Confused Student? - CR4 Discussion Thread
2017年5月17日 · Here is something for the OP to chew on. In a three phase system, you have 3 voltage sources. Those 3 sources are "out of phase" to each other by 120 degrees.
Carbon Formation at Contactor Point - CR4 Discussion Thread
2017年5月18日 · Yes, very interesting read on that article, thanks for that. Although there will be a big difference in issues relating to something as small and lightly loaded as a telecom relay vs …
Class of Valve - CR4 Discussion Thread - GlobalSpec
2010年6月23日 · Good day! I am very new in CR4. I am a student from Malaysia. I am confused about class of valves. I do not understand what is the meaning of this term as per below : ' …
Student Help: Convert mW/cm2 to nm - CR4 Discussion Thread
2014年2月14日 · You are confused as to what the meter measures. It only measures brightness or intensity of the UV light hitting it. It does not measure wavelength, or "color" of the light …
Substation Capacity - CR4 Discussion Thread - GlobalSpec
2014年4月11日 · Can you tell me how I can calculate available generation capacity at a electricity distribution substation if I have all other relevant information (e.g. max load of previous year, …
Range and Approach for Evaporative Condenser
2020年1月20日 · I am a little confused as there seems to be some difference from the way I would usually use these terms (and a common problem is that terms are often used interchangeably …
UPS Calculation and Diversity Factor - CR4 Discussion Thread
2011年5月29日 · The terms power and energy are frequently confused. Power is the rate at which energy is generated or consumed. For example, when a light bulb with a power rating of 100W …
What is Reducer & Increaser Effect On Pressure?
2012年4月23日 · The information contained on this site is by users for users and is provided for information purposes only and does not constitute advice.
Schedule/Thickness of Pipe Component/Fitting in Piping Material ...
2015年10月2日 · Yes, JohnDG. You are right. From what I have discussed with piping engineers they say, that if M is written then it is understood that the schedule of the component/fitting will …
Need UL Certification for a lighting fixture
2008年2月11日 · Tomson, just so we don't get you totally confused as we banter technicalities back and forth, as stated, only UL can give you a UL listing, just as only CSA can give you a …