The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as
A). pull-up torque
B). pull-in torque
C). pull-out torque
D). none of the above
1. The path of the magnetic flux in transformer should have
2. At parallel resonance, the line current is ___________
3. Mercury, in arc rectifiers, is chosen for cathode because
4. While conducting short-circuit test on a transformer the following side is short circuited
5. Man made noise are ___________ variations.
6. If a parallel circuit is opened in the main line, the current
7. In the sale of diamonds the unit of weight is carat. One carat is equal to
8. A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads