RedOutsiders9901 RedOutsiders9901

14-10-2022
Physics

Answered

heat is transferred to a heat engine from a furnace at a rate of 90 mw. if the rate of waste heat rejection to a nearby river is 40 mw, determine (a) the net power output for this heat engine, and (b) the thermal efficiency for this heat engine. (c) if the temperature of the river is 15°c, what is the temperature of the furnace?

Answer :

Other Questions

The graph depicts the temperature cures for two substances labeled as substance X and y Why does the temperature rem lain constant as heat is added to each subs

each of the following situations involves the flow of heat energy. for each scenario, specify the primary mode (conduction, convection, or radiation) by which t

compared to the radiant heat energy generated by the sun reaching the earth’s surface, the amount of energy flowing from the interior of the earth is:

Here is a table showing the temperatures of some objects and their surroundings. Which object(s) will change temperature fastest? C B A Object A B C Temperature

inner parts of the flattening cloud begin to fall freely inward, raining down on growing object at the center. gravitational potential energy of collapsing gas

the length of a proposed submarine is 100 m and the planned speed is 20 km/hr. in order to estimate the power requirements for the propulsion system, the vehicl

the magnetic portion of a standard circuit breaker? select one: a. provides an instantaneous trip for high levels of current b. protects the circuit from heat d

a train slows down as it rounds a sharp horizontal turn, going from 96.0 km/h to 58.0 km/h in the 16.0 s that it takes to round the bend. the radius of the curv

suppose oil spills from a ruptured tanker and spreads in a circular pattern. if the radius of the oil spill increases at a constant rate of 2 m/s, exactly how f

for the charge distribution provided, indicate the region (a to e) along the horizontal axis where a point exists at which the net electric field is zero.