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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.
5151. |
Which of the following does not hold true about ECM? |
A. | ECM cell must avoid flutter and arcing |
B. | Part and the cathode must have adequate current-carrying capacity |
C. | Tool must have shape exactly same as that of the mirror image of the part |
D. | It gives burr free surface |
Answer» D. It gives burr free surface | |
5152. |
For a compressible fluid, if there is no change in specific volume at constant temperature, what type of process it is? |
A. | Isothermal process |
B. | Adiabatic Process |
C. | Polytropic process |
D. | None of the mentioned |
Answer» B. Adiabatic Process | |
5153. |
Sharpening is analogous to which of the following operations? |
A. | To spatial integration |
B. | To spatial differentiation |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» C. All of the mentioned | |
5154. |
The Adapter patterns provide object-oriented adapters in which of theses varieties? |
A. | One uses inheritance |
B. | one uses delegation |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
5155. |
On the basis of nature, communicating can be of two types. |
A. | True |
B. | False |
Answer» B. False | |
5156. |
Which of the following grade of a hole is mostly used for non-circular fits? |
A. | H5 |
B. | H6 |
C. | H7 |
D. | H9 |
Answer» E. | |
5157. |
The stress represented by sin (t) + 2 belongs to which category? |
A. | Fluctuating Stresses |
B. | None of the mentioned |
C. | Repeated Stresses |
D. | Reversed Stresses |
Answer» B. None of the mentioned | |
5158. |
Another method of DNA recovery is termed as freeze-squeeze. The correct statement for it is? |
A. | The slice containing DNA is cut and frozen into liquid oxygen |
B. | Freezing doesn’t have any effect on the DNA structure |
C. | After freezing centrifugation is carried out through glass wool plug |
D. | The substance used for centrifugation allows the gel to pass through but the liquid is retained |
Answer» D. The substance used for centrifugation allows the gel to pass through but the liquid is retained | |
5159. |
To create an archive named abc.tar consisting of two files, file01 and file02, which of the following command will be used? |
A. | tar -cvf abc.tar file01 file02 |
B. | tar -cvf file01 file02 abc.tar |
C. | tar -cv abc.tar file01 file02 |
D. | tar -c abc.tar file01 file02 |
Answer» C. tar -cv abc.tar file01 file02 | |
5160. |
What is the nominal range of Bluetooth? |
A. | 1 Km |
B. | 10 m |
C. | 1 m |
D. | 10 Km |
Answer» C. 1 m | |
5161. |
A variety of pretreatment processes applied to pulp lower the amount of bleaching chemicals required. |
A. | True |
B. | False |
Answer» B. False | |
5162. |
Which of the following sentences is untrue with respect to proteins? |
A. | Lysine is an essential amino acid. |
B. | The requirement of essential amino acids per kg of protein is called ‘reference pattern of amino acids’ |
C. | Limiting amino acid content is the amino acid found in maximum quantity in the protein |
D. | There are 20 amino acids in the protein we require everyday |
Answer» D. There are 20 amino acids in the protein we require everyday | |
5163. |
Impedance can be measured by connecting an ohm meter across input or output. |
A. | True |
B. | False |
Answer» C. | |
5164. |
The pressure of which gas gives the reading of water content on the pressure gauge? |
A. | Methane |
B. | Acetone |
C. | Acetylene |
D. | Carbon dioxide |
Answer» D. Carbon dioxide | |
5165. |
How is throwaway prototype different from evolutionary prototype ? |
A. | It involves successive steps |
B. | It involves just one task |
C. | The prototype is built with the idea that it will eventually be converted into final system |
