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.
| 351. |
Which of the following portion(s) of the given diagram has a freezing section? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 352. |
Which of the following portion(s) of given diagrams contains only pure substances? |
| A. | 1, 3, 5 |
| B. | 1, 5 |
| C. | only 1 |
| D. | 3, 5 |
| Answer» B. 1, 5 | |
| 353. |
Which of the following portion(s) of the given diagram contains liquid in it? |
| A. | 2, 3 |
| B. | 2, 4 |
| C. | 3, 4 |
| D. | 2, 3, 4 |
| Answer» E. | |
| 354. |
Which of the following portion(s) of the given diagram contains only gas? |
| A. | 1 |
| B. | 4 |
| C. | 5 |
| D. | 4, 5 |
| Answer» D. 4, 5 | |
| 355. |
Analyze the following graph and the following question regarding solubility of sugar in water. |
| A. | Decrease with increase in temperature |
| B. | Increase with increase in temperature |
| C. | Increase with decrease in temperature |
| D. | Remains constant with increase or decrease in temperature |
| Answer» C. Increase with decrease in temperature | |
| 356. |
Which of the following is/are the components of a brass alloy? |
| A. | Brass, Copper, Zinc |
| B. | Copper only |
| C. | Zinc only |
| D. | Both Copper and Zinc |
| Answer» E. | |
| 357. |
Is lift is produced by the changing direction of the flow? |
| A. | False |
| B. | True |
| Answer» C. | |
| 358. |
Is lift and drag are the total aerodynamic force acting the body? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 359. |
Is Newton’s third law of motion is an application for lift on airfoil? |
| A. | False |
| B. | True |
| Answer» C. | |
| 360. |
Is down wash is change in direction of lift? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 361. |
Which of the following alloys exhibits intergranular corrosion by steam and marine atmospheres? |
| A. | Die-cast zinc alloy |
| B. | Duralumin alloy (Al-Cu) |
| C. | Both die-cast zinc alloy and duralumin alloy |
| D. | Neither die-cast zinc alloy nor duralumin alloy |
| Answer» B. Duralumin alloy (Al-Cu) | |
| 362. |
Which of the following is the best remedy for the Knife-Line attack? |
| A. | Heating the welded stabilized steel in the range of 950°F to 1400°F |
| B. | Heating the welded stabilized steel in the range of 1400°F to 1900°F |
| C. | Heating the welded stabilized steel to 1950°F |
| D. | Heating the welded stabilized steel in the range of 1950°F to 2500°F |
| Answer» D. Heating the welded stabilized steel in the range of 1950°F to 2500°F | |
| 363. |
Which of the following is/are the characteristics of the Knife-line attack? |
| A. | KLA occurs immediately adjacent to the weld |
| B. | KLA occurs in the stabilized steels only |
| C. | KLA occurs in the non-stabilized steels only |
| D. | KLA occurs in the stabilized steels and it occurs immediately adjacent to the weld |
| Answer» E. | |
| 364. |
What is the abbreviation of KLA regarding intergranular corrosion? |
| A. | Knife-Line Attack |
| B. | Knight-Line Attack |
| C. | Knife-Life Action |
| D. | Knight-Life Action |
| Answer» B. Knight-Line Attack | |
| 365. |
The intergranular attack is evident in the resin shell casting but not on the ceramic mold casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 366. |
Carbon pickup during the production of austenitic stainless steels has caused premature failures of intergranular corrosion. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 367. |
Which of the following region is indicated as BC in the given figure? |
| A. | Weld bead |
| B. | Heat affected zone |
| C. | Weld decay |
| D. | Neither weld decay nor bead |
| Answer» D. Neither weld decay nor bead | |
| 368. |
Which of the following is/are the stabilizing elements to minimize intergranular corrosion of stainless steel? |
| A. | Niobium |
| B. | Columbium |
| C. | Titanium |
| D. | Niobium, columbium, and titanium |
| Answer» E. | |
| 369. |
Which of the following temperature range is required for commercial solution-quenching treatment? |
| A. | 200°F-500°F |
| B. | 800°F-1200°F |
| C. | 1300°F-1700°F |
| D. | 1950°F-2050°F |
| Answer» E. | |
| 370. |
Which of the following is/are the methods to control intergranular corrosion of austenitic stainless steel? |
| A. | Employing solution-quenching |
| B. | Adding stabilizers |
| C. | Lowering the carbon content to below 0.03% |
| D. | Employing solution-quenching, adding stabilizers and lowering the carbon content to below 0.03% |
| Answer» E. | |
| 371. |
DC Shunt Motor has a disadvantage __________ |
| A. | Constant speed |
| B. | Less expensive |
| C. | Not suitable for rapidly changing loads |
| D. | Cannot be determined |
| Answer» D. Cannot be determined | |
| 372. |
As the load is increased the speed of DC shunt motor will ___________ |
| A. | Reduce slightly |
| B. | Increase slightly |
| C. | Increase proportionately |
| D. | Reduce rapidly |
