MCQOPTIONS
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MCQOPTIONS
This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Find XK+1? If Xk = 0.5, consider a difference of 5 stages |
| A. | 4.5 |
| B. | 5.5 |
| C. | 3.5 |
| D. | Can’t be calculated |
| Answer» C. 3.5 | |
| 202. |
For any instance, XK+1 is |
| A. | Xk + h |
| B. | Xk + t |
| C. | Xk + X |
| D. | Xk + X1 |
| Answer» B. Xk + t | |
| 203. |
What is Fk? |
| A. | Vector |
| B. | Matrix |
| C. | Factor |
| D. | Correction |
| Answer» E. | |
| 204. |
In matrix language, The Newton Raphson equation is |
| A. | Ji Yif = -Fk |
| B. | Ji Xif = -Fk |
| C. | Ji Kif = -Fk |
| D. | Ji Tif = -Fk |
| Answer» C. Ji Kif = -Fk | |
| 205. |
Which of the following is not a requirement for membrane separators? |
| A. | Good mechanical properties |
| B. | Long term stability |
| C. | High electrical resistance |
| D. | Durability under required conditions |
| Answer» D. Durability under required conditions | |
| 206. |
Membrane used in membrane cell process is ______________ |
| A. | Asbestos |
| B. | Anion- exchange membrane |
| C. | Cation-exchange membrane |
| D. | Woven fabric |
| Answer» D. Woven fabric | |
| 207. |
Which of the following product is obtained at cathode in mercury cell process? |
| A. | NaOH |
| B. | NaHg |
| C. | Cl2 |
| D. | NaCl |
| Answer» C. Cl2 | |
| 208. |
Diaphragm used in diaphragm cell process is ______________ |
| A. | Asbestos |
| B. | Poly vinyl chloride |
| C. | Wooden material |
| D. | Woven fabric |
| Answer» B. Poly vinyl chloride | |
| 209. |
Pure sodium hydroxide is obtained in mercury cell process. Is the statement true/false? |
| A. | True |
| B. | False |
| Answer» C. | |
| 210. |
Which of the following is a disadvantage of membrane cell process? |
| A. | Asbestos emission |
| B. | Mercury contamination |
| C. | High purity of brine |
| D. | High electrical energy consumption |
| Answer» D. High electrical energy consumption | |
| 211. |
Which of the following is an advantage of mercury cell process? |
| A. | Pure sodium hydroxide |
| B. | Pure chlorine gas |
| C. | Utilization of less pure brine |
| D. | Low electrical energy consumption |
| Answer» C. Utilization of less pure brine | |
| 212. |
Concentration of NaOH produced in mercury cell process is ___________ |
| A. | 10-12% |
| B. | 30-33% |
| C. | 50% |
| D. | 70% |
| Answer» E. | |
| 213. |
Reagent used for drying of Cl2 is ______________ |
| A. | H3PO4 |
| B. | H2SO4 |
| C. | HCl |
| D. | HNO3 |
| Answer» C. HCl | |
| 214. |
Major production of caustic soda is through ________________ |
| A. | Mercury cell process |
| B. | Diaphragm cell process |
| C. | Chemical process |
| D. | Mebrane cell process |
| Answer» B. Diaphragm cell process | |
| 215. |
Which of the following is denuding reaction? |
| A. | NaCl+H2O →\(NaOH+\frac{1}{2} H_2+\frac{1}{2} Cl_2 \) |
| B. | Cl– →\(\frac{1}{2}\) Cl2 + e– |
| C. | Na + Hg →NaHg |
| D. | NaHg+H2O →NaOH+\(\frac{1}{2}\) H2 + Hg |
| Answer» E. | |
| 216. |
Cathode used in electrolysis of brine by diaphragm cell type is _____________ |
| A. | Lead |
| B. | Iron |
| C. | Titanium |
| D. | Carbon |
| Answer» C. Titanium | |
| 217. |
High concentration of NaOH is produced by _____________ |
| A. | Mebrane cell process |
| B. | Diaphragm cell process |
| C. | Mercury cell process |
| D. | Chemical process |
| Answer» D. Chemical process | |
| 218. |
Sodium hydroxide is insoluble in water. |
| A. | True |
| B. | False |
| Answer» C. | |
| 219. |
What are the co-products in the electrolysis of brine? |
| A. | Chlorine and caustic soda |
| B. | Soda ash and caustic soda |