D. | It has a shorter development time |
Answer» C. The prototype is built with the idea that it will eventually be converted into final system | |
5166. |
Impulse turbine and reaction turbine 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» B. Direction of flow through runner | |
5167. |
The main concern before doing hopkinson’s test for finding efficiency is$ |
A. | needs one motor and one generator is that it |
B. | ignores iron and stray losses |
C. | needs one motor |
D. | requires identical shunt machines |
Answer» E. | |
5168. |
Calculate the Nyquist rate for the signal : |
A. | = 12cos50πt + 7 cos75π t – 13 cos100πt |
B. | 300 Hz |
C. | 600 Hz |
D. | 100 Hz |
Answer» D. 100 Hz | |
5169. |
What concentration of iron and manganese will cause unpleasant taste and odor of water? |
A. | 1ppm |
B. | 2ppm |
C. | 3ppm |
D. | >3ppm |
Answer» E. | |
5170. |
Why does the integration of YEp vector occur in a yeast chromosome? |
A. | Recombination |
B. | Smaller size |
C. | Similarity with host |
D. | Lytic cycle |
Answer» B. Smaller size | |
5171. |
Error in () |
A. | Error due to absence of comma |
B. | Error due to command |
C. | Logical 1 |
Answer» B. Error due to command | |
5172. |
________ uses directional antennas to control interference. |
A. | Sectoring |
B. | Cell splitting |
C. | Repeaters |
D. | Micro cell zone concept |
Answer» B. Cell splitting | |
5173. |
What is the relationship between turbidity and TSS For a settled secondary effluent? |
A. | TSS = (2.3) x Turbidity |
B. | TSS = (2.0) x Turbidity |
C. | TSS = (2.5) x Turbidity |
D. | TSS = (1.3) x Turbidity |
Answer» B. TSS = (2.0) x Turbidity | |
5174. |
The maps in India related to topography are prepared by |
A. | Geological survey of India |
B. | Survey of India |
C. | NHAI |
D. | GOI |
Answer» C. NHAI | |
5175. |
Resultant ampere-turn distribution of a DC machine is given by _________ |
A. | AT<sub>resultant</sub>(∅) = AT<sub>f</sub> (∅) – AT<sub>a</sub>(∅) |
B. | AT<sub>resultant</sub>(∅) = – AT<sub>f</sub> (∅) + AT<sub>a</sub>(∅) |
C. | AT<sub>resultant</sub>(∅) = -AT<sub>f</sub> (∅) – AT<sub>a</sub>(∅) |
D. | AT<sub>resultant</sub>(‚àÖ) = AT<sub>f</sub> (‚àÖ) + AT<sub>a</sub>(‚àÖ) |
Answer» E. | |
5176. |
Based on what basis are fuels compared? |
A. | Fire point value |
B. | High calorific value |
C. | Flash point value |
D. | Low calorific value |
Answer» E. | |
5177. |
Shear Capacity of HSFG bolts is |
A. | μ<sub>f</sub>n<sub>e</sub>k<sub>h</sub>F<sub>o</sub> |
B. | μ<sub>f</sub>n<sub>e</sub>k<sub>h</sub>F<sub>o</sub>γ<sub>mf</sub> |
C. | μ<sub>f</sub>n<sub>e</sub>k<sub>ho</sub>γ<sub>mf</sub> |
D. | μ<sub>f</sub>n<sub>e</sub>k<sub>h</sub>F<sub>o</sub>/γ<sub>mf</sub> |
Answer» E. | |
5178. |
The output is suppressed |
A. | A row vector |
B. | A row vector concatenated with a null matrix |
C. | Error |
Answer» B. A row vector concatenated with a null matrix | |
5179. |
Which of the following is not a part of Juran Trilogy? |
A. | Planning |
B. | Control |
C. | Check |
D. | Improvement |
Answer» D. Improvement | |
5180. |
Heat transferred at constant _____ increases the _____ of a system. |
A. | pressure, increases |
B. | volume, increases |
C. | both of the mentioned |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
5181. |
What is the formula for obtaining the current in the primary winding? |
A. | current in primary winding = kVA per turn * 103 * primary voltage |
B. | current in primary winding = kVA per phase * 103 * primary voltage |
C. | current in primary winding = kVA per turn * 103 / primary voltage |
D. | current in primary winding = kVA per phase * 103 / primary voltage |
Answer» E. | |
5182. |
In an ADC, we can calculate the output voltage from the formula |
