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MCQOPTIONS
This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
When the diameter is narrower of the bed, which kind of problem is most likely to occur in the bed? |
| A. | Chanelling |
| B. | Slugging |
| C. | Entrainment |
| D. | None of the mentioned |
| Answer» C. Entrainment | |
| 402. |
What is the Reynolds number range when the drag coefficient formula is 0.43? |
| A. | Rep < 0.4 |
| B. | 0.4 < Rep < 500 |
| C. | 500 < Rep < 200,000 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 403. |
What is the Reynolds number range when the drag coefficient formula is 24/(Rep)? |
| A. | Rep < 0.4 |
| B. | 0.4 < Rep < 500 |
| C. | 500 < Rep < 200,000 |
| D. | None of the mentioned |
| Answer» B. 0.4 < Rep < 500 | |
| 404. |
When system undergoes a process such that ∫dQ/T = 0 and ∆S>0, the process is ______ |
| A. | Irreversible adiabatic |
| B. | Reversible adiabatic |
| C. | Isothermal |
| D. | Isobaric |
| Answer» B. Reversible adiabatic | |
| 405. |
Which of the following statements applicable to a perfect gas will also be true for an irreversible process? |
| A. | dQ = dU + pdV |
| B. | dQ = du – pdV |
| C. | Tds = dU + pdV |
| D. | Tds = du – pdV |
| Answer» D. Tds = du – pdV | |
| 406. |
Availability is also known as __________ |
| A. | Exergy |
| B. | Ronthalpy |
| C. | Enthalpy |
| D. | Entropy |
| Answer» B. Ronthalpy | |
| 407. |
The difference between idealized reversible work and actual work done by the system is called _____ |
| A. | Reversibility |
| B. | Irreversibility |
| C. | Gain in available energy |
| D. | Decrease in unavailable energy |
| Answer» C. Gain in available energy | |
| 408. |
The _________ has to be rejected by any cyclic heat engine is called _________ |
| A. | Maximum energy, unavailable energy |
| B. | Maximum energy, available energy |
| C. | Minimum energy, available energy |
| D. | Minimum energy, unavailable energy |
| Answer» E. | |
| 409. |
What is the part of heat energy which cannot be converted into mechanical work which reduce system in state of equilibrium? |
| A. | Available energy |
| B. | Electrical energy |
| C. | Unavailable energy |
| D. | Hydraulic energy |
| Answer» D. Hydraulic energy | |
| 410. |
The _________ obtainable from a certain heat input in a cyclic heat engine is called _________ |
| A. | Maximum work, unavailable energy |
| B. | Maximum work, available energy |
| C. | Minimum work, available energy |
| D. | Minimum work, unavailable energy |
| Answer» C. Minimum work, available energy | |
| 411. |
What is the part of heat energy which is converted into mechanical work which reduce system in state of equilibrium? |
| A. | Available energy |
| B. | Electrical energy |
| C. | Unavailable energy |
| D. | Hydraulic energy |
| Answer» B. Electrical energy | |
| 412. |
Gibbs function is given by _____ |
| A. | G = H – TS |
| B. | G = pV – TS |
| C. | G = U – pV |
| D. | G = U + pV |
| Answer» B. G = pV – TS | |
| 413. |
What is the lowest temperature at which heat rejection can takes place? |
| A. | 100°C |
| B. | 0K |
| C. | 273K |
| D. | Temperature equal to surrounding |
| Answer» E. | |
| 414. |
Availability function (∅) is given by ______ |
| A. | U-p0V-T0S |
| B. | U+p0V-T0S |
| C. | –U+p0V-T0S |
| D. | p0V-T0S |
| Answer» C. –U+p0V-T0S | |
| 415. |
At what rate does the minimum sink rate occur in a gliding flight? |
| A. | It occurs at minimum power speed |
| B. | It occurs at maximum power speed |
| C. | It occurs at minimum airspeed |
| D. | It occurs at maximum airspeed |
| Answer» B. It occurs at maximum power speed | |
| 416. |
What is the value that maintains maximum rate and minimum power speed of the aircraft? |
| A. | 1/\(\sqrt[4]{3}\) |
| B. | 1/\(\sqrt[3]{3}\) |
| C. | u2/\(\sqrt[4]{3}\) |
| D. | u2/\(\sqrt[3]{3}\) |
| Answer» B. 1/\(\sqrt[3]{3}\) | |
| 417. |
The best climb gradient is attained by flying at airspeeds less than the minimum power speeds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 418. |
