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.
| 401. |
Which of the following is not a modern method of differentiation? |
| A. | RFLP |
| B. | Plate tests |
| C. | Karyotyping |
| D. | PCR |
| Answer» C. Karyotyping | |
| 402. |
High concentrations of oxidant result in isotropic etching. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 403. |
The etching rate is determined by the HF concentration when the ratio acid/oxidant is lower than _____ |
| A. | 50% |
| B. | 60% |
| C. | 68% |
| D. | 70% |
| Answer» E. | |
| 404. |
At high concentrations of HF, the etching rate is determined by _____ |
| A. | oxidant |
| B. | oxidant concentration |
| C. | temperature of the oxidant |
| D. | material to be etched |
| Answer» C. temperature of the oxidant | |
| 405. |
In metal-assisted etching of porous silicon, the oxidant is reduced at the noble metal surface. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 406. |
The expansion of f(x, y) = ex ln(1 + y), is |
| A. | f(x,y) = y + xy – y2⁄2 +……. |
| B. | f(x,y) = y – xy + y2⁄2 -……. |
| C. | f(x,y) = y + x – y2⁄2 +…….. |
| D. | f(x,y) = x + y – x2⁄2 +…….. |
| Answer» B. f(x,y) = y – xy + y2⁄2 -……. | |
| 407. |
The expansion of f(x, y)=ex Sin(y), is |
| A. | x + xy + …. |
| B. | y + y2 x + …. |
| C. | x + x2 y + …. |
| D. | y + xy + …….. |
| Answer» E. | |
| 408. |
The expansion of f(x,y), is |
| A. | f(0,0)+\([x \frac{∂f}{∂x}+y \frac{∂f}{∂y}]+\frac{1}{2!} [x^2 \frac{∂^2 f}{∂x^2}-2xy \frac{∂^2 f}{∂x∂y}+y^2 \frac{∂^2 f}{∂y^2}]+….\) |
| B. | f(0,0)+\([x \frac{∂f}{∂x}+y \frac{∂f}{∂y}]+\frac{1}{2!} [x^2 \frac{∂^2 f}{∂x^2}+2xy \frac{∂^2 f}{∂x∂y}+y^2 \frac{∂^2 f}{∂y^2}]+…\) |
| C. | f(0,0)+\([x \frac{∂f}{∂x}+y \frac{∂f}{∂y}]+\frac{1}{2!} [x^2 \frac{∂^2 f}{∂x^2}-2xy \frac{∂^2 f}{∂x∂y}-y^2 \frac{∂^2 f}{∂y^2}]+…\) |
| D. | f(0,0)-\([x \frac{∂f}{∂x}+y \frac{∂f}{∂y}]+\frac{1}{2!} [x^2 \frac{∂^2 f}{∂x^2}+2xy \frac{∂^2 f}{∂x∂y}+y^2 \frac{∂^2 f}{∂y^2}]-…\) |
| Answer» C. f(0,0)+\([x \frac{∂f}{∂x}+y \frac{∂f}{∂y}]+\frac{1}{2!} [x^2 \frac{∂^2 f}{∂x^2}-2xy \frac{∂^2 f}{∂x∂y}-y^2 \frac{∂^2 f}{∂y^2}]+…\) | |
| 409. |
Find the value of ln(sin(31o)) if ln(2) = 0.69315 |
| A. | -0.653 |
| B. | -0.663 |
| C. | -0.764 |
| D. | -0.662 |
| Answer» C. -0.764 | |
| 410. |
Find the value of eπ⁄4√2 |
| A. | 1.74 |
| B. | 1.84 |
| C. | 1.94 |
| D. | 1.64 |
| Answer» B. 1.84 | |
| 411. |
Find the expansion of f(x) = ex ⁄1+ex, given ∫f(x)dx = ln(2), for x = 0 |
| A. | \(\frac{1}{2}-\frac{x}{4}-\frac{x^3}{48}-…\) |
| B. | \(\frac{1}{2}+\frac{x}{4}-\frac{x^3}{48}+….\) |
| C. | \(\frac{1}{2}+\frac{x}{4}+\frac{x^3}{48}+….\) |
| D. | \(\frac{1}{2}+\frac{x}{4}-\frac{x^3}{48}+….\) |
| Answer» C. \(\frac{1}{2}+\frac{x}{4}+\frac{x^3}{48}+….\) | |
| 412. |
Expand f(x) = 1⁄x about x = 1. |
| A. | 1 – (x-1) + (x-1)2 – (x-1)3 + …. |
| B. | 1 + (x-1) + (x-1)2 + (x-1)3 + …. |
| C. | 1 + (x-1) – (x-1)2 + (x-1)3 + …. |
| D. | 1 – (x+1) + (x+1)2 – (x+1)3 + …. |
| Answer» B. 1 + (x-1) + (x-1)2 + (x-1)3 + …. | |
| 413. |
Find the value of √10 |
| A. | 3.1633 |
| B. | 3.1623 |
| C. | 3.1632 |
| D. | 3.1645 |
| Answer» C. 3.1632 | |
| 414. |
Expand ln(x) in the power of (x-m). |
| A. | ln(m)+\(\frac{h}{m}-\frac{1}{2!} (h/m)^2+\frac{2}{3!} (h/m)^3-……\) |
| B. | ln(m)-\(\frac{h}{m}-\frac{1}{2!} (h/m)^2-\frac{2}{3!} (h/m)^3-……\) |
