What is a transducer?
What will be an ideal response?
A transducer is a device that changes mechanical or hydraulic input into an electrical signal. The mechanical transducer used to test for imbalance has a magnet that is spring loaded on both sides. It moves back and forth in a coil of wire, sending a signal to a meter in response to vibration.
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Freon 22 is used as a refrigerant in a vapor-compression refrigeration cycle in the frozen food section of your local supermarket. If the condenser operates at 320 K (saturated liquid leaves the condenser) and the boiler operates at 260 K (saturated vapor leaves the boiler), calculate:
A) The coefficient of performance, if the compressor has an 80% efficiency rating. B) The quality of the vapor/liquid mixture that leaves the expansion valve. C) The Carnot Cycle COP assuming that both reservoir temperatures are the same as the temperatures of the boiler and the condenser. D) Since no real process can ever match the assumptions of the Carnot engine, why is the Carnot engine useful?
Nuclear power has been used all over the world since the:
a. 1950s c. 1970s b. 1960s d. 1980s
The Christian crusaders were indirectly responsible for the discovery of America because they
A. were victorious over the Muslims. B. brought back news of valuable Far Eastern spices, drugs, and silk. C. succeeded in establishing improved business relations between Muslims and Christians. D. returned with captured Muslim maps showing the North and South American continents. E. developed better navigational devices.
The tires on a new vehicle are covered by the ______ warranty
A) Basic B) Road rage C) Wheel D) Tire manufacturer