One watt is equal to-
- 1 Nm/s
- 1 N/mt
- 1 Nm/t
- 1 k Nm/mt
Work done is zero for the following process-
- Constant Volume
- Free Expansion
- Throttling
- All of the above
One calorie in kgm is equal to-
- 0.427
- 4.27
- 42.7
- 427
In DC motor the direction of induced emf is opposite to main bars as per-
- Fleming’s left-hand rule
- Lenz’s law
- Fleming’s right-hand rule
- Faraday’s’ law
Which type of DC generator is used in welding machines-
- Series generator
- Shunt generator
- Cumulatively compound
- Differential compound