Advertisements
Advertisements
Question
The efficiency of a heat engine working between the freezing point and boiling point of water is ____________.
Options
6.25%
20%
26.8%
12.5%
Advertisements
Solution
The efficiency of a heat engine working between the freezing point and boiling point of water is 26.8%.
APPEARS IN
RELATED QUESTIONS
A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed has there been a transfer of heat?
Answer in brief:
A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed has work been done?
Answer in brief.
What sets the limits on the efficiency of a heat engine?
The figure shows the V-T diagram for one cycle of a hypothetical heat engine which uses the ideal gas. Draw the p-V diagram diagram of the system.

Explain the heat engine and obtain its efficiency.
Explain in detail the Carnot heat engine.
Derive the expression for Carnot engine efficiency.
Suppose a person wants to increase the efficiency of the reversible heat engine that is operating between 100°C and 300°C. He had two ways to increase efficiency.
- By decreasing the cold reservoir temperature from 100°C to 50°C and keeping the hot reservoir temperature constant
- by increasing the temperature of the hot reservoir from 300°C to 350°C by keeping the cold reservoir temperature constant.
Which is the suitable method?
10 One mole of a van der Waals' gas obeying the equation `("P" + "a"/"V"^2)`(V - b) = RT undergoes the quasi-static cyclic process which is shown in the P-V diagram. The net heat absorbed by the gas in this process is ______
Draw a neat labelled P - V diagram for a typical heat engine.
