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.
| 351. |
Which of the following axes passes from wingtip to wingtip through an aircraft? |
| A. | Vertical axis |
| B. | Horizontal axis |
| C. | Transverse axis |
| D. | Longitudinal axis |
| Answer» D. Longitudinal axis | |
| 352. |
Why are flaps deflected downwards? |
| A. | To decrease lift |
| B. | To increase lift |
| C. | To decrease the effective curvature of the wing |
| D. | To increase the effective curvature of the wing |
| Answer» E. | |
| 353. |
What is the full form of FBW? |
| A. | Fare-by-wire |
| B. | Fuel-by-wire |
| C. | Force-by-wire |
| D. | Fly-by-wire |
| Answer» E. | |
| 354. |
Which of the following is not a part of flight control systems? |
| A. | Ailerons |
| B. | Elevators |
| C. | Radars |
| D. | Flaps |
| Answer» D. Flaps | |
| 355. |
The rudder is a part of __________ |
| A. | Undercarriage |
| B. | Empennage |
| C. | APU |
| D. | Engine |
| Answer» C. APU | |
| 356. |
What is the rotation about longitudinal axis called? |
| A. | Roll |
| B. | Pitch |
| C. | Yaw |
| D. | Jaw |
| Answer» B. Pitch | |
| 357. |
For an aircraft whose left wing is pointing straight down, its transverse axis is __________ to the ground. |
| A. | Opposite |
| B. | Parallel |
| C. | Perpendicular |
| D. | Adjacent |
| Answer» D. Adjacent | |
| 358. |
Spoilers are also referred to as lift dumpers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 359. |
Which of these is false about a package? |
| A. | A package can have subfolders and modules |
| B. | Each import package need not introduce a namespace |
| C. | import folder.subfolder.mod1 imports packages |
| D. | from folder.subfolder.mod1 import objects imports packages |
| Answer» C. import folder.subfolder.mod1 imports packages | |
| 360. |
Which of these is the definition for packages in Python? |
| A. | A folder of python modules |
| B. | A set of programs making use of Python modules |
| C. | A set of main modules |
| D. | A number of files containing Python definitions and statements |
| Answer» B. A set of programs making use of Python modules | |
| 361. |
Is Python code compiled or interpreted? |
| A. | Python code is only compiled |
| B. | Python code is both compiled and interpreted |
| C. | Python code is only interpreted |
| D. | Python code is neither compiled nor interpreted |
| Answer» C. Python code is only interpreted | |
| 362. |
What would be the result if a class extends two interfaces and both have a method with same name and signature? Lets assume that the class is not implementing that method. |
| A. | Runtime error |
| B. | Compile time error |
| C. | Code runs successfully |
| D. | First called method is executed successfully |
| Answer» C. Code runs successfully | |
| 363. |
Which of the following is used for implementing inheritance through class? |
| A. | inherited |
| B. | using |
| C. | extends |
| D. | implements |
| Answer» D. implements | |
| 364. |
Static members are not inherited to subclass. |
| A. | True |
| B. | False |
| Answer» C. | |
| 365. |
If super class and subclass have same variable name, which keyword should be used to use super class? |
| A. | super |
| B. | this |
| C. | upper |
| D. | classname |
| Answer» B. this | |
| 366. |
In order to restrict a variable of a class from inheriting to subclass, how variable should be declared? |
| A. | Protected |
| B. | Private |
| C. | Public |
| D. | Static |
| Answer» C. Public | |
| 367. |
All classes in Java are inherited from which class? |
| A. | java.lang.class |
| B. | java.class.inherited |
| C. | java.class.object |
| D. | java.lang.Object |
| Answer» E. | |
| 368. |
What is not type of inheritance? |
| A. | Single inheritance |
| B. | Double inheritance |
| C. | Hierarchical inheritance |
| D. | Multiple inheritance |
| Answer» C. Hierarchical inheritance | |
| 369. |
