MCQOPTIONS
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MCQOPTIONS
This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Which of the following component movement interrupts the electrical supply by disconnecting the breaker points? |
| A. | Float chamber |
| B. | Diaphragm |
| C. | Strainer |
| D. | Armature |
| Answer» E. | |
| 202. |
Which system experiences Vapour locking in the fuel system? |
| A. | A.C mechanical pump |
| B. | S U electrical pump |
| C. | Both A.C mechanical pump and S U electrical pump |
| D. | Electrical pump |
| Answer» B. S U electrical pump | |
| 203. |
Which valve opens when the downward movement of the diaphragm causes a vacuum in the chamber? |
| A. | Outlet |
| B. | Inlet |
| C. | Both outlet and inlet |
| D. | Transfer |
| Answer» C. Both outlet and inlet | |
| 204. |
Which of the following is the correct sequence of fuel travel? |
| A. | Tank – fuel pump – fuel filter – carburetor |
| B. | Tank – fuel filter – fuel pump – carburetor |
| C. | Fuel filter – fuel pump – tank – carburetor |
| D. | Carburetor – fuel pump – fuel filter – tank |
| Answer» B. Tank – fuel filter – fuel pump – carburetor | |
| 205. |
Which type of energy is used to operate the diaphragm in an S U electrical pump? |
| A. | Mechanical |
| B. | Hydraulic |
| C. | Electrical |
| D. | Solar |
| Answer» D. Solar | |
| 206. |
Which material is used in the diaphragm of an A.C mechanical pump?. |
| A. | Paper |
| B. | Metal sheet |
| C. | High-grade cotton and rubber |
| D. | Ceramic |
| Answer» D. Ceramic | |
| 207. |
Which of the following helps in the relief of the excess pressure which is built up? |
| A. | Pull rod |
| B. | Diaphragm return spring |
| C. | Camshaft |
| D. | Suction valve |
| Answer» C. Camshaft | |
| 208. |
Which of the following provides the force to drive the pump? |
| A. | Crankshaft |
| B. | Differential |
| C. | Camshaft |
| D. | V-belt |
| Answer» D. V-belt | |
| 209. |
What is the pressure range in kPa in the petrol pipeline between the fuel pump and the carburetor? |
| A. | 5-10 |
| B. | 10-20 |
| C. | 20-35 |
| D. | 35-40 |
| Answer» D. 35-40 | |
| 210. |
Which material is used for the valves of the A.C mechanical pump? |
| A. | Cast iron |
| B. | Plastic |
| C. | Bakelite |
| D. | Paper |
| Answer» D. Paper | |
| 211. |
The typical squelch circuit cuts off __________ |
| A. | An audio amplifier when the carrier is absent |
| B. | RF interference when the signal is weak |
| C. | An IF amplifier when Automatic Gain Control is maximum |
| D. | An IF amplifier when Automatic Gain Control is minimum |
| Answer» B. RF interference when the signal is weak | |
| 212. |
Frequency components of an AM wave are? |
| A. | Carrier frequency (ωc) with amplitude A |
| B. | Lower side band (ωc + ωm) having amplitude mA⁄4c) Upper side band (ωc – ωm) having amplitude mA⁄4d) Carrier frequency (ω |
| C. | with amplitude Ab) Lower side band (ωc + ωm) having amplitude mA⁄4c) Upper side band (ωc – ωm) having amplitude mA⁄4 |
| D. | Carrier frequency (ωc) with amplitude A⁄2 |
| Answer» B. Lower side band (ωc + ωm) having amplitude mA⁄4c) Upper side band (ωc – ωm) having amplitude mA⁄4d) Carrier frequency (ω | |
| 213. |
The IF bandwidth of a radar receiver is inversely proportional to the __________ |
| A. | pulse repetition frequency |
| B. | pulse width |
| C. | pulse amplitude |
| D. | pulse code |
| Answer» C. pulse amplitude | |
| 214. |
What is the advantage of using direct current in magnetic particle inspection? |
| A. | Battery maintenance |
| B. | Demagnetize easy |
| C. | Variable voltage supply |
| D. | Subsurface detection |
| Answer» E. | |
| 215. |
The minimum width of crack, which can be inspected by magnetic particle inspection is _________ |
| A. | 1nm |
| B. | 1µm |
| C. | 10µm |
| D. | 1mm |
| Answer» C. 10µm | |
| 216. |
What is Curie point for most of the ferrous magnetic materials? |
| A. | 550˚C |
| B. | 760˚C |
| C. | 910˚C |
| D. | 1133˚C |
| Answer» C. 910˚C | |
| 217. |
