railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors
With reference to the cooling of alternators, state which of the following statements is/are true or FALSE.
1. Water cooling is cheaper than hydrogen cooling.
2. Water cooling is less efficient than hydrogen cooling.
1
Both the statements are true
2
Statement 1 is false but statement 2 is true
3
Statement 1 is true but statement 2 is false
4
Both the statements are false