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Did James Watt have brothers or sisters?
He had a brother name John Watt and some say he also had a sister named Jean Watt, but if so, I can't find any information on her.
Are nuclear reactors dangerous?
Yes, but there are risks associated with every type of power plant. Its simply a matter of understanding those risks and dealing with them. In the case of nuclear reactors, we design whats known as "defense in depth", so that any hypothetical failure, or sequence of failures, including some improbable failures, can be handled.
Did James Simpson win any prizes for his invention?
yes
What is the difference between single phase and three phase voltage measurement?
Phasing, or the number of phases in an electrical system has nothing to do with the voltage. A single phase and three phase supply could have a voltage supply of any given voltage from virtually 0 to infinity. Most single phase power supplies in the US are 120/208-240 volt. Three phase power supplies are typically 120/208 to 277/480 volt.
What is the current carrying capacity of 1HP single phase induction motor?
The current varies but a rule of thumb is to allow 7 amps per horse power on 240 v, that means 7.64 amps on 220v, which 1.68 kVA. 1 horse-power is 746 watts, and with a conversion efficiency of 0.85 the power drawn is 880 watts on full load.
