The voltage of a single solar cells is about

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The commercial sources of energy are____________?

A. solar, wind and biomass B. fossil fuels, hydropower and nuclear energy C. wood, animal wastes and agriculture wastes D. none of the above...

In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating________________?

A. decreases with increase in Rankine cycle efficiency B. increases with increase in Rankine cycle efficiency C. is unaffected by increase in Rankine cycle efficiency D. none of the above...

Incase of reaction steam turbine___________?

A. there is enthalpy drop both in fixed and moving blades B. there is enthalpy drop only in fixed blades C. there is enthalpy drop only in moving blades D. none of the above...

Pipes carrying steam are generally made up of_____________?

A. steel B. cast iron C. copper D. aluminium...

Demand factor is defined as___________?

A. average load/maximum load. B. maximum demand/connected load C. connected load/maximum demand. D. average load x maximum load...