Which of the following material can’t be tested by magnetic particle testing? |
| A. | Co |
| B. | Fe |
| C. | Ni |
| D. | Mg |
| Answer» E. | |
| 218. |
Which of the following material can be tested by magnetic particle testing? |
| A. | Diamagnetic |
| B. | Non-magnetic |
| C. | Paramagnetic |
| D. | Ferromagnetic |
| Answer» E. | |
| 219. |
___________ increases the visibility of the flaw in liquid penetrant inspection. |
| A. | Developer |
| B. | Penetrant |
| C. | Benzene |
| D. | Spirit |
| Answer» B. Penetrant | |
| 220. |
Which is the correct order for the liquid penetrant test? |
| A. | Penetrant apply, development, inspection, surface preparation |
| B. | Surface preparation, penetrant apply, development, inspection |
| C. | Penetrant apply, development, surface preparation, inspection |
| D. | Development, surface preparation, penetrant apply, inspection |
| Answer» C. Penetrant apply, development, surface preparation, inspection | |
| 221. |
Liquid penetrant test can’t be used on _________ specimen. |
| A. | Large |
| B. | Simple |
| C. | Complex |
| D. | Internally defected |
| Answer» E. | |
| 222. |
What is the disadvantage of the liquid penetrant test? |
| A. | Expensive |
| B. | Slow |
| C. | Not reliable |
| D. | Depth restriction |
| Answer» E. | |
| 223. |
Is additional term can be added to make an aircraft wing station? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 224. |
Is local induced change the angle of attack on a given section of a wing? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 225. |
Is prandtl lifting line theory predicts lift distribution over a three dimensional wing? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 226. |
_______ aids in cushioning the shock of the hydraulic pressure during the working of the hydraulic ram |
| A. | Pressure vessel |
| B. | air bags |
| C. | inlet valve |
| D. | Drive pipe |
| Answer» B. air bags | |
| 227. |
The typical efficiency of a hydraulic ram is ____ |
| A. | 50% |
| B. | 60% |
| C. | 70% |
| D. | 80% |
| Answer» C. 70% | |
| 228. |
Hydraulic Ram is used in areas where there is a source of ________ power. |
| A. | Thermal |
| B. | Hydroelectric |
| C. | Biogas |
| D. | Solar |
| Answer» C. Biogas | |
| 229. |
A hydraulic ram uses the _______ effect to develop pressure. |
| A. | Water hammer |
| B. | Pascal’s law |
| C. | Bernouille’s |
| D. | Toricelli’s |
| Answer» B. Pascal’s law | |
| 230. |
A ________ is a cyclic water pump that derives its power from hydroelectric sources. |
| A. | Hydraulic crane |
| B. | Hydraulic Ram |
| C. | Hydraulic Accumulator |
| D. | Hydraulic presses |
| Answer» C. Hydraulic Accumulator | |
| 231. |
A __________ is a hydraulic machine for converting hydraulic power at low pressure into a reduced volume at higher pressure. |
| A. | Hydraulic Ram |
| B. | Hydraulic crane |
| C. | Hydraulic Intensifier |
| D. | Hydraulic accumulator |
| Answer» D. Hydraulic accumulator | |
| 232. |
Aniline reacts with which of these to form Schiff base? |
| A. | Acetic acid |
| B. | Benzaldehyde |
| C. | Acetone |
| D. | NH3 |
| Answer» C. Acetone | |
| 233. |
Identify the product Z in the following reaction. |
| A. | p-Bromoaniline |
| B. | p -Bromoacetophenone |
| C. | o-Bromoacetophenone |
| D. | o-Bromoacetanilide |
| Answer» B. p -Bromoacetophenone | |
| 234. |
p-chloro aniline and anilinium hydrogen chloride can be distinguished by which of the following? |
| A. | Sandmaeyer reaction |
| B. | Carbyl amine reaction |
| C. | Hinsberg’s reaction |
| D. | AgNO3 |
| Answer» E. | |
| 235. |
Ethyl amine on acetylation gives which of the following? |
| A. | N-ethyl acetamide |
| B. | Acetamide |
| C. | Methyl acetamide |
| D. | Propyl acetamide |
| Answer» B. Acetamide | |
| 236. |
In the reaction, what is the compound C6H5N=CHC6H5 is known as?C6H5CHO + C6H5NH2 → C6H5N=HCC6H5 + H2O |
| A. | Aldol |
| B. | Schiffs reagent |
| C. | Schiffs base |
| D. | Benedict reagent |
| Answer» D. Benedict reagent | |
| 237. |