What is the relation betweenpower and airspeed for climb gradient? |
| A. | Power increases with increase in airspeed |
| B. | Power decreases with increase in airspeed |
| C. | Power increases with decrease in airspeed |
| D. | Power is unaffected by the airspeed |
| Answer» D. Power is unaffected by the airspeed | |
| 419. |
What is the value of λ in gliding flight flying at minimum drag speed? |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» E. | |
| 420. |
What is the relation between climb rate and power speed?a) Climb rate increases at minimum power dragb) Climb rate decreases at minimum power dragc) Climb rate is independent of minimum power dragd) Climb rate increases at maximum power drag 5.The relative airspeed for maximum gradient of climb is a function of engine power. |
| A. | Climb rate increases at minimum power dragb) Climb rate decreases at minimum power dragc) Climb rate is independent of minimum power dragd) Climb rate increases at maximum power drag 5.The relative airspeed for maximum gradient of climb is a function of engine power.a) True |
| B. | Climb rate decreases at minimum power drag |
| C. | Climb rate is independent of minimum power drag |
| D. | Climb rate increases at maximum power drag 5.The relative airspeed for maximum gradient of climb is a function of engine power.a) Trueb) FalseView Answer |
| Answer» B. Climb rate decreases at minimum power drag | |
| 421. |
The rate of climb is given by _____________ |
| A. | [ηP+DV]\(\frac{1}{W}\)=\(\frac{dH}{dt}\) |
| B. | [ηP-DV]\(\frac{1}{W}\)=\(\frac{dH}{dt}\) |
| C. | [ηP+DV]W=\(\frac{dH}{dt}\) |
| D. | [ηP-DV]W=\(\frac{dH}{dt}\) |
| Answer» C. [ηP+DV]W=\(\frac{dH}{dt}\) | |
| 422. |
The gradient of climb is given by _____________ |
| A. | \(\Big[\frac{\eta P}{V}-W\Big]\frac{1}{D}\)=sinγ2 |
| B. | \(\Big[\frac{\eta P}{V}+D\Big]\frac{1}{W}\)=sinγ2 |
| C. | \(\Big[\frac{\eta P}{V}-D\Big]\frac{1}{W}\)=sinγ2 |
| D. | \(\Big[\frac{\eta P}{V}+W\Big]\frac{1}{D}\)=sinγ2 |
| Answer» D. \(\Big[\frac{\eta P}{V}+W\Big]\frac{1}{D}\)=sinγ2 | |
| 423. |
The propulsive force developed by the engine-propeller combination is given by _______ |
| A. | \(\frac{\eta V}{P}\) |
| B. | \(\frac{\eta P}{V}\) |
| C. | \(\frac{P}{V}\) |
| D. | \(\frac{VP}{\eta}\) |
| Answer» C. \(\frac{P}{V}\) | |
| 424. |
Water Act is a main law in action used for EIA formulated in __________ |
| A. | 1981 |
| B. | 1974 |
| C. | 1975 |
| D. | 1986 |
| Answer» C. 1975 | |
| 425. |
How many types of impact assessments are there? |
| A. | 5 |
| B. | 4 |
| C. | 3 |
| D. | 6 |
| Answer» C. 3 | |
| 426. |
Which of the following ion co-ordinates the oligomerization of three insulin dimers to form a hexamer? |
| A. | Sodium ions |
| B. | Calcium ions |
| C. | Copper ions |
| D. | Zinc ions |
| Answer» E. | |
| 427. |
Which of the following amino acid when inserted in the insulin chain significantly reduces the monomeric interactions? |
| A. | Methionine |
| B. | Valine |
| C. | Glycine |
| D. | Glutamic acid |
| Answer» E. | |
| 428. |
In Engineered slow-acting insulin (Lantus) the asparagine residue 21 of the A chain is replaced by glycine, and this chain is elongated at its C-terminal end by two arginine residues. |
| A. | True |
| B. | False |
| Answer» C. | |
| 429. |
The introduction of amino acid substitutions that will discourage the monomer interaction is to be done inside the insulin receptor binding site. |
| A. | True |
| B. | False |
| Answer» C. | |
| 430. |
Which of the following is the trade name of engineered slow-acting insulin? |
| A. | Novorapid |
| B. | Novolog |
| C. | Novolin |
| D. | Lantus |
| Answer» E. | |
| 431. |
Find the odd one out with respect to engineered fast-acting insulins. |
| A. | Arginine |
| B. | Aspartic acid |
| C. | Histidine |
| D. | Valine |
| Answer» E. | |
| 432. |
Engineered slow-acting insulin is not fully soluble at which of the following pH? |
