MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 401. |
Full form of PIV. |
| A. | Peak inverse voltage |
| B. | Peak insert voltage |
| C. | Paas Inverse volatile |
| D. | Peak insert volatile |
| Answer» B. Peak insert voltage | |
| 402. |
In single phase RLE load, calculate the angle at which conduction starts using the data: (Vs)=14sin(Ωt), f=50 Hz, E=10 V. |
| A. | 45.58° |
| B. | 46.26° |
| C. | 47.26° |
| D. | 49.56° |
| Answer» B. 46.26° | |
| 403. |
In single phase RLE load, calculate the voltage across the thyristor when current decays to zero using the data: (Vs)r.m.s=340 V, f=50 Hz, R=2 Ω, E=150 V, β=160°. |
| A. | 45.89 V |
| B. | 74.45 V |
| C. | 54.85 V |
| D. | 84.48 V |
| Answer» C. 54.85 V | |
| 404. |
Displacement factor depends upon the shape of the waveform. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 405. |
Calculate the value of the Input power factor using the data: Fundamental displacement factor=.96, Distortion factor=.97. |
| A. | 0.93 |
| B. | .84 |
| C. | .48 |
| D. | .89 |
| Answer» B. .84 | |
| 406. |
For highly inductive load current remains continuous. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 407. |
Calculate the value of the fundamental displacement factor for 1-φ Full wave semi-converter if the firing angle value is 0o. |
| A. | 1 |
| B. | .8 |
| C. | .4 |
| D. | .2 |
| Answer» B. .8 | |
| 408. |
Calculate the I0 r.m.s for Single-phase Half Wave rectifier for R-L load (Highly inductive) using the data: Vm=110 V, ∝=16°, β=31°, R=1 Ω. |
| A. | 4.56 A |
| B. | 1.82 A |
| C. | 4.81 A |
| D. | 9.15 A |
| E. | using the data: Vm=110 V, ∝=16°, β=31°, R=1 Ω.a) 4.56 Ab) 1.82 Ac) 4.81 Ad) 9.15 A |
| Answer» C. 4.81 A | |
| 409. |
Calculate the I0 avg for Single-phase Half Wave rectifier for R-L load using the data: Vm=56 V, ∝=15°, β=30°, R=2 Ω. |
| A. | .56 A |
| B. | .44 A |
| C. | .26 A |
| D. | .89 A |
| Answer» B. .44 A | |
| 410. |
Calculate the V0 avg for Single-phase Half Wave rectifier for R-L load using the data: Vm=24 V, ∝=30°, β=60°. |
| A. | 1.39 V |
| B. | 8.45 V |
| C. | 4.55 V |
| D. | 1.48 V |
| Answer» B. 8.45 V | |
| 411. |
Calculate the value of the conduction angle for R-L load if the value of β and α are 19° and 29°. |
| A. | 10° |
| B. | 70° |
| C. | 30° |
| D. | 80° |
| Answer» B. 70° | |
| 412. |
In the S matrix of a transistor, if the parameter S21 is 2.6 then the gain G0 of the transistor has the value |
| A. | 6.2 dB |
| B. | 8.3 dB |
| C. | 2.22 dB |
| D. | None of the mentioned |
| Answer» C. 2.22 dB | |
| 413. |
In terms of S parameters for a transistor, the transducer gain is given by the relation: |
| A. | │S21│/│S12│ |
| B. | │S12│/│S21│ |
| C. | │S22│/│S11│ |
| D. | │S11│/│S22│ |
| Answer» B. │S12│/│S21│ | |
| 414. |
Maximum transducer gain for an amplifier is the same as the maximum gain for an amplifier. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 415. |
The input and output ports of an amplifier are always matched to the impedance Z0 . |
| A. | True |
| B. | False |
| Answer» B. False | |
| 416. |
The overall gain of a transistor is always a fixed value and cannot be changed as per design requirements. |
| A. | True |
| B. | False |
| Answer» C. | |
| 417. |
The term Lj/VjKij is called |
| A. | Stripping factor |
| B. | Absorption Factor |
| C. | Reflux Ratio |
| D. | Boil up |
