This is also why the majority of 480 to 120/208 transformers are delta primary. A 6 lead motor that is connected wye for high voltage and delta for low is an exception to the above. These motors are dual-voltage, but the two voltages are not half or double like a 9 or 12 lead one. The high voltage is 1.73 X the low.
Report Abuse. It's either called a sonogram or an ultrasound scan. They rub gel on your belly and rub a device on it. You will see the baby on a screen next to the hospital bed. ...
Screening tests can help tell parents-to-be whether the fetus may be at high or low risk of having a chromosomal abnormality, but the only way to actually know if the baby will be born with a problem in its genetic makeup is by doing diagnostic testing, according to the National Institutes of Health (NIH).here are no dangers to the mother or the fetus from these screening tests, but positive screening results are not diagnostic. A new screening test done at 10 weeks of pregnancy, called cell-free fetal DNA testing, uses the mother's blood to detect Down syndrome.