⟩ Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. A. 1 to 5 B. 30 to 80 C. 250 to 350 D. 450 to 500
Option B
Option B
Explain me do you prefer your water mains be pvc or copper?
Please explain do you prefer PVC or copper for piping?
Do you know what is the most common reason for sump pump failure?
Explain me some of the most common tools required for plumbing?
Basic Plumbing interview questions
What can you offer me that another person can’t?
Tell me have you ever plumbed an office building?
Tell me do Unused Drains Dry Up and Get Rough Inside?
Tell me how many years experience do you have plumbing?
Tell me what advantages are there for PVC water mains?