Which of the following statements is true? a. Work or mechanical energy can spontaneously be converted completely to heat or thermal energy. b. Thermal energy with some effort, can only be partially...

Extracted text: Which of the following statements is true? a. Work or mechanical energy can spontaneously be converted completely to heat or thermal energy. b. Thermal energy with some effort, can only be partially converted to mechanical energy c. For a closed system constant-volume heating of a gas, heat absorbed is directly converted into changes in the gas' internal energy d. All of these. A sugar production plant uses their used sugarcane biomass as fuel to boil off water into high pressure steam and is wondering if they can utilize this steam to produce electricity. The company should use a c. turbine d. pump a. nozzle b. compressor