will you see when you perform the same experiment with overexpression of GSK in one setup and overexpression of unlabelled GSK-RNA pol II in the other setup? |
| A. | Band is observed in both cases |
| B. | Band in 1st case no band in 2nd |
| C. | No band in 1st case and band in 2nd |
| D. | . What will you see when you perform the same experiment with overexpression of GSK in one setup and overexpression of unlabelled GSK-RNA pol II in the other setup?a) Band is observed in both casesb) Band in 1st case no band in 2ndc) No band in 1st case and band in 2ndd) No band in both cases |
| Answer» B. Band in 1st case no band in 2nd | |
| 1240. |
What is the output for the following system? |
| A. | Aircraft position |
| B. | All the fight data |
| C. | Gyro and accelerometer values |
| D. | Warning signals for wrong navigation |
| Answer» B. All the fight data | |
| 1241. |
Both FMS 1 & 2 get information from only one FMC in the case of ______ |
| A. | Independent mode |
| B. | Loss of one FMC |
| C. | Single mode |
| D. | Double mode |
| Answer» D. Double mode | |
| 1242. |
There is sufficient plastic deformation prior to fatigue failure, which gives a warning well in advance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1243. |
The stress represented by cos (t) belongs to which category? |
| A. | Fluctuating Stresses |
| B. | Alternating Stresses |
| C. | Repeated Stresses |
| D. | Reversed Stresses |
| Answer» E. | |
| 1244. |
The stress represented by sin (t) + 4 belongs to which category? |
| A. | Alternating Stresses |
| B. | None of the mentioned |
| C. | Repeated Stresses |
| D. | Reversed Stresses |
| Answer» B. None of the mentioned | |
| 1245. |
The stress represented by sin (t) + 1 belongs to which category? |
| A. | Fluctuating Stresses |
| B. | Alternating stresses |
| C. | Repeated Stresses |
| D. | Reversed Stresses |
| Answer» D. Reversed Stresses | |
| 1246. |
What is the K-value if the partial vapor pressure of the component is 360Pa in gaseous mixture and the vapor pressure of pure component is 500Pa. |
| A. | 0.43 |
| B. | 0.55 |
| C. | 0.72 |
| D. | 0.88 |
| Answer» D. 0.88 | |
| 1247. |
If the partial vapor pressure of the component is 1000pa in the gaseous mixture and the vapor pressure of pure component is 2000pa what is the mole fraction of the solute? |
| A. | 2 |
| B. | 1 |
| C. | 1.5 |
| D. | 0.5 |
| Answer» E. | |
| 1248. |
What is a nomograph? |
| A. | A graph containing relationship between two quantities |
| B. | A graph containing relationship between three quantities |
| C. | A graph containing relationship between three or more quantities |
| D. | A graph containing diagrams |
| Answer» D. A graph containing diagrams | |
| 1249. |
Reflective region in LPDA offers the inductive impedance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1250. |
Which of the following region is also known as reflective region in LPDA? |
| A. | Inactive transmission line region |
| B. | Active region |
| C. | Inactive stop region |
| D. | Log periodic array |
| Answer» D. Log periodic array | |