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This section includes 2114 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
301. |
The orifice is made of _____ |
A. | iron |
B. | zinc |
C. | sapphire |
D. | graphite |
Answer» D. graphite | |
302. |
Generally, the flexible pipe used to carry high pressure water to the cutting head has the diameter equal to _____ |
A. | 4 mm |
B. | 6 mm |
C. | 10 mm |
D. | 12 mm |
Answer» C. 10 mm | |
303. |
For which of the following applications, simple water jet machining is not used? |
A. | Textiles |
B. | Polymers |
C. | Reinforced plastics |
D. | Nonferrous metallic alloys |
Answer» D. Nonferrous metallic alloys | |
304. |
_____ process encapsulates contaminants in polyethylene. |
A. | PERM |
B. | DERM |
C. | TERM |
D. | POPA |
Answer» B. DERM | |
305. |
The end product resulting from solidification process is ____________ |
A. | Liquid waste |
B. | Silt |
C. | Waste block |
D. | Organics |
Answer» D. Organics | |
306. |
Stabilisation and solidification treatment can be applied for liquid waste. |
A. | True |
B. | False |
Answer» B. False | |
307. |
Cement kiln dust can be used as binding reagent. |
A. | True |
B. | False |
Answer» B. False | |
308. |
Stabilisation refers to changes in the ________ properties of hazardous waste. |
A. | Physical |
B. | Chemical |
C. | Biological |
D. | Physico-chemical |
Answer» C. Biological | |
309. |
Solidification refers to changes in the ________ properties of hazardous waste. |
A. | Physical |
B. | Chemical |
C. | Biological |
D. | Physico-chemical |
Answer» B. Chemical | |
310. |
In stabilisation and solidification treatment _______ is mixed with contaminated media. |
A. | Binding reagent |
B. | Neutralisation agent |
C. | Acidic agent |
D. | Basic agent |
Answer» B. Neutralisation agent | |
311. |
________ treatment method prevent immobilization of hazardous waste into environment. |
A. | Hydrolysis |
B. | Neutralisation |
C. | Chemical precipitation |
D. | Stabilisation and solidification |
Answer» E. | |
312. |
Which type of amine is produced by reaction of ketones with secondary amines, followed by reduction? |
A. | Secondary Aromatic amine |
B. | N-substituted amine |
C. | N, N-disubstituted amine |
D. | Primary aromatic amine |
Answer» D. Primary aromatic amine | |
313. |
Which type of amine is produced by reaction of ketones with primary amines, followed by reduction? |
A. | Secondary Aromatic amine |
B. | N-substituted amine |
C. | N, N-disubstituted amine |
D. | Primary aromatic amine |
Answer» C. N, N-disubstituted amine | |
314. |
What will be the product of the following reaction? |
A. | Propanamine |
B. | N-methylpropaneamine |
C. | N, N-dimethylpropanemamine |
D. | Ethyl amine |
Answer» B. N-methylpropaneamine | |
315. |
Gabriel’s phthalimide synthesis is used for the preparation of which amine? |
A. | Primary aromatic amine |
B. | Secondary amine |
C. | Primary aliphatic amine |
D. | Tertiary amine |
Answer» D. Tertiary amine | |
316. |
In the given equation, what is the final product C? |
A. | Ammonium acetate |
B. | Acetamide |
C. | Amino methane |
D. | Ethanal |
Answer» D. Ethanal | |
317. |
Starting from propanoic acid, the following reactions were carried out, what is the compound Z? |
A. | CH3−CH2−Br |
B. | CH3−CH2−NH2 |
C. | CH3-CH2-COBr |
D. | CH3−CH2−CH2−NH2 |
Answer» C. CH3-CH2-COBr | |
318. |
How can one reduce the aliasing effect on an image? |
A. | By reducing the high-frequency components of image by blurring the image |
B. | By increasing the high-frequency components of image by blurring the image |
C. | By reducing the high-frequency components of image by clarifying the image |
D. | By increasing the high-frequency components of image by clarifying the image |
Answer» B. By increasing the high-frequency components of image by blurring the image | |
319. |
How aliasing does corrupts the sampled image? |
A. | By introducing additional frequency components to the sampled function |
B. | By removing some frequency components from the sampled function |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» B. By removing some frequency components from the sampled function | |
320. |
What is the name of the phenomenon that corrupts the sampled image, and how does it happen? |
A. | Shannon sampling, if the band-limited functions are undersampled |
B. | Shannon sampling, if the band-limited functions are oversampled |
C. | Aliasing, if the band-limited functions are undersampled |
D. | Aliasing, if the band-limited functions are oversampled |
Answer» D. Aliasing, if the band-limited functions are oversampled | |
321. |
For a band-limited function, which Theorem says that “if the function is sampled at a rate equal to or greater than twice its highest frequency, the original function can be recovered from its samples”? |
A. | Band-limitation theorem |
B. | Aliasing frequency theorem |
C. | Shannon sampling theorem |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
322. |
The principal factor to determine the spatial resolution of an image is _______ |
A. | Quantization |
B. | Sampling |
C. | Contrast |
D. | Dynamic range |
Answer» C. Contrast | |
323. |
When is air assumed to be incompressible? |
A. | At low speed |
B. | At high speed |
C. | Independent of its speed |
D. | None of the mentioned |
Answer» B. At high speed | |
324. |
For source flow, the radial velocity increases as we move radially outward. |
A. | True |
B. | False |
Answer» C. | |
325. |
Which of the following is not a case of ideal fluid flow?a) Forced vortex Flowb) Uniform Flowc) Sink Flowd) Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis? |
