Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NDA2017General AbilityGeneral StudiesActual

The Indian Railways have gone in for qualitative improvements since independence. Which of the following have taken place in recent years? 1. Gauge conversion 2. Track electrification 3. Automatic signals Select the correct answer using the codes given below:

Options

  1. A1 and 2 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1 , 2 and 3

Correct answer

D. 1 , 2 and 3

Step-by-step solution

Option 4 is Correct

Practice General Studies on Quantrex Academy →

More from General Studies

Consider the following statements regarding extratropical cyclones: I. They usually develop in the mid and high latitudes. II. They affect a much larger area as compared to tropica 2026Loose sediments are transformed into sedimentary rocks by the process of 2026Consider the following statements: I. Earthquake waves are basically of two types, namely body waves and surface waves. II. The body waves interact with the surface rocks and gener 2026Which one of the following is not a strategy in the Rainfed Area Development (RAD) scheme of India? 2026As per the land-use categories in the Land Revenue Records of India, 'a cultivable land which is left uncultivated for more than a year but less than 5 years' is called 2026Consider the following statements about temperature inversion: I. This happens when normal lapse rate gets inverted. II. Winter nights with cloudy skies are conducive for temperatu 2026Consider the following pairs: Types of Chemical Weathering Characteristics I. Solution Results in leaching of minerals II. Carbonation Helps in breaking down feldspars III. Hydrati 2026Consider the following statements: I. In a seismograph, P waves are recorded earlier than S waves. II. In P waves, the individual particles vibrate to and fro in the direction of w 2026 Full General Studies list All NDA PYQs