A steam engine delivers 5.4 × 10^8 J of work per minute and services 3.6 × 10^9 J of heat per minute from its boiler. What Is the efficiency of the heat engine? A steam engine delivers 5.4 × 10^8 J of work per minute and services 3.6 × 10^9 J of heat per minute from its boiler. What Is the efficiency of the heat engine? September 12, 2021 Category: Chapter 15 - Thermodynamics , MTG NEET Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related