A. | Forced vortex Flowb) Uniform Flowc) Sink Flowd) Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis?a) Velocity is constant |
B. | Uniform Flowc) Sink Flowd) Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis?a) Velocity is constantb) Acceleration is constant |
C. | Sink Flowd) Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis?a) Velocity is constantb) Acceleration is constantc) X- component of velocity is constant |
D. | Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis?a) Velocity is constantb) Acceleration is constantc) X- component of velocity is constantd) None of the mentionedView Answer |
Answer» B. Uniform Flowc) Sink Flowd) Superimposed flow 3.What is a special characteristic of uniform flow parallel to X axis?a) Velocity is constantb) Acceleration is constant | |
326. |
The characteristic of Ideal fluid are |
A. | Incompressible |
B. | Inviscid |
C. | Fluid velocity is uniform |
D. | Shear stress has a constant, non zero value |
Answer» D. Shear stress has a constant, non zero value | |
327. |
The primary mechanism responsible for mixing at the molecular level is called _____ |
A. | Bulk transport |
B. | Laminar mixing |
C. | Molecular diffusion |
D. | Lambda Mixing |
Answer» D. Lambda Mixing | |
328. |
______ is frequently encountered when highly viscous liquids are being processed. |
A. | Bulk transport |
B. | Laminar mixing |
C. | Turbulent mixing |
D. | Transition mixing |
Answer» C. Turbulent mixing | |
329. |
____ is a direct result of turbulent fluid flow. |
A. | Bulk transport |
B. | Laminar mixing |
C. | Turbulent mixing |
D. | Transition mixing |
Answer» D. Transition mixing | |
330. |
_____are formed when two or more than two gases or miscible liquids are mixed. |
A. | Negative mixture |
B. | Positive mixtures |
C. | Neutral mixtures |
D. | Solid mixtures |
Answer» C. Neutral mixtures | |
331. |
Which of the following is not seen in cut-paste transposition, but seen in copy-paste method? |
A. | Synaptic complex |
B. | Strand transfer |
C. | Transposase |
D. | Resolvase |
Answer» E. | |
332. |
Which of the following is not true about conservative transposition? |
A. | It creates direct repeat sequences on either side |
B. | It is Copy-Paste mechanism |
C. | Transesterification reaction takes place |
D. | Class II transposons have this mechanism |
Answer» C. Transesterification reaction takes place | |
333. |
Transposition doesn’t require much sequence homology between two genetic molecules, based on this hey can help in _____________ |
A. | Homologous DSB repair |
B. | Non-homologous end joining |
C. | Site-specific recombination |
D. | Homologous recombination |
Answer» D. Homologous recombination | |
334. |
Non-autonomous transposons can’t transpose. State whether the statement is true or false. |
A. | True |
B. | False |
Answer» C. | |
335. |
____________ is mandatory for autonomous transposition. |
A. | Internal gene |
B. | Transposase |
C. | 3’ concensus of region upstream to transposition |
D. | Branch point A |
Answer» C. 3’ concensus of region upstream to transposition | |
336. |
For a given material length, end conditions and equal area the shape of the column which is most efficient as per Euler’s is _________ |
A. | Square |
B. | Circular |
C. | I section |
D. | Tubular |
Answer» E. | |
337. |
The slenderness ratio is ________ to critical stress. |
A. | Directly proportional |
B. | Inversely proportional |
C. | Equal |
D. | Transverse |
Answer» C. Equal | |
338. |
The value of _________ is relatively high for short columns. |
A. | Safe load |
B. | Factored load |
C. | Working load |
D. | Buckling load |
Answer» E. | |
339. |
At ___________ load, the column is said to have developed an elastic instability. |
A. | Safe |
B. | Working |
C. | Factored |
D. | Crippling |
Answer» E. | |
340. |
Factor of safety is a ratio of crippling load to __________ load. |
A. | Critical load |
B. | Buckling load |
C. | Safe load |
D. | Ultimate load |
Answer» D. Ultimate load | |
341. |
Which of the following is also known as the working load? |
A. | Safe load |
B. | Crippling load |
C. | Ultimate load |
D. | Buckling load |
Answer» B. Crippling load | |
342. |
The slenderness ratio is the ratio of effective length to least ______________ |
A. | Ultimate load |
B. | Actual length |
C. | Radius of gyration |
D. | Factor of safety |
Answer» D. Factor of safety | |
343. |
For ___________ columns, the slenderness ratio is more than 32 and less than 120. |
A. | Long |
B. | Short |
C. | Average |
D. | Medium |
Answer» E. | |
344. |
In short columns, the slenderness ratio is less than __________ |
A. | 32 |
B. | 64 |
C. | 56 |
D. | 28 |
Answer» B. 64 | |
345. |
The hinged end is also known as ___________ |
A. | Fixed end |
B. | Pinned end |
C. | Rigid end |
D. | Free end |
Answer» C. Rigid end | |
346. |
_____________ of column mainly depends upon end conditions. |
A. | Radius of gyration |
B. | Slenderness ratio |
C. | Factored load |
D. | Effective length |
Answer» E. | |
347. |
What is the distinguishing property between biotite mica and muscovite mica? |
A. | Streak |
B. | Lustre |
C. | Colour |
D. | Hardness |
Answer» D. Hardness | |
348. |
Pick the wrong statement about mica. |
A. | They have high hardness |
B. | They have low hardness |
C. | They are usually transparent to translucent |
D. | They are used as good electrical insulators |
Answer» B. They have low hardness | |
349. |
What is the streak given by muscovite mica? |
A. | White |
B. | Black |
C. | Yellow |
D. | Colourless |
Answer» E. | |
350. |
There is the presence of eminent cleavage in micas. |
A. | True |
B. | False |
Answer» B. False | |