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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 16151. |
For the reversible reactionA(s) B(g) Ý C(g) D(g): DG0 = -350kJ.Which one of the following statements is true? |
| A. | The reaction should be instantaneous. |
| B. | The reaction is thermodynamically not feasible. |
| C. | The entropy change is negative. |
| D. | Equilibrium constant is greater than one. |
| Answer» E. | |
| 16152. |
Ashtadiggajas were in the court of ? |
| A. | Rajaraja |
| B. | Krishnadeva Raya |
| C. | Chandragupta II |
| D. | Harshavardhana |
| Answer» C. Chandragupta II | |
| 16153. |
What is the gauge of Auxiliary Track for working of PQRSs? |
| A. | 3400 mm |
| B. | 3700 mm |
| C. | 3000 mm |
| D. | 1676 mm |
| Answer» C. 3000 mm | |
| 16154. |
Lethargy |
| A. | listlessness |
| B. | serenity |
| C. | impassivity |
| D. | laxity |
| Answer» E. | |
| 16155. |
‘Ashtapradhan’ adorned the court of ? |
| A. | Vikramaditya II |
| B. | Rajendra I |
| C. | Krishnadevaraya |
| D. | Shivaji |
| Answer» E. | |
| 16156. |
For the reaction H20 (l) Ý H2O(g) at 373 K and one atmospheric pressure? |
| A. | DE = 0 |
| B. | DH = 0 |
| C. | DH = DE |
| D. | DH = TDS |
| Answer» E. | |
| 16157. |
For the reaction Fe2O3 3CO ¾® 2Fe 3CO2 the volume of carbon monoxide required to reduce one mole of ferric oxide is? |
| A. | 22.4 dm3 |
| B. | 67.2 dm3 |
| C. | 44.8 dm3 |
| D. | 11.2 dm3 |
| Answer» C. 44.8 dm3 | |
| 16158. |
Indians in ancient time learnt a lot from the Greeks in the field of |
| A. | Painting |
| B. | Sculpture |
| C. | Coinage |
| D. | Music |
| Answer» C. Coinage | |
| 16159. |
For the reaction 2HI(g) Ý H2(g) I2(g) - Q KJ , the equilibrium constant depends upon? |
| A. | volume |
| B. | catalyst |
| C. | pressure |
| D. | temperature |
| Answer» E. | |
| 16160. |
For the four successive transition elements (Cr, Mn, Fe and Co), the stability of 2 oxidation state will be there in which of the following order?(At. nos. Cr = 24, Mn = 25, Fe = 26, Co = 27) |
| A. | Cr u003e Mn u003e Co u003e Fe |
| B. | Fe u003e Mn u003e Co u003e Cr |
| C. | Mn u003e Fe u003e Cr u003e Co |
| D. | Co u003e Mn u003e Fe u003e Cr |
| Answer» D. Co u003e Mn u003e Fe u003e Cr | |
| 16161. |
For the decomposition of a compound AB at 600 K, the following data were obtained:[AB] mol dm-3 Rate of decomposition of AB in mol dm-3 s-10.20 2.75 ´ 10-80.40 11.0 ´ 10-80.60 24.75 ´ 10-8The order for the decomposition of AB is? |
| A. | 1 |
| B. | 1.5 |
| C. | 2 |
| D. | 0 |
| Answer» D. 0 | |
| 16162. |
A standing army was first introduced in medieval India by ? |
| A. | Iltumish |
| B. | Firoz Shah Tughlaq |
| C. | Ba]han |
| D. | Alauddin Khilji |
| Answer» B. Firoz Shah Tughlaq | |
| 16163. |
In case of 52 kg CMS Crossing dimension to be deducted (to account for slope in casting of wing rail to 1:20 cant) from the observed wear measurements to find out the actual wear is ______ |
| A. | 3 mm |
| B. | 4 mm |
| C. | 2 mm |
| D. | 1 mm |
| Answer» D. 1 mm | |
| 16164. |
Who Introduced Decimal system ? |
| A. | None of these |
| B. | Bhaskara |
| C. | Aryabhatta |
| D. | Brahmagupta |
| Answer» C. Aryabhatta | |
| 16165. |
Maximum distance covered in a day by a Patrolman should not normally exceed |
| A. | 2 km. |
| B. | 5 km. |
| C. | 10 km. |
| D. | 20 km. |
| Answer» E. | |
| 16166. |
Permissible creep in track is |
| A. | 50 mm |
| B. | 100 mm |
| C. | 125 mm |
| D. | 150 mm |
| Answer» E. | |
| 16167. |
Who was the founder of Qutb Shahi dynasty? |
| A. | Quli Qutb Shah |
| B. | Ibrahim Qutb Shah |
| C. | Ibrahim Adil Shahl l |
| D. | Adil Shah |
| Answer» B. Ibrahim Qutb Shah | |
| 16168. |