| Answer» C. Reflux Ratio | |
| 418. |
The term KijVj/Lj is called |
| A. | Stripping factor |
| B. | Absorption Factor |
| C. | Reflux Ratio |
| D. | Boil up |
| Answer» B. Absorption Factor | |
| 419. |
Rigorous methods are only applied to |
| A. | Small columns |
| B. | Large columns |
| C. | Dual columns |
| D. | Triple columns |
| Answer» B. Large columns | |
| 420. |
Which among the following is the closure property of a regular language? |
| A. | Emptiness |
| B. | Universality |
| C. | Membership |
| D. | None of the mentioned |
| Answer» E. | |
| 421. |
If L is a regular language, then (((L’)r)’)* is: |
| A. | regular |
| B. | non regular |
| C. | may be regular |
| D. | none of the mentioned |
| Answer» B. non regular | |
| 422. |
If L is a regular language, then (L’)’ U L will be : |
| A. | L |
| B. | L’ |
| C. | f |
| D. | none of the mentioned |
| Answer» B. L’ | |
| 423. |
Suppose a language L1 has 2 states and L2 has 2 states. After using the cross product construction method, we have a machine M that accepts L1 ∩ L2. The total number of states in M: |
| A. | 6 |
| B. | 4 |
| C. | 2 |
| D. | 8 |
| Answer» E. | |
| 424. |
If A and B are regular languages, !(A’ U B’) is: |
| A. | regular |
| B. | non regular |
| C. | may be regular |
| D. | none of the mentioned |
| Answer» B. non regular | |
| 425. |
If L1 and L2′ are regular languages, L1 ∩ (L2′ U L1′)’ will be |
| A. | regular |
| B. | non regular |
| C. | may be regular |
| D. | none of the mentioned |
| Answer» B. non regular | |
| 426. |
If L1′ and L2′ are regular languages, then L1.L2 will be |
| A. | regular |
| B. | non regular |
| C. | may be regular |
| D. | none of the mentioned |
| Answer» B. non regular | |
| 427. |
If L1, L2 are regular and op(L1, L2) is also regular, then L1 and L2 are said to be ____________ under an operation op. |
| A. | open |
| B. | closed |
| C. | decidable |
| D. | none of the mentioned |
| Answer» C. decidable | |
| 428. |
State true or false: Multiple equivalence rules can be used one after the other on a query |
| A. | True |
| B. | False |
| Answer» B. False | |
| 429. |
Which of the following set operations does the selection operation distribute over? |
| A. | Union |
| B. | Intersection |
| C. | Difference |
| D. | All of the mentioned |
| Answer» E. | |
| 430. |
Which of the following operations is associative |
| A. | Set union |
| B. | Set intersection |
| C. | Set difference |
| D. | Theta join |
| Answer» E. | |
| 431. |
If on every legal database instant, the two expressions generate the same set of tuples, the expressions are called as |
| A. | Equal |
| B. | Equivalent |
| C. | Similar |
| D. | Identical |
| Answer» C. Similar | |
| 432. |
The process of examining stained chromosomes in a light microscope and removing appropriate regions with a micro-manipulator is called as ___________ |
| A. | microdissection |
| B. | chromosome sorting |
| C. | chromosome walking |
| D. | chromosome jumping |
| Answer» B. chromosome sorting | |
| 433. |
For cloning purposes, the intact chromosomes should be separated by ___________ |
| A. | agarose gel electrophoresis |
| B. | fluorescence- activated sorter |
| C. | polyacrylamide gel electrophoresis |
| D. | chromatography |
| Answer» C. polyacrylamide gel electrophoresis | |
| 434. |
