A 500 W clothes washing machine is run for approximately two hours a week for 52 weeks during a year. If the electric power company charges 12 cents per kWh, calculate the annual electric energy consumption of the clothes washer and the associated cost.
What will be an ideal response?
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What should be used to process the wood in pulp mills mechanically?
A) Grinder B) Chipper C) Chemicals D) Digester
A mixture of saturated liquid water and saturated steam at T = 393.15 K has a specific enthalpy of 2000 kJ/kg. What is the quality of this mixture?
A. 0.321 B. 0.738 C. 0.679 D. -0.138 E. 0.262
Substantial personal pleasure and satisfaction can be derived from training dogs to serve
A. The blind or deaf B. As tracking and police dogs C. As search and rescue dogs D. All of the above E. A and B above
Technician A says that leaf springs are mounted lengthwise on the rear of many vehicles. Technician B says that some vehicles use transversely mounted leaf springs on the rear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B