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.
| 4101. |
Identify the unit of “k” in moles/L for the rate law: k[A][B]pow2$ |
| A. | L/mol/s |
| B. | L(pow2)/mol/s |
| C. | L(pow2)* s(pow2)/mol(pow2) |
| D. | s |
| Answer» E. | |
| 4102. |
A transformation function of particular importance in image processing is represented in which of the following form? |
| A. | s=T(r)=∫<sub>0</sub> <sup>(2r)</sup>p<sub>r</sub> (ω)dω |
| B. | s=T(r)=∫<sub>0</sub> <sup>(r-1)</sup>p<sub>r</sub> (ω)dω |
| C. | s=T(r)=∫<sub>0</sub> <sup>(r/2)</sup>p<sub>r</sub> (ω)dω |
| D. | s=T(r)=∫<sub>0</sub> p<sub>r</sub> (ω)dω |
| Answer» E. | |
| 4103. |
The technique that is used to pass the data or parameter to procedures in assembly language program is by using |
| A. | global declared variable |
| B. | registers |
| C. | stack |
| D. | all of the mentioned |
| Answer» E. | |
| 4104. |
Myoglobin binding of O2 depends on |
| A. | Hemoglobin concentration |
| B. | O<sub>2</sub> concentration and affinity of myoglobin for O2 |
| C. | K<sub>a</sub> |
| D. | K<sub>d</sub> |
| Answer» C. K<sub>a</sub> | |
| 4105. |
Which waveform scheme introduces bandwidth compression? |
| A. | Duobinary |
| B. | Manchester coding |
| C. | Phase encoded waveform |
| D. | Multilevel codes |
| Answer» E. | |
| 4106. |
For a parallel connected resistor R1, R2 and a voltage of V volts. Current across the first resistor is given by |
| A. | I R<sub>1</sub> |
| B. | I R<sub>2</sub> |
| C. | I R<sub>1</sub> / R<sub>1</sub> + R<sub>2</sub> |
| D. | I R<sub>2</sub> / R<sub>1</sub> + R<sub>2</sub> |
| Answer» E. | |
| 4107. |
The other name for Delta connection is ___________ |
| A. | Star connection |
| B. | Pi connection |
| C. | T connection |
| D. | Y connection |
| Answer» C. T connection | |
| 4108. |
PMDC device is commonly employed for: |
| A. | Speed feedback in speed control system |
| B. | Internal velocity feedback loop of a position control system |
| C. | This device is used in both speed feedback and internal velocity feedback control |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4109. |
Which process is also called product recovery? |
| A. | Upstream processing |
| B. | Mid-stream processing |
| C. | Downstream processing |
| D. | Biological processing |
| Answer» D. Biological processing | |
| 4110. |
If for an algorithm time complexity is given by O((3‚ÅÑ2)n) then complexity will:$ |
| A. | constant |
| B. | quardratic |
| C. | exponential |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4111. |
The UPDATE SQL clause can |
| A. | update only one row at a time |
| B. | update more than one row at a time |
| C. | delete more than one row at a time |
| D. | delete only one row at a time |
| Answer» C. delete more than one row at a time | |
| 4112. |
Which of the following options doesn’t defined for the necessity for the existence of the potential barrier?$ |
| A. | Contact |
| B. | Potential |
| C. | Diffusion |
| D. | Fermi dirac |
| Answer» E. | |
| 4113. |
The signed magnitude for -3 will be ___________ |
| A. | 00000011 |
| B. | 10000011 |
| C. | 11111101 |
| D. | 11111100 |
| Answer» C. 11111101 | |
| 4114. |
The soil suction is maximum ,when angle of contact(α) is_____________$ |
| A. | α=0 |
| B. | α=90 |
| C. | α=60 |
| D. | α=1 |
| Answer» B. ‚âà√≠¬¨¬±=90 | |
| 4115. |
When it is not possible to have the flushing nozzles close to the top or bottom of the workpiece _____ machines may require constant adjustment of the top and bottom flush. |
| A. | submerged type |
| B. | splash flush |
| C. | rigid flush |
| D. | stock flush |
| Answer» C. rigid flush | |
| 4116. |
ESP is abbreviated as ____________ |
| A. | Encapsulating Security Payload |
| B. | Encapsulating Secure Protocol |
| C. | Encrypted Secure Payload |
| D. | Encapsulating Secure Payload |
| Answer» E. | |
| 4117. |
1–Value is set$ |
