Mechanical Engineers Rocks. - BRUSH-UP YOUR KNOWLEDGE: What is the difference between heat pump and heat engine? Ans:-A heat pump is a machine or device that transfers thermal energy from one location,
![Illustration of a heat pump driven by a driver (linear motor) (a) and a... | Download Scientific Diagram Illustration of a heat pump driven by a driver (linear motor) (a) and a... | Download Scientific Diagram](https://www.researchgate.net/publication/269991387/figure/fig1/AS:295006368747523@1447346407353/llustration-of-a-heat-pump-driven-by-a-driver-linear-motor-a-and-a-high-temperature.png)
Illustration of a heat pump driven by a driver (linear motor) (a) and a... | Download Scientific Diagram
![thermodynamics - Why won't the efficiency of a heat pump increase when $T_\mathrm{cold}$ decreases? - Physics Stack Exchange thermodynamics - Why won't the efficiency of a heat pump increase when $T_\mathrm{cold}$ decreases? - Physics Stack Exchange](https://i.stack.imgur.com/vtb7E.png)