| C. | ln(m)-\(\frac{1}{2!} (h/m)^2+\frac{2}{3!} (h/m)^4-……\) |
| D. | ln(m)+\(\frac{h}{m}+\frac{2}{3!} (h/m)^3-……\) |
| Answer» B. ln(m)-\(\frac{h}{m}-\frac{1}{2!} (h/m)^2-\frac{2}{3!} (h/m)^3-……\) | |
| 415. |
Find the expansion of ex in terms of x + m, m > 0. |
| A. | \(e^m [1+(x+m)+\frac{(x+m)^2}{2!}+\frac{(x+m)^3}{3!}+….]\) |
| B. | \(e^{-m} [1+(x-m)+\frac{(x-m)^2}{2!}+\frac{(x-m)^3}{3!}+….]\) |
| C. | \(e^m [1+(x-m)+\frac{(x-m)^2}{2!}+\frac{(x-m)^3}{3!}+….]\) |
| D. | \(e^{-m} [1+(x+m)+\frac{(x+m)^2}{2!}+\frac{(x+m)^3}{3!}+….]\) |
| Answer» E. | |
| 416. |
The expansion of f(x), about x = a isa) \(f(a)+\frac{h}{1!} f’ (a)+\frac{h^2}{2!} f” (a)….+\frac{h^n}{n!} f^n (a)\) b) \(f(a)+\frac{h}{1!} f’ (a)+\frac{h^2}{2!} f” (a)….\) c) \(hf(a)+\frac{h^2}{1!} f’ (a)+\frac{h^3}{2!} f” (a)…+\frac{h^n}{n!} f^n (a)\) d) \(hf(a)+\frac{h^2}{1!} f’ (a)+\frac{h^3}{2!} f” ( |
| A. | \(f(a)+\frac{h}{1!} f’ (a)+\frac{h^2}{2!} f” (a)….+\frac{h^n}{n!} f^n (a)\) |
| B. | \(f(a)+\frac{h}{1!} f’ (a)+\frac{h^2}{2!} f” (a)….\) |
| C. | \(hf(a)+\frac{h^2}{1!} f’ (a)+\frac{h^3}{2!} f” (a)…+\frac{h^n}{n!} f^n (a)\) |
| D. | \(hf(a)+\frac{h^2}{1!} f’ (a)+\frac{h^3}{2!} f” (a)…..\) |
| Answer» B. \(f(a)+\frac{h}{1!} f’ (a)+\frac{h^2}{2!} f” (a)….\) | |
| 417. |
Which of the following uses ultrasound to check the blood flow? |
| A. | Doppler Shift Method |
| B. | Catheter Tip Method |
| C. | Differential Auscultatory Technique |
| D. | Oscillometric Method |
| Answer» B. Catheter Tip Method | |
| 418. |
Which type of transducer is commonly used for invasive blood pressure measurement? |
| A. | Capacitive |
| B. | Rheostatic |
| C. | Piezoelectric |
| D. | Potentiometric |
| Answer» D. Potentiometric | |
| 419. |
Which of the following devices/ methods do not use a cuff? |
| A. | Rheographic Method |
| B. | Automatic Blood Pressure Measuring using Korotkoff method |
| C. | Oscillometric Measurement Method |
| D. | Continuous Slow Flow Flushing Method |
| Answer» E. | |
| 420. |
For infants, the pulse oximetry band is attached to their ______ |
| A. | arm |
| B. | leg |
| C. | palm |
| D. | foot |
| Answer» E. | |
| 421. |
The regular BP cuff is a non – invasive method of measuring blood pressure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 422. |
Blood pressure measurement can be classified in _____ major way(s). |
| A. | 2 |
| B. | 5 |
| C. | 7 |
| D. | 10d |
| Answer» B. 5 | |
| 423. |
In linguistic morphology _____________ is the process for reducing inflected words to their root form. |
| A. | Rooting |
| B. | Stemming |
| C. | Text-Proofing |
| D. | Both Rooting & Stemming |
| Answer» C. Text-Proofing | |
| 424. |
Speech Segmentation is a subtask of Speech Recognition. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 425. |
Many words have more than one meaning; we have to select the meaning which makes the most sense in context. This can be resolved by ____________ |
| A. | Fuzzy Logic |
| B. | Word Sense Disambiguation |
| C. | Shallow Semantic Analysis |
| D. | All of the mentioned |
| Answer» C. Shallow Semantic Analysis | |
| 426. |
Parts-of-Speech tagging determines ___________ |
| A. | part-of-speech for each word dynamically as per meaning of the sentence |
| B. | part-of-speech for each word dynamically as per sentence structure |