| Answer» B. Increase slightly | |
| 373. |
Strut is a tension member. |
| A. | True |
| B. | False |
| Answer» C. | |
| 374. |
Expand RVF _________ |
| A. | Rapid Vary Fluid |
| B. | Rise in Virtual Flow |
| C. | Rapidly Varied flow |
| D. | Rapidly Viscous flow |
| Answer» D. Rapidly Viscous flow | |
| 375. |
Rectangular channel is _________ channel. |
| A. | non Prismatic |
| B. | Prismatic |
| C. | Natural |
| D. | Artificial |
| Answer» C. Natural | |
| 376. |
Aqueduct is an example of __________ channel. |
| A. | Natural |
| B. | Prismatic |
| C. | Non prismatic |
| D. | Artificial |
| Answer» E. | |
| 377. |
The energy gradient line is _______ to drop in bed, in an open channel. |
| A. | Equal |
| B. | Parallel |
| C. | Perpendicular |
| D. | Unequal |
| Answer» B. Parallel | |
| 378. |
In _______ liquid flows under atmospheric pressure. |
| A. | Pipe flow |
| B. | Open channel |
| C. | Stream |
| D. | Aqueduct |
| Answer» C. Stream | |
| 379. |
Calculate the specific weight of oil. If the specific gravity is 0.95. Take specific weight of water is 1000 kg/m3. |
| A. | 750 kg/m3 |
| B. | 850 kg/m3 |
| C. | 950 kg/m3 |
| D. | 1250 kg/m3 |
| Answer» D. 1250 kg/m3 | |
| 380. |
The Velocity at which flow changes from viscous to turbulent is called __________ velocity. |
| A. | Critical |
| B. | Frictional |
| C. | Relative |
| D. | Nominal |
| Answer» B. Frictional | |
| 381. |
Which of the following measurement is relative to font-size of the root element? |
| A. | rem |
| B. | kd |
| C. | rr |
| D. | hx |
| Answer» B. kd | |
| 382. |
Which of the following measurement is relative to 1% of the height of the viewport? |
| A. | ch |
| B. | rem |
| C. | % |
| D. | vh |
| Answer» E. | |
| 383. |
Which of the following measurement is relative to 1percentage of viewport’s larger dimension? |
| A. | vw |
| B. | vmax |
| C. | vmin |
| D. | ch |
| Answer» C. vmin | |
| 384. |
Which of the following measurement defines a measurement relative to a font’s x-height? |
| A. | e |
| B. | xh |
| C. | ex |
| D. | rxh |
| Answer» D. rxh | |
| 385. |
Which of the following measurement defines a measurement in pixels? |
| A. | px |
| B. | in |
| C. | em |
| D. | pt |
| Answer» B. in | |
| 386. |
Which of the following measurement defines a measurement in inches? |
| A. | px |
| B. | in |
| C. | em |
| D. | pt |
| Answer» C. em | |
| 387. |
Which of the following measurement defines a measurement in centimeters? |
| A. | c |
| B. | cm |
| C. | centi |
| D. | centimeter |
| Answer» C. centi | |
| 388. |
Western Blotting is used for __________ |
| A. | Proteins |
| B. | Carbohydrates |
| C. | Vitamins |
| D. | Nucleic acids |
| Answer» B. Carbohydrates | |
| 389. |
In FT-IR, middle-infrared is used to differentiate and identify yeasts. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 390. |
The profiles of saturated and unsaturated fatty acids in Saccharomyces cerevisiae are same. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 391. |
Southern blotting is used for ____________ |
| A. | RNA |
| B. | DNA |
| C. | Proteins |
| D. | Carbohydrates |
| Answer» C. Proteins | |
| 392. |
Pyrolysis mass spectroscopy differentiated organisms to _____________ level. |
| A. | DNA |
| B. | Protein |
| C. | Genus and Species |
| D. | Kingdom |
| Answer» D. Kingdom | |
| 393. |
Who first described the use of RFLP in brewing strain differentiation? |
| A. | Clemons |
| B. | Schofield |
| C. | McCullough |
| D. | Jacob |
| Answer» C. McCullough | |
| 394. |
The length of primers in RAPD is _______ |
| A. | 8 – 15 nts |
| B. | 15 – 20 nts |
| C. | 5 – 10 nts |
| D. | 2 – 5 nts |
| Answer» B. 15 – 20 nts | |
| 395. |
Which of the following is false for karyotyping? |
| A. | It is used to determine the chromosomal number |
| B. | It is used to determine the chromosomal size |
| C. | It is used in the detection of disease |
| D. | It is used in DNA amplification |
| Answer» E. | |
| 396. |
The denaturation temperature is _________ |
| A. | 55°C |
| B. | 72°C |
| C. | 66°C |
| D. | 94°C |
| Answer» E. | |
| 397. |
PCR is a _______________ |
| A. | Power Chain Reaction |
| B. | Power Control Reaction |
| C. | Polymerase Chain Reaction |
| D. | Polymerase Control Reaction |
| Answer» D. Polymerase Control Reaction | |
| 398. |
Which of the following is not a restriction enzyme? |
| A. | Hind III |
| B. | Eco RI |
| C. | Bam HI |
| D. | AmpR |
| Answer» E. | |
| 399. |
RFLP is a ____________ |
| A. | Molecular scissor |
| B. | PCR technique |
| C. | Method of producing GMOs |
| D. | Molecular marker |
| Answer» E. | |
| 400. |
What is the full form of RFLP? |
| A. | Restriction Fragment Length Polymorphism |
| B. | Recognition Fragment Length Polymorphism |
| C. | Random Fragment Linear Polymorphism |
| D. | Random Fragment Linear Polymorphism |
| Answer» B. Recognition Fragment Length Polymorphism | |