For one mole of an ideal gas, increasing the temperature from 10°C to 20°C ______? |
| A. | increases the rms velocity by times. |
| B. | increases both the average kinetic energy and rms velocity, but not significantly. |
| C. | increases the average kinetic energy by two times. |
| D. | increases the rms velocity by two times. |
| Answer» C. increases the average kinetic energy by two times. | |
| 16169. |
Permissible vertical wear for tongue rail of 52kg. lefthand fanshape curved switch is _____. |
| A. | 20 mm |
| B. | 15 mm |
| C. | 10 mm |
| D. | 5 mm |
| Answer» E. | |
| 16170. |
Who amongst the following rulers assumed the title of ‘Paramanka? |
| A. | Samudragupta |
| B. | Chandragupta |
| C. | Harshavardhana |
| D. | Ajatashatru |
| Answer» B. Chandragupta | |
| 16171. |
Who laid out the first Mughal garden in India? |
| A. | Shahjehan |
| B. | Jehangir |
| C. | Akbar |
| D. | Babar |
| Answer» E. | |
| 16172. |
Maximum distance apart of trolley refuges on bridges with main spans of 100metre or more is |
| A. | 50 mtr |
| B. | 100 mtr |
| C. | 200 mtr |
| D. | a refuge over each pair . |
| Answer» E. | |
| 16173. |
For a stable molecule the value of bond order must be? |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | there is no relationship between stability and bond order. |
| Answer» C. zero | |
| 16174. |
For a chemical reaction A ® B, the rate of the reaction is 2 ´ 10-3 mol dm-3 s-1, when the initial concentration is 0.05 mol dm-3. The rate of the same reaction is 1.6 ´ 10-2 mol dm-3 s-1when the initial concentration is 0.1 mol dm-3. The order of the reaction is? |
| A. | 0 |
| B. | 2 |
| C. | 1 |
| D. | 3 |
| Answer» E. | |
| 16175. |
During whose reign Mewar came to conclude peace treaty with Mughals? |
| A. | Aurangzeb |
| B. | Shahjehan |
| C. | Jahangir |
| D. | Akhar |
| Answer» D. Akhar | |
| 16176. |
Permissible variation of sleepers to sleeper spacing is ______. |
| A. | ±40 mm |
| B. | ±30 mm |
| C. | ±20 mm |
| D. | ±10 mm |
| Answer» D. ±10 mm | |
| 16177. |
Normal life of detonators is |
| A. | 5 years |
| B. | 10 years |
| C. | 7 years |
| D. | 6 years. |
| Answer» D. 6 years. | |
| 16178. |
One of the major towns of the Godavari in the Satavahana kingdom was ? |
| A. | Pratishthana |
| B. | Maski |
| C. | Arikkamedu |
| D. | Korkkai |
| Answer» B. Maski | |
| 16179. |
Excess of PCl5 reacts with conc. H2SO4 giving? |
| A. | chlorosulphonic acid |
| B. | sulphuryl chloride |
| C. | thionyl chloride |
| D. | sulphurous acid |
| Answer» C. thionyl chloride | |
| 16180. |
Service life in terms of total GMT carried for 52 kg. 90 UTS rail is______ |
| A. | 525 |
| B. | 225 |
| C. | 325 |
| D. | None of these |
| Answer» B. 225 | |
| 16181. |
Excess of carbon dioxide is passed through 50 ml of 0.5 M calcium hydroxide solution. After the completion of the reaction, the solution was evaporated to dryness. The solid calcium carbonate was completely neutralised with 0.1 N Hydrochloric acid. The volume of Hydrochloric acid required is? (At. mass of calcium = 40) |
| A. | 200 cm3 |
| B. | 300 cm3 |
| C. | 400 cm3 |
| D. | 500 cm3 |
| Answer» E. | |
| 16182. |
Permissible wear of web u0026 foot of rail due to corrosion is ________. |
| A. | 2.5 mm |
| B. | 1.5 mm |
| C. | 4.5 mm |
| D. | 3.5 mm |
| Answer» C. 4.5 mm | |
| 16183. |
Entropy of the universe is? |
| A. | constant |
| B. | zero |
| C. | continuously decreasing |
| D. | continuously increasing |
| Answer» E. | |
| 16184. |
Enthalpy of vapourization of benzene is 35.3 kJ mol-1 at its boiling point of 80°C.The entropy change in the transition of the vapour to liquid at its boiling point[in JK-1 mol-1] is ______? |