| C. | Soda ash and chlorine |
| D. | Chlorine, caustic soda, and soda ash |
| Answer» B. Soda ash and caustic soda | |
| 220. |
Files that support log disks are called as ________ |
| A. | Logging file systems |
| B. | Jorte File Systems |
| C. | Journaling File Systems |
| D. | Channelizing File Systems |
| Answer» D. Channelizing File Systems | |
| 221. |
What is an NVRAM? |
| A. | RAM which is non-volatile in nature |
| B. | RAM whose data is not lost during power failures |
| C. | RAM that significantly speeds up data transfers |
| D. | All of the mentioned |
| Answer» E. | |
| 222. |
What is buffering? |
| A. | The blocks read from disk are directly accessed |
| B. | The blocks read from disk are temporarily stored in a memory |
| C. | The blocks read from disk are organized in a particular fashion to cater requests. |
| D. | None of the mentioned |
| Answer» C. The blocks read from disk are organized in a particular fashion to cater requests. | |
| 223. |
Statement 1: Cache storage is very fastStatement 2: Cache storage is very cheap |
| A. | Both the statements are true |
| B. | Statement 1 is true but statement 2 is false |
| C. | Statement 1 is false but statement 2 is true |
| D. | Both the statements are false |
| Answer» C. Statement 1 is false but statement 2 is true | |
| 224. |
A cohesive soil yields a maximum dry density of 1.8 g/cc at an OMC of 16 % during a standard proctor test. What will be its degree of saturation?Take G=2.65 |
| A. | 100 % |
| B. | 60.45 % |
| C. | 43.27 % |
| D. | 89.79 % |
| Answer» E. | |
| 225. |
Strength of soil sample compacted wet of optimum is influenced by ____________ |
| A. | Compressibility |
| B. | Permeability |
| C. | Manner of compaction |
| D. | Amount of compaction |
| Answer» D. Amount of compaction | |
| 226. |
The structure of composite soil after compacted will be in the form of ______________ |
| A. | Coarse grained skeleton structure and Cohesive matrix structure |
| B. | Single grained structure |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Single grained structure | |
| 227. |
The shear strength of compacted clays depends upon ____________ |
| A. | Dry density |
| B. | Water content |
| C. | Degree of saturation |
| D. | Addition of admixtures |
| Answer» B. Water content | |
| 228. |
The flocculated structure of compacted dry soil is broken due to _____________ |
| A. | High strains |
| B. | Low water content |
| C. | Low strains |
| D. | Dry density |
| Answer» B. Low water content | |
| 229. |
When compacted dry of optimum, the structure of clay is always ___________ |
| A. | Flocculated |
| B. | Dispersed |
| C. | Disoriented |
| D. | Honey comb shaped |
| Answer» B. Dispersed | |
| 230. |
Which of the following property of soil is improved by compacting the soil? |
| A. | Reduction of compressibility |
| B. | Water absorption |
| C. | Permeability |
| D. | All of the mentioned |
| Answer» E. | |
| 231. |
Aerated concrete is made in the density of approx. _________ kg/m3. |
| A. | 50 |
| B. | 150 |
| C. | 250 |
| D. | 350 |
| Answer» E. | |
| 232. |
Entrainment of air while applying cement, increases resistance to frost action. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 233. |
Which one is not used as air entraining agents? |
| A. | Alumina |
| B. | Natural resins |
| C. | Fats |
| D. | Oil |
| Answer» B. Natural resins | |
| 234. |
Air contents should be _________ % by volume. |
| A. | 1-2 |
| B. | 2-3 |
| C. | 3-4 |
| D. | 4-5 |
| Answer» D. 4-5 | |
| 235. |
Aerated Concrete is _________ |
| A. | Very heavy weight |
| B. | Heavy weight |
| C. | Medium weight |
| D. | Light weight |