| A. | pH 5.5 |
| B. | pH 5 |
| C. | pH 4 |
| D. | pH 7 |
| Answer» E. | |
| 433. |
Which of the following amino acid cannot be inserted to minimize the monomer interactions? |
| A. | Glutamate |
| B. | Arginine |
| C. | Lysine |
| D. | Proline |
| Answer» E. | |
| 434. |
Which of the following cells are destroyed in type 1 diabetes? |
| A. | Immune cells |
| B. | Gamma cell |
| C. | Alpha cells |
| D. | Beta cells |
| Answer» E. | |
| 435. |
A combination of fast-acting and slow-acting insulin must usually be administered to diabetics to mimic the natural state. |
| A. | False |
| B. | True |
| Answer» C. | |
| 436. |
At physiological concentrations (10-10 M), insulin molecules exist in oligomeric form. |
| A. | True |
| B. | False |
| Answer» C. | |
| 437. |
Which of the following protein has a structure as depicted in the figure below? |
| A. | Glucagon |
| B. | Hemoglobin |
| C. | Insulin |
| D. | Proinsulin |
| Answer» E. | |
| 438. |
Which of the following consists of a 21 amino acid A-chain linked to a 30 amino acid B chain via two interchain disulfide linkages? |
| A. | Somatostatin |
| B. | Glucagon |
| C. | Hemoglobin |
| D. | Insulin |
| Answer» E. | |
| 439. |
Which of the following is not true for a healthy person? |
| A. | The pancreas secretes insulin continuously |
| B. | Transient increase in insulin secretion |
| C. | Beta cells secrete insulin |
| D. | Insulin is only secreted after a meal |
| Answer» E. | |
| 440. |
Which of the following is the main reason for type 2 diabetes? |
| A. | Insulin overproduction |
| B. | Insulin deficiency |
| C. | Insulin destruction |
| D. | Insulin resistance |
| Answer» E. | |
| 441. |
In case we want to implement a JavaScript fallback, we would need to create a conditional statement using Modernizr. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 442. |
____________ is a resource loader (CSS and JavaScript) that was made to specifically to work side-by-side with Modernizr. |
| A. | HasEvent() |
| B. | Navigator.userAgent |
| C. | Modernizr.load |
| D. | Modernizer.geolocation |
| Answer» D. Modernizer.geolocation | |
| 443. |
___________ is used to test whether geolocation is supported in old browsers. |
| A. | Modernizr |
| B. | Modernizr.geolocation |
| C. | Navigator.userAgent |
| D. | Modernizr.js |
| Answer» D. Modernizr.js | |
| 444. |
Some users have requested tests for IE’s float double margin bug, and support for position:fixed. Which API is suitable for them? |
| A. | mq() media Plugin API |
| B. | addTest() Plugin API |
| C. | testAllProps() Plugin API |
| D. | none of the mentioned |
| Answer» C. testAllProps() Plugin API | |
| 445. |
Which property is used to detect the browser’s user agent and code based on the pertinent cases? |
| A. | navigator.userAgent |
| B. | navigator.user |
| C. | navigator |
| D. | return |
| Answer» B. navigator.user | |
| 446. |
Which one of the following is an open source JavaScript library that enables styling for HTML5 elements in versions of Internet Explorer before IE 9 ? |
| A. | HTML5 |
| B. | HTML5 Shiv |
| C. | HTML5 Shim |
| D. | HTML5 Sham |
| Answer» C. HTML5 Shim | |
| 447. |
If the loss tangent of a rectangular waveguide is 0.0004, then Q due to dielectric loss is: |
| A. | 1250 |
| B. | 2450 |
| C. | 2500 |
| D. | 1800 |
| Answer» D. 1800 | |
| 448. |
The required length of the cavity resonator for l=1 mode (m=1, n=0) given that the wave number of the cavity resonator is 157.01 and the broader dimension of the waveguide is 4.755 cm: |
| A. | 1.10 cm |
| B. | 2.20 cm |
| C. | 2.8 cm |
| D. | 1.8 cm |
| Answer» C. 2.8 cm | |
| 449. |
Find the wave number of a rectangular cavity resonator filled with a dielectric of 2.25 and designed to operate at a frequency of 5 GHz. |
| A. | 157.08 |
| B. | 145.2 |
| C. | 345.1 |
| D. | 415.08 |
| Answer» B. 145.2 | |
| 450. |
Microwave resonators can be constructed from open sections of waveguide. |
| A. | True |
| B. | False |
| Answer» C. | |