| C. | all part-of-speech for a specific word given as input |
| D. | all of the mentioned |
| Answer» E. | |
| 427. |
Given a stream of text, Named Entity Recognition determines which pronoun maps to which noun. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 428. |
The current i amperes at any time t is given by \(L \frac{di}{dt} + Ri = E\), when a resistance R ohms is connected in series with an inductance L henries and E.M.F of E volts. If E=10 sin(t) volts and i=0 when t=0,which among the following is the correct expression for i(t) at any time t? |
| A. | \(\frac{10}{R^2+L^2} (R cost – L sint + Le^{\frac{Rt}{L}})\) |
| B. | \(\frac{10}{R^2+L^2} (R sint + L cost – Le^{\frac{Rt}{L}})\) |
| C. | \(\frac{10}{R^2+L^2} (R sint – L cost + Le^{\frac{-Rt}{L}})\) |
| D. | \(\frac{10}{R^2+L^2} (L cost – R sint + Le^{\frac{-Rt}{L}})\) |
| Answer» D. \(\frac{10}{R^2+L^2} (L cost – R sint + Le^{\frac{-Rt}{L}})\) | |
| 429. |
A voltage Ee-at is applied at t=0 to a circuit containing inductance L and resistance R. Determine the current at any time t. |
| A. | \(\frac{Ee^{-at}}{L-Ra} \left(e^{\frac{-Rt}{L}}\right)\) |
| B. | \(\frac{E}{R-La} \left(e^{-at}-e^{\frac{-Rt}{L}}\right)\) |
| C. | \(\frac{E}{La} \left(e^{-at}+e^{\frac{Rt}{L}}\right)\) |
| D. | \(\frac{Ee^{-at}}{R} \left(1-e^{\frac{-Rt}{L}}\right)\) |
| Answer» C. \(\frac{E}{La} \left(e^{-at}+e^{\frac{Rt}{L}}\right)\) | |
| 430. |
A constant electromotive force E volts is applied to a circuit containing a constant resistance R ohm in series with a constant inductance L henries. If the initial current is zero. What is the current in the circuit at any time t? |
| A. | \(\frac{E}{R} \left(1-e^{\frac{-Rt}{L}}\right)\) |
| B. | \(\frac{E}{R} \left(e^{\frac{Rt}{L}}\right)\) |
| C. | \(\frac{E}{L} (1-e^{RLt})\) |
| D. | \(\frac{E}{L} (e^{-RLt})\) |
| Answer» B. \(\frac{E}{R} \left(e^{\frac{Rt}{L}}\right)\) | |
| 431. |
What is true about time slicing? |
| A. | Time slicing is OS service that allocates CPU time to available runnable thread |
| B. | Time slicing is the process to divide the available CPU time to available runnable thread |
| C. | Time slicing depends on its implementation in OS |
| D. | Time slicing allocates more resources to thread |
| Answer» C. Time slicing depends on its implementation in OS | |
| 432. |
Headway method is most suited on which terrain? |
| A. | level terrain |
| B. | mountainous region |
| C. | hilly terrain |
| D. | desert |
| Answer» B. mountainous region | |
| 433. |
Which of the following methods to determine PCU can only be applied in India? |
| A. | Multiple linear regression method |
| B. | Chandra’s method |
| C. | Headway method |
| D. | Modified Density Method |
| Answer» C. Headway method | |
| 434. |
How many factors does Chandra’s method to determine PCU depends on? |
| A. | 1 |
| B. | 3 |
| C. | 2 |
| D. | 5 |
| Answer» D. 5 | |
| 435. |
Which method represents the speed of a traffic stream as a function of the number of variables? |
| A. | Modified Density Method |
| B. | Multiple linear regression method |
| C. | Headway method |
| D. | Chandra’s method |
| Answer» C. Headway method | |
| 436. |
Which of the following method is used to determine PCU? |
| A. | Multiple linear regression method |
| B. | Average speed method |
| C. | Spot speed method |
