A push-button requires a pressing force to actuate the contacts. The selector switch requires a(n) ____________________ motion to operate the device.
Fill in the blank(s) with the appropriate word(s).
rotary
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Why, in general, is animal agriculture increasing?
What will be an ideal response?
The metering device in the refrigeration cycle converts _____
A) high-pressure liquid refrigerant into a low-pressure liquid and gas mixture B) low-pressure vapor into a high-pressure vapor C) low-pressure liquid into a high-pressure liquid and gas mixture D) high-pressure gas into a high-pressure liquid
An electric current of 1 A passing through a cable has a measured voltage of 30 V across the cable. The cable is covered with polyethylene insulation, and convection occurs at the outer surface of the insulation. The ambient temperature is 20°C with a convection heat transfer coefficient of 5 W/m2•K, and the surface area subjected to the convection is 0.1 m2. The ASTM D1351 standard specifies that thermoplastic polyethylene insulation is suitable for use on electrical cable with operation at temperatures up to 75°C. Under these conditions, will the polyethylene insulation for the cable meet the ASTM D1351 standard? If the polyethylene insulation does not meet the ASTM D1351 standard, then discuss possible solutions to meet the standard.
What will be an ideal response?
Reasons for choosing a particular breed of cat include the owner wants
A. A jogging partner B. A companion animal they can enjoy and admire C. A pet that is clean and easily cared for D. All of the above E. B and C above