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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.
| 4901. |
Calcium carbide reacts with moisture to give out which gas? |
| A. | Acetylene gas |
| B. | Methane |
| C. | Carbon dioxide |
| D. | Carbon monoxide |
| Answer» B. Methane | |
| 4902. |
Keeping the requirements of QFD in mind which of the following is not an example of an Expected Requirement ? |
| A. | Ease of software installation |
| B. | Overall operational correctness and reliability |
| C. | Specific system functions |
| D. | Quality graphical display |
| Answer» D. Quality graphical display | |
| 4903. |
Tangential flow, axial flow, radial flow turbines are classified based on? |
| A. | Type of energy at inlet |
| B. | Direction of flow through runner |
| C. | Head at inlet of turbine |
| D. | Specific speed of turbine |
| Answer» C. Head at inlet of turbine | |
| 4904. |
Retardation test on DC shunt motor is used for finding _______ |
| A. | stray losses |
| B. | copper losses |
| C. | friction losses |
| D. | iron losses |
| Answer» B. copper losses | |
| 4905. |
The presence of Sulfate iron in the water results in |
| A. | Odorless water |
| B. | Acidity in water |
| C. | Colorless water |
| D. | Growth of crenothrix in water mains |
| Answer» C. Colorless water | |
| 4906. |
What is the role of homologous recombination in vector infection? |
| A. | Integration |
| B. | Host recognition |
| C. | Duplication |
| D. | Packaging |
| Answer» B. Host recognition | |
| 4907. |
_______ allows an orderly growth of cellular system. |
| A. | Sectoring |
| B. | Scattering |
| C. | Cell splitting |
| D. | Micro cell zone technique |
| Answer» D. Micro cell zone technique | |
| 4908. |
Which characteristic of water does Calcium contribute to? |
| A. | Hardness |
| B. | Suspended solids |
| C. | pH |
| D. | Colour |
| Answer» B. Suspended solids | |
| 4909. |
The survey in which details are covered roughly but not accurately is called |
| A. | Reconnaissance |
| B. | Rough survey |
| C. | Map study |
| D. | Detailed study |
| Answer» B. Rough survey | |
| 4910. |
Which axis undergo shifting as a result of armature reaction? |
| A. | GNA |
| B. | MNA |
| C. | Both GNA and MNA |
| D. | Remains fixed |
| Answer» C. Both GNA and MNA | |
| 4911. |
Which value is determined by bringing all products of combustion back to original pre-combustion temperature? |
| A. | Higher calorific value |
| B. | Low calorific value |
| C. | Flash point value |
| D. | Fire point value |
| Answer» B. Low calorific value | |
| 4912. |
The maximum number of bolts of diameter 25mm that can be accomodated in one row in 200mm wide flat are: |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 4913. |
According to Armand V. Feigenbaum, Which of these is not the 3 tools of Quality improvement? |
| A. | Quality leadership |
| B. | Quality Technology |
| C. | Organizational commitment |
| D. | Quality commitment |
| Answer» E. | |
| 4914. |
Specific heat of a substance at constant volume is a property of the system. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 4915. |
What does the area of conductors in primary and secondary windings depend on? |
| A. | current |
| B. | voltage |
| C. | power |
| D. | current density |
| Answer» E. | |
| 4916. |
ADC0848 is a ____________ bit converter? |
| A. | 16 |
| B. | 4 |
| C. | 8 |
| D. | 48 |
| Answer» D. 48 | |
| 4917. |
Which of the following detectors have high sensitivity to all organic compounds? |
| A. | Sulphur chemiluminescense detector |
| B. | Thermionic emission detector |
| C. | Flame ionization detector |
| D. | Argon ionisation detector |
| Answer» D. Argon ionisation detector | |
| 4918. |
Which of the following is/are the Database server functions? |
| A. | Data management |
| B. | Transaction management |
