Which of the following is the most stable type of compression spring?
A. ground closed end
B. plain closed end
C. ground open end
D. plain open end
Answer: A
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Las lámparas con temperaturas de color de _____ y mayores producen una luz que se considera de tono frío.
a. 3.000K b. 3.500K c. 4.100K d. 5.000K
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The vertical reactions at supports A and D of the indeterminate beam in Figure P7.18 are given. Compute the slope at B and the deflection at C. EI is constant. Sketch the deflected shape. Solve by the moment-area method.
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What component moves the refrigerant through the air-conditioning system?
A) Orifice tube B) Compressor C) Expansion valve D) All of the above
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