1. the most efficient way to hot drain a terne-plated filter is:
oa. the gravity draining method.
ob. the disassembly method.
oc. the air pressure method
od. terne-plated filters contain lead and should
treated as hazardous waste.

What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.