| Answer» E. | |
| 236. |
What is the amount of mixing water used to make LWC? |
| A. | 1/2 |
| B. | 2/3 |
| C. | 1/4 |
| D. | 1/3 |
| Answer» C. 1/4 | |
| 237. |
If the filtration pressure is constant, the rate of flow will _____ |
| A. | Increase |
| B. | Diminish |
| C. | Stop |
| D. | Be constant |
| Answer» C. Stop | |
| 238. |
The properties like viscosity, density, corrosion are important while selecting equipment’s. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 239. |
Filter medium filtration is also called ____ |
| A. | Locking |
| B. | Blocking |
| C. | Chapping |
| D. | Chipping |
| Answer» C. Chapping | |
| 240. |
The underflow ratio is defined as ___ |
| A. | D/E |
| B. | B/F |
| C. | E/F |
| D. | D/F |
| Answer» C. E/F | |
| 241. |
Which among the following is not an associative operation?a) Unionb) Concatenationc) Dotd) None of the mentioned 14.Which among the following is equivalent to the given regular expression?01*+1 |
| A. | Unionb) Concatenationc) Dotd) None of the mentioned 14.Which among the following is equivalent to the given regular expression?01*+1a) (01)*+1 |
| B. | Concatenationc) Dotd) None of the mentioned 14.Which among the following is equivalent to the given regular expression?01*+1a) (01)*+1b) 0((1)*+1) |
| C. | Dotd) None of the mentioned 14.Which among the following is equivalent to the given regular expression?01*+1a) (01)*+1b) 0((1)*+1)c) (0(1)*)+1 |
| D. | None of the mentioned 14.Which among the following is equivalent to the given regular expression?01*+1a) (01)*+1b) 0((1)*+1)c) (0(1)*)+1d) ((0*1)1*)*View Answer |
| Answer» E. | |
| 242. |
Dot operator in regular expression resembles which of the following? |
| A. | Expressions are juxtaposed |
| B. | Expressions are multiplied |
| C. | Cross operation |
| D. | None of the mentioned |
| Answer» B. Expressions are multiplied | |
| 243. |
According to the precedence rules, x-y-z is equivalent to which of the following? |
| A. | (x-y)-z |
| B. | x-(y-z) |
| C. | Both (x-y)-z and x-(y-z) |
| D. | None of the mentioned |
| Answer» B. x-(y-z) | |
| 244. |
Which of the following regular expressions represents the set of strings which do not contain a substring ‘rt’ if ∑= {r, t} |
| A. | (rt)* |
| B. | (tr)* |
| C. | (r*t*) |
| D. | (t*r*) |
| Answer» E. | |
| 245. |
(a + b*c) most correctly represents:a) (a +b) *cb) ( |
| A. | (a +b) *cb) (a)+(( |
| B. | *cb) (a)+((b)*.c)c) (a + (b*)).cd) a+ ((b*). |
| C. | most correctly represents:a) (a +b) *cb) (a)+((b)*.c)c) (a + (b*)).c |
| D. | a+ ((b*).c) |
| Answer» E. | |
| 246. |
The finite automata accept the following languages: |
| A. | Context Free Languages |
| B. | Context Sensitive Languages |
| C. | Regular Languages |
| D. | All the mentioned |
| Answer» D. All the mentioned | |
| 247. |
Which of the following represents a language which has no pair of consecutive 1’s if ∑= {0,1}? |
| A. | (0+10)*(1+ε) |
| B. | (0+10)*(1+ε)* |
| C. | (0+101)*(0+ε) |
| D. | (1+010)*(1+ε) |
| Answer» B. (0+10)*(1+ε)* | |
| 248. |
The given NFA represents which of the following NFAa) (ab U |
| A. | (ab U a) *b) (a*b* U a*)c) (ab U a*)d) (a |
| B. | (a*b* U a*) |
| C. | (ab U a*) |
| D. | (ab)* U a* |
| Answer» B. (a*b* U a*) | |
| 249. |
If ∑= {0,1}, then Ф* will result to: |
| A. | ε |
| B. | Ф |
| C. | ∑ |
| D. | None of the mentioned |
| Answer» B. Ф | |
| 250. |
Let for ∑= {0,1} R= (∑∑∑) *, the language of R would be |
| A. | {w | w is a string of odd length} |
| B. | {w | w is a string of length multiple of 3} |
| C. | {w | w is a string of length 3} |
| D. | All of the mentioned |
| Answer» C. {w | w is a string of length 3} | |