MS Pipe Schedule

you cannot because you ain't smart enough.

To determine the schedule, you can measure the wall thickness with calipers or a micrometer, and compare it to a dimensional table.

If the pipe is stamped with the API/ASME grade (and not counterfeit), then you would know the grade. If there are no visible markings, you would need to send a sample to a lab.

Next series of Questions he will ask:

measure (how?) the wall thickness (whats that?) with calipers (UNh??)or a micrometer (How to make my meter micro?), and compare it to a dimensional table.(have dining table , will this do?)