Advanced functions. Functions are easy to create in Excel and, by design, they simplify and automate tasks that would otherwise be much more labor intensive. That said, there are a number of functions that, in practice, require some skill in order to solve complex problems.
While not officially called the Ram Air I when it was issued, it was indeed the first in a series of Ram Air V8 engines from Pontiac. This engine was installed in the 1967 GTO/Firebird as the top of the line option and at 360 hp (270 kW) (underrated), it was the most advanced 400 in the line.
Assume an engine that has 488 indicated horsepower at 5,900 rpm and 460 ft-lbs of torque at 4,600 rpm. Its measured brake output is 426 hp at 5,900 rpm and 420 ft-lbs of torque at 4,600 rpm. Calculate its mechanical efficiency from horsepower and then from torque.