| C. | Compile queries |
| D. | Query optimization |
| Answer» B. Transaction management | |
| 4919. |
In a dry environment, concrete strength will be loosed as much as __________ % in moist environment. |
| A. | 30 |
| B. | 40 |
| C. | 50 |
| D. | 60 |
| Answer» D. 60 | |
| 4920. |
If A, B and C are any three sets, then A – (B ∪ C) is equal to$ |
| A. | (A – B) ∪ (A – C) |
| B. | (A – B) ∪ C |
| C. | (A – B) ∩ (A – C) |
| D. | (A – B) ∩ C |
| Answer» D. (A ‚Äö√Ñ√∂‚àö√ë‚àö¬® B) ‚Äö√Ñ√∂‚àö‚Ƭ¨¬© C | |
| 4921. |
Annotation for Controller Class. |
| A. | @Before |
| B. | @Controller |
| C. | @After |
| D. | @Exception |
| Answer» C. @After | |
| 4922. |
High flux density leads to _________ |
| A. | a decreased voltage in the secondary |
| B. | a decreased voltage in the primary |
| C. | a increased voltage in the secondary |
| D. | a decreased voltage in the primary |
| Answer» D. a decreased voltage in the primary | |
| 4923. |
Super heater tubes are made up of what type of material? |
| A. | Copper alloy |
| B. | Carbon steel |
| C. | Titanium alloy |
| D. | Iron |
| Answer» C. Titanium alloy | |
| 4924. |
Lignin is easily measured indirectly by measuring the amount of __________ consumed by lignin in a sample of pulp of known mass. |
| A. | Anti oxidant |
| B. | Oxidant |
| C. | Pulp |
| D. | Poison |
| Answer» C. Pulp | |
| 4925. |
Long spans exceeding 30m necessitate: |
| A. | Welding |
| B. | Blocking |
| C. | Anchoring |
| D. | Spinning |
| Answer» B. Blocking | |
| 4926. |
Overlap add and Overlap save are the two methods for linear FIR filtering a long sequence on a block-by-block basis using DFT. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4927. |
A rod of length L and diameter D is subjected to a tensile load P. which of the following is sufficient to calculate the resulting change in diameter? |
| A. | Youngs modulus |
| B. | Poissons ratio |
| C. | Shear modulus |
| D. | Both Youngs modulus and shear modulus |
| Answer» B. Poissons ratio | |
| 4928. |
What filter is used by the FMS to estimate the position of the aircraft from various sensors? |
| A. | Kalman filter |
| B. | Position error filter |
| C. | GPS filter |
| D. | Gyro and accelerometer filter |
| Answer» B. Position error filter | |
| 4929. |
A semiconducting crystal 12mm long, 5mm wide and 1mm thick has a magnetic flux density of 0.5Wb/m2 applied from front to back perpendicular to largest faces. When a current of 20mA flows length wise through the specimen, the voltage measured across its width is found to be 37μV. What is the Hall coefficient of this semiconductor?$ |
| A. | 37√ó10<sup>-6</sup> m<sup>3</sup>/C |
| B. | 3.7√ó10<sup>-6</sup> m<sup>3</sup>/C |
| C. | 3.7√ó10<sup>6</sup> m<sup>3</sup>/C |
| D. | 0 |
| Answer» C. 3.7‚Äö√†√∂‚àö‚â•10<sup>6</sup> m<sup>3</sup>/C | |
| 4930. |
Let f(x) = ‚àösin(x) and let yn denote the nth derivative of f(x) at x = 0 then the value of the expression 12y(5) y(1) + 30 y(4) y(2) + 20 (y(3))2 is given by$ |
| A. | 0 |
| B. | 655 |
| C. | 999 |
| D. | 1729 |
| Answer» B. 655 | |
| 4931. |
A gas initially at 500°C, 1 MPa is contained in a piston-cylinder arrangement with an initial volume of 0.1 m^3. It is then slowly expanded according to the relation PV = constant until a final pressure of 100 kPa is attained. Determine the work for this process.$ |
| A. | 200.3 kJ |
| B. | 210.3 kJ |
| C. | 220.3 kJ |
| D. | 230.3 kJ |
| Answer» E. | |
| 4932. |
Commutative law is valid for the cross product of two vectors. (Commutative law: PxQ = QxP; for two vectors P and Q) |
| A. | True |
| B. | False |
| Answer» C. | |
| 4933. |
What disadvantage does silicon carbide have? |
| A. | Tensile strength |
| B. | Oxidation resistance |
| C. | Thermal conductivity |
| D. | Cost |
| Answer» E. | |
| 4934. |
