Q.89 High frequency induction heating is used for ……………….Ans 1. None of the options2. Non-ferrous metal3. Both ferrous and non ferrous metals4. Ferrous metals onlyCorrect Ans Provided: 3

Q.79 The fraction of magnetic flux induced by the current in one coil that links with the other is called as _________Ans 1. Mutually coupled coils2. Coefficient of coupling3. Mutual flux4. Mutual inductanceCorrect Ans Provided: 2

Q.53 For which of the following locomotives maintenance requirements are less?Ans 1. Gas turbine electric locomotive2. Diesel locomotives3. Electric locomotives4. Steam locomotivesCorrect Ans Provided: 3

Q.82 Dimming system is used in……….Ans 1. All of the options2. Theater3. Bed room4. AuditoriumCorrect Ans Provided: 1

Q.60 Can ohm’s law be applied in an ac circuit?Ans 1. Depends on the rms voltage2. No3. Depends on the rms current4. YesCorrect Ans Provided: 4

Q.81 Area under the speed time curve representsAns 1. Average acceleration2. Average speed3. Net acceleration4. Distance travelledCorrect Ans Provided: 4

Q.51 Main Advantages of Industrial Automation is…..Ans 1. Increase production Cost and Increase Production rate2. Reduce production Cost and Increase Production rate3. Reduce production Cost and Reduce Production rate4. Increase production Cost and Reduce Production rateCorrect Ans Provided: ...

Q.86  If there are b branches and n nodes, then how many node-voltage equations are required?Ans 1. n2. b3. b+14. n-1Correct Ans Provided: 4

Q.59 Which of the Following power plant has instant starting?Ans 1. Hydro power plant2. Both Hydro & Diesel3. Diesel power plant4. Nuclear power plantCorrect Ans Provided: 2

Q.76 Monorail system often makes use of Ans 1. third rail system2. underground track3. normal track on ground4. elevated trackCorrect Ans Provided: 4