| A. | 2–Value is set |
| B. | 1–Value is set |
| C. | |
| Answer» C. | |
| 4118. |
In the equation, 20cos‚Å°(108 t+3 sin‚Å°109 t) the modulation index is ________$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 4119. |
The protecting part of the tread beyond the face of Riser is known as a ______ |
| A. | Pitch |
| B. | Rise |
| C. | Riser |
| D. | Nosing |
| Answer» E. | |
| 4120. |
What is the formula for lost work? |
| A. | LW = h- TΔS |
| B. | LW = T<sub>0 </sub>– TΔS<sub>irr</sub> |
| C. | LW = T<sub>0</sub> ΔS<sub>irr</sub> |
| D. | LW = T<sub>0</sub> – S<sub>irr</sub> |
| Answer» D. LW = T<sub>0</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® S<sub>irr</sub> | |
| 4121. |
Blends of terylene fibers with wool have better crease and wrinkle resistance, they are more durable, higher strength, do not shrink and are not attacked by moths. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4122. |
What effect does cobalt have on steel? |
| A. | Increases hardenability |
| B. | Decreases hardenability |
| C. | Changes color |
| D. | No change |
| Answer» C. Changes color | |
| 4123. |
Find the checksum byte for the fallowing data words: 10110011, 10101011, 01011010, 11010101 |
| A. | 10001101 |
| B. | 01110010 |
| C. | 10110101 |
| D. | 01110010 |
| Answer» B. 01110010 | |
| 4124. |
In case of compression members where forces are transferred through butting faces, pitch shall not exceed ___ for a distance of 1.5 times width of member from butting faces. |
| A. | 4.5d, where d= diameter of fasteners |
| B. | 5d, where d= diameter of fasteners |
| C. | 2.5d, where d= diameter of fasteners |
| D. | 5.5d, where d= diameter of fasteners |
| Answer» B. 5d, where d= diameter of fasteners | |
| 4125. |
Which of the following is true, when the density of LDPE is increased? |
| A. | crystallinity decreases |
| B. | permeability to liquid and gas decreases |
| C. | toughness increases |
| D. | all of the mentioned |
| Answer» C. toughness increases | |
| 4126. |
Maximum possible efficiency of a self-locking screw is |
| A. | 50% |
| B. | 75% |
| C. | 66% |
| D. | 33% |
| Answer» B. 75% | |
| 4127. |
In which of the following operations is a dummy block used? |
| A. | Indirect extrusion |
| B. | Direct extrusion |
| C. | Impact extrusion |
| D. | Hydrostatic extrusion |
| Answer» C. Impact extrusion | |
| 4128. |
Which of the following are true for selecting ans profiling standards? |
| A. | The art of choosing your standard starts with market research |
| B. | To select the standards to use, one has to categorize them |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4129. |
Which phase of the RUP is used to establish a business case for the system ? |
| A. | Transition |
| B. | Elaboration |
| C. | Construction |
| D. | Inception |
| Answer» E. | |
| 4130. |
The ignition timing is fixed to obtain minimum power from the engine. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4131. |
The divergence theorem value for the function x2 + y2 + z2 at a distance of one unit from the origin is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» E. | |
| 4132. |
Energy flow is cyclic |
| A. | True |
| B. | False |
| Answer» C. | |
| 4133. |
Which defect is rupturing of sheet and following the roller path? |
| A. | Folds |
| B. | Laminations |
| C. | Alligatoring |
| D. | Wavy edges |
| Answer» D. Wavy edges | |
| 4134. |
Which circuit is used as active load for an amplifier |
| A. | Wildar Current source |
| B. | Darlington pair |
| C. | Current Mirror |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 4135. |
Superconductors can be used as a memory or storage elements in computers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4136. |
Which vectors are mostly used for creating genomic libraries? |
| A. | Lambda phage vectors |
| B. | M13 phage vectors |
| C. | Plasmid vectors |
