Heavy duty relays are not suitable as switching relays because they have:
A) Larger contacts with less resistance. B) Smaller contacts with more resistance.
C) Larger contacts with more resistance. D) Smaller contacts with less resistance.
C
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The conditions of a gas change in a steady-flow process from 20°C and 1000 kPa to 60°C and 100 kPa. Devise a reversible nonflow process (any number of steps) for accomplishing this change of state, and calculate ?U and ?H for the process on the basis of 1 mol of gas. Assume for the gas that PV/T is constant, 
and 
What will be an ideal response?
When adding zeotropes, you can throttle the refrigerant using the hand valves on the gauges or add it as a:
A) Gas to the suction side of the compressor. B) Gas to the output side of the compressor. C) Liquid directly to the compressor. D) Gas using a charging device in line with the cylinder.
Name the type of drawing where the three principal planes and edges make equal 30° angles, and the angles between each of these three isometric axes are 120°.
What will be an ideal response?
Inductive sensors with __________ diameters should be used for high speed switching application, such as counting gear teeth.
A. small B. larger C. It makes no difference.