____________ allows individual row operation to be performed on a given result set or on the generated by a selected by a selected statement. |
| A. | Procedure |
| B. | Trigger |
| C. | Curser |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 370. |
Some of the utilities of DBMS are _____________i) Loading ii) Backup iii) File organization iv) Process Organization |
| A. | i, ii, and iv only |
| B. | i, ii and iii only |
| C. | ii, iii and iv only |
| D. | All i, ii, iii, and iv |
| Answer» C. ii, iii and iv only | |
| 371. |
______________ 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 | |
| 372. |
Which of the following is/are the Database server functions?i) Data managementii) Transaction managementiii) Compile queriesiv) Query optimization |
| A. | i, ii, and iv only |
| B. | i, ii and iii only |
| C. | ii, iii and iv only |
| D. | All i, ii, iii, and iv |
| Answer» B. i, ii and iii only | |
| 373. |
_______________ joins are SQL server default |
| A. | Outer |
| B. | Inner |
| C. | Equi |
| D. | None of the Mentioned |
| Answer» C. Equi | |
| 374. |
What is the optimum value of side cutting edge in degrees for maximum tool life? |
| A. | 20 |
| B. | 22 |
| C. | 25 |
| D. | 30 |
| Answer» E. | |
| 375. |
Positive rake angle is given for machining of: |
| A. | Brittle material |
| B. | Ductile material |
| C. | Both hard and soft material |
| D. | None of the mentioned |
| Answer» C. Both hard and soft material | |
| 376. |
Calculate the critical current for a wire of lead having a diameter of 1mm at 4.2 K. Calculate temperature for lead is 7.18 K and Hc = 6.5×104 A/m. Critical field is 42.758×103 A/m. |
| A. | 3.5593 A |
| B. | 27.3 A |
| C. | 46.67 A |
| D. | 134.26 A |
| Answer» E. | |
| 377. |
When does a normal conductor become a superconductor? |
| A. | At normal temperature |
| B. | At Curie temperature |
| C. | At critical temperature |
| D. | Never |
| Answer» D. Never | |
| 378. |
Zn/Zn+2(0.1M)//Ag+1(1M)/Ag is the cell notation of zinc dissolution in silver. Then what is the Electrode potential of the cell formed? (T=298K, F=96500, R=8.314 J/Kg*K) |
| A. | 1.57 |
| B. | 2.57 |
| C. | 1.25 |
| D. | 2.75 |
| Answer» B. 2.57 | |
| 379. |
Which of the following is a Nernst equation? |
| A. | Ecell=Eocell–RT/nF ln(K) |
| B. | Ecell=Eocell–nF/RT ln(K) |
| C. | E0cell=Ecell–RT/nF ln(K) |
| D. | E0cell=Ecell–nF/RT ln(K) |
| Answer» B. Ecell=Eocell–nF/RT ln(K) | |
| 380. |
Which of the following gives Standard cell potential of a cell (Eo)? |
| A. | Eocathode-Eoanode |
| B. | Eoanode-Eocathode |
| C. | Eocathode*Eoanode |
| D. | Eoanode/Eocathode |
| Answer» B. Eoanode-Eocathode | |
| 381. |
Which of the following is denoted as // in an electrochemical cell notation? |
| A. | Anode |
| B. | Cathode |
| C. | Electrolyte |
| D. | Salt bridge |
| Answer» E. | |
| 382. |
What is the trans passive region? |
| A. | Region after passive state |
| B. | Formed by breakage of the protective film in the passive region |
| C. | Constant corrosion rate |
| D. | Region formed after passive state by breakage of the passive oxide layer |
| Answer» E. | |
| 383. |
Which of the following metal is depicted is in the given figure? |
| A. | Active metal |
| B. | Passive metal |
| C. | Active-Passive transition metal |
| D. | Trans passive state of metal |
| Answer» D. Trans passive state of metal | |
| 384. |
Which of the following metal is depicted in the given graph? |
| A. | Active metal |
| B. | Passive metal |
| C. | Active-Passive metal |
| D. | Trans passive state of metal |
| Answer» B. Passive metal | |
| 385. |
What is meant by passivation? |
| A. | Loss of reactivity |
| B. | Increase in reactivity |
| C. | Increase in corrosion rate |
| D. | Deterioration of metal |
| Answer» B. Increase in reactivity | |
| 386. |
Which of the following polarization will be influenced by electrolytic agitation? |
| A. | Activation polarization |
| B. | Resistance polarization |
| C. | Concentration polarization |
| D. | Both Activation and Resistance polarization |
| Answer» D. Both Activation and Resistance polarization | |
| 387. |
Concentration polarization is considered in both anodic and cathodic reactions. |
| A. | True |
| B. | False |
| Answer» C. | |
| 388. |
Which function is used to find the count of distinct departments? |
| A. | Dist |
| B. | Distinct |
| C. | Count |
| D. | Count,Dist |
| Answer» B. Distinct | |
| 389. |
If a person all the people in Music department gets fired which of the following has to be performed on the instructor relation ?a) Delete Dept_name=Music in instructor;b) Delete from instructor where Dept_name=Music;c) Remove Dept_name= Musicd) All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ? |
| A. | Delete Dept_name=Music in instructor;b) Delete from instructor where Dept_name=Music;c) Remove Dept_name= Musicd) All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ?a) 3 |
| B. | Delete from instructor where Dept_name=Music;c) Remove Dept_name= Musicd) All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ?a) 3b) 4 |
| C. | Remove Dept_name= Musicd) All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ?a) 3b) 4c) 2 |
| D. | All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ?a) 3b) 4c) 2d) 1View Answer |
| Answer» C. Remove Dept_name= Musicd) All of the mentioned What will be displayed as the value of name for the above query?a) Hayleyb) Jacksonc) Hayley and Crickd) CrickView Answer How many rows are selected ?a) 3b) 4c) 2 | |
| 390. |
Suppose the Authority want to include a new instructor for the title Neuroscience what command should be inserted ? |
| A. | Insert into instructor values(12111,Emma,NeuroScience,200000); |
| B. | Insert into course values(12111,Introduction,NeuroScience,2); |
| C. | |
| D. | Insert into course values(12111,Emma,NeuroScience,200000);View Answer |
| Answer» D. Insert into course values(12111,Emma,NeuroScience,200000);View Answer | |
| 391. |
Select distinct Dept_name from instructor ;How many row(s) are displayed ? |
| A. | 4 |
| B. | 3 |
| C. | 5 |
| D. | Error |
| Answer» B. 3 | |
| 392. |
Unit of payment in MKS is of supply of bricks is ______________ |
| A. | %nos |
| B. | %cu ft |
| C. | per % nos |
| D. | % r ft |
| Answer» D. % r ft | |
| 393. |
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 | |
| 394. |
Unit of payment in MKS of supply paint ready mix is _________ |
| A. | per litre |
| B. | per gl |
| C. | per lb |
| D. | per cu m |
| Answer» B. per gl | |
| 395. |
Unit of payment in FPS of Explosive for blasting is __________ |
| A. | kg |
| B. | per lb |
| C. | per gm |
| D. | per cu m |
| Answer» C. per gm | |
| 396. |
Unit of dimensions for ballast is __________ |
| A. | cm |
| B. | micro m |
| C. | mm |
| D. | cu m |
| Answer» D. cu m | |
| 397. |
Which of the following statements is correct according to Chargaff’s rules? |
| A. | All DNA molecules contain the same proportions of A, C, G and T |
| B. | Single-stranded RNA molecules contain the same amount of A and U |
| C. | In double-stranded DNA, the amount of T equals the amount of C |
| D. | In double-stranded DNA, the amount of G equals the amount of C |
| Answer» E. | |
| 398. |
What is the approximate fraction of genetic variation in the nuclear genome that is expected to have a harmful effect on gene function? |
| A. | 50% |
| B. | 25% |
| C. | 10% |
| D. | 1% |
| Answer» E. | |
| 399. |
Which of the following is the start codon in protein translation? |
| A. | AUG |
| B. | UAA |
| C. | UAG |
| D. | UGA |
| Answer» B. UAA | |
| 400. |
Which of the following is a consensus sequence? |
| A. | Promoter sequence |
| B. | Enhancer sequence |
| C. | Terminator sequence |
| D. | All of the mentioned |
| Answer» E. | |