How are windows, tabs, iframes, and frames treated according to client-side javascript? |
| A. | They are all browsing contexts |
| B. | They are all browsing informations |
| C. | They are all Window contexts |
| D. | They are all Window objects |
| Answer» B. They are all browsing informations | |
| 4935. |
______________ contributes towards the baked strength of molding sand. |
| A. | Natural Resin |
| B. | Carbon |
| C. | Olivine |
| D. | Core Oil |
| Answer» E. | |
| 4936. |
Both arms extended forward horizontally and the hands depressed briskly is the signal by surveyor then the action of the assistant should be ______ |
| A. | Move slowly forward |
| B. | Fix the rod |
| C. | Correct |
| D. | Wrong |
| Answer» C. Correct | |
| 4937. |
Absorption losses due to atomic defects mainly include- |
| A. | Radiation |
| B. | Missing molecules, oxygen defects in glass |
| C. | Impurities in fiber material |
| D. | Interaction with other components of core |
| Answer» C. Impurities in fiber material | |
| 4938. |
In a multiple view sketching, dimension should be placed on ___________ |
| A. | front view only |
| B. | each view |
| C. | the face that describe the feature most clearly |
| D. | the face which has maximum dimensions to show |
| Answer» D. the face which has maximum dimensions to show | |
| 4939. |
The polynomial x4+1 can be represented as –$ |
| A. | (x+1)(x<sup>3</sup>+x<sup>2</sup>+1) |
| B. | (x+1)(x<sup>3</sup>+x<sup>2</sup>+x) |
| C. | (x)(x<sup>2</sup>+x+1) |
| D. | None of the mentioned |
| Answer» E. | |
| 4940. |
A modern device that replaces a slotted line is: |
| A. | Digital CRO |
| B. | generators |
| C. | network analyzers |
| D. | computers |
| Answer» D. computers | |
| 4941. |
The last field in the packet is ______ |
| A. | PID |
| B. | ADDR |
| C. | ENDP |
| D. | CRC |
| Answer» E. | |
| 4942. |
In engineering drawing, which type of arrowhead is used? |
| A. | Open (90Àö) |
| B. | Small open circle |
| C. | Closed and filled |
| D. | Oblique stroke |
| Answer» D. Oblique stroke | |
| 4943. |
Sand Slinger is used for filling and ramming a large core. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4944. |
Which of the following statements are false? |
| A. | Every recursive language is recursively ennumerable |
| B. | Recursively ennumerable language may not be recursive |
| C. | Recursive languages may not be recursively ennumerable |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4945. |
With respect to end terminal modification of histone tail which of the following options is true? |
| A. | Lysine – phosphate modification |
| B. | Serine – methylation |
| C. | Acetylation – transcriptionally active |
| D. | Modifications – involvement in gene expression |
| Answer» E. | |
| 4946. |
When star/star connection is used? |
| A. | Small HV |
| B. | Small LV |
| C. | High HV |
| D. | High LV |
| Answer» B. Small LV | |
| 4947. |
Convert the following Infix expression to Postfix form using a stack |
| A. | * s, Follow usual precedence rule and assume that the expression is legal. |
| B. | xyz*+pq*r+s*+ |
| C. | xyz*+pq*r+s+* |
| D. | xyz+*pq*r+s*+ |
| Answer» B. xyz*+pq*r+s*+ | |
| 4948. |
Which of the following methods refers to deactivation of microbes in food using electricity? |
| A. | Power Ultrasound |
| B. | Pulsed Electric field |
| C. | Hurdle technology |
| D. | All of the mentioned |
| Answer» C. Hurdle technology | |
| 4949. |
99% of grease is produced from______ |
| A. | petroleum oil |
| B. | olive oil |
| C. | castor oil |
| D. | whale oil |
| Answer» B. olive oil | |
| 4950. |
The loads supported by an automobile frame are |
| A. | Weight of the body, passengers and cargo loads |
| B. | Torque from engine and transmission |
| C. | Sudden impacts from collisions |
| D. | All of the mentioned |
| Answer» E. | |