Ad. c circuit can be represented by an internal voltage source of 50volts with an output resistance of 20mohms. in order to achieve accuracy better than 70% for voltage measurement across its terminals , calculate the resistance of the voltage measuring device.

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

What are the major differences between injection molding and extrusion?