Aheat engine operates between thermal reservoirs of 1000k and 400k. it receives heat at a rate of 200 kw and rejects it at a rate of 90 kw a)- what is it's thermal efficiency b)- what is the maximum possible thermal efficiency?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan