10 4. Technician A says the ground in a circuit is
carrying enough current to activate a test
light. Technician B says the ground includes
the portion of the circuit between the load
and the negative terminal of the battery.
Who is right?

Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?

With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.

What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?