The amine which can react with C6H5−SO2−Cl to form a product insoluble in alkali shall be, is which of the following? |
| A. | Primary amine |
| B. | Secondary amine |
| C. | Tertiary amine |
| D. | Both primary and secondary amines |
| Answer» C. Tertiary amine | |
| 238. |
A primary amine can be converted to an alcohol by the action of which of the following? |
| A. | Alkali |
| B. | Nitrous acid |
| C. | Reducing agent |
| D. | Oxidizing agent |
| Answer» C. Reducing agent | |
| 239. |
The order of the Cascade system doesn’t depend on the output. Which is the property? |
| A. | Commutative |
| B. | Associative |
| C. | Commutative and distributive |
| D. | Distributive |
| Answer» C. Commutative and distributive | |
| 240. |
What does the associative property apply? |
| A. | Parallel connection of two systems is equivalent to a single system only in case of a continuous system |
| B. | Series and parallel interconnection of two systems is equivalent to a single system only in case of discrete system |
| C. | Series interconnection of two systems is equivalent to a single system in case of both continuous and discrete system |
| D. | Series interconnection of two systems is equivalent to a single system only in case of discrete |
| Answer» D. Series interconnection of two systems is equivalent to a single system only in case of discrete | |
| 241. |
Which is special the property listed below only holds good by an LTI system? |
| A. | Memory |
| B. | Stability |
| C. | Causality |
| D. | Distributive property |
| Answer» E. | |
| 242. |
Which of the following person is famous as ‘Blade Runner’? |
| A. | Usain Bolt |
| B. | Milkha Singh |
| C. | Oscar Pistorius |
| D. | Meb Keflezighi |
| Answer» D. Meb Keflezighi | |
| 243. |
The region of implants for various parts of an artificial eye can be _________i. Corneaii. Conjectivaiii. Retinaiv. Optic Nervev. Chiasmavi. Lateral geniculate bodyvii. Visual Cortex |
| A. | iii, iv, vi, vii |
| B. | i, iii, v, vi |
| C. | ii, iv, v, vii |
| D. | i, ii |
| Answer» B. i, iii, v, vi | |
| 244. |
It is difficult to make an artificial liver so a substitutive technology, like the dialysis machine, is being made. Which of the options is mostly considered in making such machines? |
| A. | Using hepatocytes to filter blood |
| B. | Using semi permeable membrane to filter plasma |
| C. | Using solutions of different organic and inorganic composition, just like dialysate, to filter blood |
| D. | Filtering the organic and inorganic components of the blood separately |
| Answer» B. Using semi permeable membrane to filter plasma | |
| 245. |
Calculate the final flux in an inductor having inductance 4000 H, number of turns is 200 and the current changes from 5A to 7A. The initial flux is 760 Wb. |
| A. | 200 Wb |
| B. | 400 Wb |
| C. | 600 Wb |
| D. | 800 Wb |
| Answer» E. | |
| 246. |
Calculate the change in flux of an inductor having inductance 4000 H, number of turns is 200 and the current changes from 5A to 7A. |
| A. | 20 Wb |
| B. | 40 Wb |
| C. | 60 Wb |
| D. | 80 Wb |
| Answer» C. 60 Wb | |
| 247. |
Calculate the initial current in an inductor having inductance 4000 H, number of turns is 200 and the flux changes from 760 to 800 Wb. Current changes to 7A. |
| A. | 10A |
| B. | 2A |
| C. | 3A |
| D. | 5A |
| Answer» E. | |
| 248. |
Calculate the change in current in an inductor having inductance 4000H, number of turns is 200 and the flux changes from 760 to 800 Wb. |
| A. | 2A |
| B. | 4A |
| C. | 6A |
| D. | 8A |
| Answer» B. 4A | |
| 249. |
Calculate the number of turns in an inductor with a ferromagnetic core when the inductance is 4000 H, the current changes from 5A to 7A and the flux changes from 760 to 800 Wb. |
| A. | 100 |
| B. | 200 |
| C. | 300 |
| D. | 400 |
| Answer» C. 300 | |
| 250. |
A laminated steel ring is wound with 200 turns. When the magnetizing current varies between 5 and 7 A, the magnetic flux varies between 760 and 800 Wb. Calculate the inductance of the coil. |
| A. | 40H |
| B. | 4 H |
| C. | 4000H |
| D. | 0.004 H |
| Answer» D. 0.004 H | |