| A. | +441 |
| B. | +100 |
| C. | -441 |
| D. | -100 |
| Answer» E. | |
| 16185. |
Enthalpy change for the reaction, 4H(g) ® 2H2(g) is –869.6 kJ. The dissociation energy of H – H bond is? |
| A. | +434.8 kJ |
| B. | –869.6 kJ |
| C. | –434.8 kJ |
| D. | +217.4 kJ |
| Answer» B. –869.6 kJ | |
| 16186. |
Ellingham diagram represents a graph of? |
| A. | DG Vs T |
| B. | DS Vs P |
| C. | DG0 Vs T |
| D. | DG Vs P |
| Answer» D. DG Vs P | |
| 16187. |
Who among the following called himself as the ‘Second Alexander’ |
| A. | Kanishka |
| B. | Chandragupta |
| C. | Samudragupta |
| D. | Alauddin Khilji |
| Answer» E. | |
| 16188. |
E1, E2 and E3 are the emf values of the three galvanic cells respectively.a) Zn | || |Cub) Zn | || |Cuc) Zn | || |CuWhich one of the following is true? |
| A. | E1 u003e E2u003e E3 |
| B. | E1 u003e E3u003e E2 |
| C. | E2 u003e E3u003e E1 |
| D. | E3 u003e E2 u003e E1 |
| Answer» E. | |
| 16189. |
Vertical wear permissible for 60kg/90UTS. rails is ________. |
| A. | 11 mm |
| B. | 12 mm |
| C. | 13 mm |
| D. | 14 mm |
| Answer» D. 14 mm | |
| 16190. |
Minimum speed restriction to be imposed for Track renewal is |
| A. | Stop dead u002610Kmph |
| B. | 10 Kmph |
| C. | 15Kmph |
| D. | 20 Kmph |
| Answer» E. | |
| 16191. |
During the formation of a chemical bond? |
| A. | energy decreases |
| B. | energy increases |
| C. | energy of the system does not change |
| D. | electron-electron repulsion becomes more than the nucleus-electron attraction |
| Answer» B. energy increases | |
| 16192. |
An organic compound which produces a bluish green coloured flame on heating in presence of copper is? |
| A. | benzoic acid |
| B. | aniline |
| C. | benzaldehyde |
| D. | chlorobenzene |
| Answer» E. | |
| 16193. |
Maximum grade in station yard is ______. |
| A. | 1 in 500 |
| B. | 1 in 400 |
| C. | 1 in 600 |
| D. | 1 in 700 |
| Answer» C. 1 in 600 | |
| 16194. |
An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids? |
| A. | Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution. |
| B. | Glutamic acid migrates to cathode and others remain uniformly distributed in solution. |
| C. | All three remain uniformly distributed in solution. |
| D. | All three move to cathode |
| Answer» B. Glutamic acid migrates to cathode and others remain uniformly distributed in solution. | |
| 16195. |
Chola Kingdom Comprised of ? |
| A. | Madras and parts of Mysore |
| B. | Bengal, Andhra and Madras |
| C. | Today’s Andhra pradesh |
| D. | Whole of South India |
| Answer» B. Bengal, Andhra and Madras | |
| 16196. |
The Bahmani Sultan who shifted the capital from Gulbarga to Bindar was ? |
| A. | None of these |
| B. | Ahmad Shah |
| C. | Muhammad Shah |
| D. | Mahmud Shah |
| Answer» C. Muhammad Shah | |
| 16197. |
Minimum height above rail level for high passenger platform is _________. |
| A. | 760 mm |
| B. | 770 mm |
| C. | 820 mm |
| D. | 800 mm |
| Answer» B. 770 mm | |
| 16198. |
Among the alkali metals cesium is the most reactive because? |
| A. | the outermost electron is more loosely bound than the outermost electron of the other alkali metals |
| B. | its incomplete shell is nearest to the nucleus |
| C. | it has a single electron in the valence shell |
| D. | it is the heaviest alkali metal |
| Answer» B. its incomplete shell is nearest to the nucleus | |
| 16199. |
Acrolcin test is positive for? |
| A. | polysaccharides |
| B. | oils and fats |
| C. | proteins |
| D. | reducing sugars |
| Answer» C. proteins | |
| 16200. |
Minimum radius of curves for BG track is______ |
| A. | 165 meter |
| B. | 175 meter |
| C. | 185 meter |
| D. | 195 meter |
| Answer» C. 185 meter | |