| D. | Elevated observation method |
| Answer» B. Average speed method | |
| 437. |
Passenger Car Unit is an estimate of the impact that a mode of transport has on ______ |
| A. | traffic system |
| B. | traffic variables |
| C. | traffic signals |
| D. | design |
| Answer» C. traffic signals | |
| 438. |
PCU value is the fraction of capacity of a road where there are passenger cars only to the ______ |
| A. | capacity of the same road when there are vehicles of that class |
| B. | capacity of a different road when there are vehicles of that class |
| C. | capacity of the same road when there are vehicles of a different class |
| D. | capacity of the different road when there are vehicles of a different class |
| Answer» B. capacity of a different road when there are vehicles of that class | |
| 439. |
Which of the following is not a factor affecting PCU? |
| A. | Vehicles characteristic |
| B. | Traffic stream characteristic |
| C. | Roadway characteristic |
| D. | Design characteristic |
| Answer» E. | |
| 440. |
What is the unit of highway capacity? |
| A. | Veh/hr |
| B. | PCU/hr |
| C. | Veh/hr/section of road |
| D. | PCU/section of road |
| Answer» C. Veh/hr/section of road | |
| 441. |
What is the Passenger Car Unit (PCU) value of a motorcycle? |
| A. | 1 |
| B. | 0.5 |
| C. | 0.2 |
| D. | 0.3 |
| Answer» C. 0.2 | |
| 442. |
What is Passenger Car Unit used for? |
| A. | to evaluate the traffic-flow rate on a highway |
| B. | to record the number of passengers in each car |
| C. | to record the number of passengers in each section of road |
| D. | to evaluate the density of passengers |
| Answer» B. to record the number of passengers in each car | |
| 443. |
Which of the following is used only to determine airspeed? |
| A. | Static pressure |
| B. | Pitot pressure |
| C. | Cockpit pressure |
| D. | Cabin pressure |
| Answer» C. Cockpit pressure | |
| 444. |
An angle of attack indicator provides stall situational awareness. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 445. |
The Lift Reserve Indicator provides a measure of the amount of __________ being generated, by an aircraft. |
| A. | Lift |
| B. | Thrust |
| C. | True speed |
| D. | Mach speed |
| Answer» B. Thrust | |
| 446. |
Which of the following determines when an aircraft will stall? |
| A. | Angle of pitch |
| B. | Angle of incidence |
| C. | Angle of bank |
| D. | Angle of attack |
| Answer» E. | |
| 447. |
If the pitot opening is blocked, but the drain hole is open, it will cause the system pressure to drop to __________ |
| A. | Critical pressure |
| B. | Low pressure |
| C. | Ambient pressure |
| D. | Atmospheric pressure |
| Answer» D. Atmospheric pressure | |
| 448. |
What will the ASI pointer read, if both the Pitot tube and the static system are blocked? |
| A. | Zero |
| B. | Positive Infinite |
| C. | No reading |
| D. | Negative Infinite |
| Answer» B. Positive Infinite | |
| 449. |
Static pressure is measured from the __________ |
| A. | Static port |
| B. | Static scale |
| C. | Pitot scale |
| D. | Pitot tube |
| Answer» B. Static scale | |
| 450. |
What is the full form of CAS? |
| A. | Constant airspeed |
| B. | Continuous airspeed |
| C. | Calibrated airspeed |
| D. | Comparative airspeed |
| Answer» D. Comparative airspeed | |