Sometimes a gene which we want to clone is present on a particular chromosome. For this purpose, the chromosome should be in which phase? |
| A. | Prophase |
| B. | Telophase |
| C. | Metaphase |
| D. | Anaphase |
| Answer» D. Anaphase | |
| 435. |
If physical methods are used, tracer is amplified and is labelled with biotin. |
| A. | True |
| B. | False |
| Answer» C. | |
| 436. |
The nucleic acid from the cell type that contains the sequence we are interested in is called ___________ |
| A. | driver |
| B. | subtractive sequence |
| C. | tracer |
| D. | wanted sequence |
| Answer» D. wanted sequence | |
| 437. |
Libraries in which a particular sequence is present in one organism but are absent from another organism, are called as ___________ |
| A. | normalized libraries |
| B. | subtractive libraries |
| C. | selective libraries |
| D. | partial libraries |
| Answer» C. selective libraries | |
| 438. |
Sometimes the required mRNA is present in less number. So the process of increasing the representation of rare mRNAs is called as ____________ |
| A. | amplification |
| B. | normalization |
| C. | selection |
| D. | narrowing |
| Answer» C. selection | |
| 439. |
\(\lim_{x\rightarrow 0}\frac{ax^3+b sin(x)+c cos(x)}{x^5}=1\), then find the value of a, b and c. |
| A. | 1.37, -4.13, 4.13 |
| B. | 1.37, 4.13, -4.13 |
| C. | -1.37, 4.13, 4.13 |
| D. | 1.37, 4.13, 4.13 |
| Answer» C. -1.37, 4.13, 4.13 | |
| 440. |
If \(\lim_{x\rightarrow 0}\frac{(x(1+acos(x))-bsin(x))}{x^3}=1\), then find the value of a and b. |
| A. | 2.5, -1.5 |
| B. | -2.5, -1.5 |
| C. | -2.5, 1.5 |
| D. | 2.5, 1.5 |
| Answer» C. -2.5, 1.5 | |
| 441. |
Value of \(\frac{dSin(x)Cos(x)}{dx}\) is |
| A. | Cos(2x) |
| B. | Sin(2x) |
| C. | Cos2(2x) |
| D. | Sin2(2x) |
| Answer» B. Sin(2x) | |
| 442. |
Find domain of n for which limx → 0enxCot(nx), has non zero value. |
| A. | n ∈ (0,∞) ∩ (1,5) |
| B. | n ∈ (-∞,∞) ∩ (1,5) |
| C. | n ∈ (-∞,∞) |
| D. | n ∈ (-∞,∞) ~ 5 |
| Answer» D. n ∈ (-∞,∞) ~ 5 | |
| 443. |
Evaluate limx → 1[(-xx + 1) / (xlog(x))]. |
| A. | ee |
| B. | e |
| C. | -1 |
| D. | e2 |
| Answer» D. e2 | |
| 444. |
Evaluate limx → 0(1+Tan(x))Cot(x) |
| A. | 1 |
| B. | e |
| C. | ln(2) |
| D. | e2 |
| Answer» C. ln(2) | |
| 445. |
The value of \(\lim_{x\rightarrow 1}[x]cos(\frac{\pi(1-x)}{2})e^{1/(1-x)}\), [x] denotes the greatest integer function. |
| A. | 0 |
| B. | 1 |
| C. | ∞ |
| D. | -∞ |
| Answer» B. 1 | |
| 446. |
Value of limx → 0[(1+xex)/(1 – Cos(x))]. |
| A. | e |
| B. | 1 |
| C. | 2 |
| D. | Can not be solved |
| Answer» D. Can not be solved | |
| 447. |
The value of limx → 0 [x]Cos(x), [x] denotes the greatest integer function _______ |
| A. | lies between 0 and 1 |
| B. | lies between -1 and 0 |
| C. | lies between 0 and 2 |
| D. | lies between -2 and 0 |
| Answer» C. lies between 0 and 2 | |
| 448. |
Which of the following is a necessary Conditions of Sandwich rule? |
| A. | All function must have common domain |
| B. | All function must have common range |
| C. | All function must have common domain and range both |
| D. | Function must not have common domain and range |
| Answer» B. All function must have common range | |
| 449. |
Value of limit always be in the range of function. |
| A. | True |
| B. | False |
| Answer» C. | |
| 450. |
limx → 1 (x-1)Tan(πx⁄2) is? |
| A. | 0 |
| B. | –1⁄π |
| C. | –2⁄π |
| D. | 2⁄π |
| Answer» D. 2⁄π | |