A. | Step size / Vin |
B. | Step size * Vin |
C. | Vin / step size |
D. | Vref / step size |
Answer» D. Vref / step size | |
5183. |
Which of the following is not a type of detector used in gas chromatography? |
A. | Argon ionisation detector |
B. | Thermal conductivity detector |
C. | UV visible spectrometric detector |
D. | Electron capture detector |
Answer» D. Electron capture detector | |
5184. |
The ________________ is essentially used to search for patterns in target string. |
A. | Like Predicate |
B. | Null Predicate |
C. | In Predicate |
D. | Out Predicate |
Answer» B. Null Predicate | |
5185. |
The use of crushed aggregates may results in 10 to 20% higher compressive strength. Is this statement true or false? |
A. | True |
B. | False |
Answer» B. False | |
5186. |
Empty set is a |
A. | Invalid set |
B. | Infinite set |
C. | Finite set |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
5187. |
Class used to give a class behavior of a Dispatcher Servlet. |
A. | AbstractController |
B. | Controller |
C. | Abstract Class |
D. | AbstractAction |
Answer» B. Controller | |
5188. |
When the secondary circuit of a C.T. is open, |
A. | a very high flux density is produced |
B. | a very low flux density is produced |
C. | a moderate flux density is produced |
D. | no flux density is produced |
Answer» B. a very low flux density is produced | |
5189. |
Feed water from the hot well is supplied to steam generator by using the _________ |
A. | Sewers |
B. | Cistern |
C. | Water trough |
D. | Feed pump |
Answer» E. | |
5190. |
To measure residual lignin prior to bleaching pulp brightness between bleaching stages are often used to control the bleaching operation. |
A. | True |
B. | False |
Answer» B. False | |
5191. |
Reinforced concrete shells are ideally suited to cover floor spaces of up to: |
A. | 15m |
B. | 25m |
C. | 30m |
D. | 40m |
Answer» D. 40m | |
5192. |
What is the sequence y(n) that results from the use of four point DFTs if the impulse response is h(n)={1,2,3} and the input sequence x(n)={1,2,2,1}? |
A. | {9,9,7,11} |
B. | {1,4,9,11,8,3} |
C. | {7,9,7,11} |
D. | {9,7,9,11} |
Answer» E. | |
5193. |
The relationship between Youngs modulus E, bulk modulus K if the value of Poissons ratio is unity will be |
A. | E = -3K |
B. | K = -3E |
C. | E = 0 |
D. | K = 0 |
Answer» B. K = -3E | |
5194. |
The standby FMC performs calculations even when both the FMC are fully functional. |
A. | True |
B. | False |
Answer» C. | |
5195. |
Find the resistance of an intrinsic Ge rod cm long, 1mm wide and 1mm thick at 300K. |
A. | 2.32 ohm |
B. | 5314 ohm |
C. | 4310 ohm |
D. | 431 ohm |
Answer» D. 431 ohm | |
5196. |
Let f(x) = eex assuming all the nth derivatives at x =0 to be 1 the value of the (n + 1)th derivative can be written as |
A. | e – 1 + 2<sup>n</sup> |
B. | 0 |
C. | 1 |
D. | None |
Answer» B. 0 | |
5197. |
A piston-cylinder contains carbon dioxide at 2MPa with V=50 L. The device has a mass of 4 kg. Everything is initially at 200°C. By heat transfer the whole system cools to 25°C, at which point the gas pressure is 1.5 MPa. Find the work done.$ |
A. | -10.0 kJ |
B. | -12.0 kJ |
C. | -14.0 kJ |
D. | -16.0 kJ |
Answer» D. -16.0 kJ | |
5198. |
Mathematically, for two vectors A and B of any magnitude, the cross product of both, i.e. AxB = given by: |
A. | |A||B|sin√ò |
B. | |A||B| |
C. | |A||B|cos√ò |
D. | |A||B|sin(180°+Ø) |
Answer» B. |A||B| | |
5199. |
Silicon carbides resist oxidation up to ______ |
A. | 100<sup>o</sup>C |
B. | 500<sup>o</sup>C |
C. | 1000<sup>o</sup>C |
D. | 1500<sup>o</sup>C |
Answer» E. | |
5200. |
Nested documents inside the HTML documents can be created using ___________ |
A. | frame |
B. | nest |
C. | iframe |
D. | into |
Answer» D. into | |