| D. | Cosmid vectors |
| Answer» B. M13 phage vectors | |
| 4137. |
The scale factor of viewport transformation for x co-ordinate is ________ |
| A. | S<sub>x</sub> = (sv<sub>max</sub> – sv<sub>min</sub>)/ (sw<sub>max</sub> – sw<sub>min</sub>) |
| B. | S<sub>x</sub> = (sv<sub>max</sub> – sv<sub>min</sub>)/ (sw<sub>max</sub> + sw<sub>min</sub>) |
| C. | S<sub>x</sub> = (sv<sub>min</sub> – sv<sub>max</sub>)/ (sw<sub>max</sub> – sw<sub>min</sub>) |
| D. | S<sub>x</sub> = (sv<sub>max</sub> + sv<sub>min</sub>)/ (sw<sub>max</sub> – sw<sub>min</sub>) |
| Answer» B. S<sub>x</sub> = (sv<sub>max</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® sv<sub>min</sub>)/ (sw<sub>max</sub> + sw<sub>min</sub>) | |
| 4138. |
In matrix form, system equation is expressed as |
| A. | r<sub>i</sub>v<sub>i</sub> = -f<sub>j</sub> |
| B. | r<sub>i</sub>v<sub>i</sub> = -K<sub>j</sub> |
| C. | r<sub>i</sub>v<sub>i</sub> = -G<sub>j</sub> |
| D. | r<sub>i</sub>v<sub>i</sub> = -Z<sub>j</sub> |
| Answer» B. r<sub>i</sub>v<sub>i</sub> = -K<sub>j</sub> | |
| 4139. |
Determine the Time period of: x(t)=3 cos‚Å°(20t+5)+sin‚Å°(8t-3).$ |
| A. | 1/10 sec |
| B. | 1/20 sec |
| C. | 2/5 sec |
| Answer» D. | |
| 4140. |
Electrolyte flow plays an important role in ECM. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4141. |
Calculate the pressure exerted by 9 kg of air at a temperature of 20‚ÑÉ if the volume is 0.8m3. Assuming ideal gas laws are applicable.$ |
| A. | 946 kN/m<sup>2</sup> |
| B. | 1892 kN/m<sup>2</sup> |
| C. | 1419 kN/m<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 1892 kN/m<sup>2</sup> | |
| 4142. |
The derivative of digital function is defined in terms of difference. Then, which of the following defines the first order derivative ∂f/∂x= ___________ of a one-dimensional function f(x)?$ |
| A. | f(x+1)-f(x) |
| B. | f(x+1)+ f(x-1)-2f(x) |
| C. | All of the mentioned depending upon the time when partial derivative will be dealt along two spatial axes |
| D. | None of the mentioned |
| Answer» B. f(x+1)+ f(x-1)-2f(x) | |
| 4143. |
Which of the following is true for proxy pattern? |
| A. | Has exactly the same interface as the real object |
| B. | Handles routine or illegitimate messages without accessing the real object |
| C. | Delegates messages that it cannot handle to the real object |
| D. | All of the mentioned |
| Answer» E. | |
| 4144. |
Any business house is concerned with _______ communication. |
| A. | external |
| B. | dumb |
| C. | deaf |
| D. | blind |
| Answer» B. dumb | |
| 4145. |
Which of the following grade is never used for fits? |
| A. | H10 |
| B. | H11 |
| C. | H8 |
| D. | H9 |
| Answer» C. H8 | |
| 4146. |
Which of the following method is called while accessing documents using the array index notation ? |
| A. | cur.toArray() |
| B. | cursor.toArray() |
| C. | doc.toArray() |
| D. | all of the mentioned |
| Answer» C. doc.toArray() | |
| 4147. |
The phenomenon of decreased resistance of the materials to fluctuating stresses is the main characteristic of _____ failure. |
| A. | Fracture |
| B. | Fatigue |
| C. | Yielding |
| D. | None of the mentioned |
| Answer» C. Yielding | |
| 4148. |
The greatest separation is obtained in which portion of the gel? |
| A. | Lower portion where the anode is |
| B. | Lower portion where the cathode is |
| C. | The separation is uniform all over |
| D. | It varies according to the quantity of the size of the molecules to be separated |
| Answer» B. Lower portion where the cathode is | |
| 4149. |
Which command is used for compressing and archiving files together? |
| A. | gzip and tar |
| B. | gzip |
| C. | bzip2 |
| D. | zip |
| Answer» E. | |
| 4150. |
What is the range of time slot in Bluetooth? |
| A. | 120 milliseconds |
| B. | 625 microseconds |
| C. | 577 microseconds |
| D. | 5.7 seconds |
| Answer» C. 577 microseconds | |