How do we produce hydro electricity

Suppose a steam locomotive is rated at 7500 horsepower. If its efficiency is 6%, how much wood must be burned in a 3-hour trip? 1 hp = 750 W. Wood has an energy density of 20.0 MJ / kg.

What type of companies would employ in mechanics engineering

Compare the specific fuel consumption of a turbojet and a ramjet that are being considered for flight at M = 1.5 and 50,000 ft altitude (ambient pressure and temperature: 11.6 kPa and 205 K, respectively).

How does a carburetor work?

A train starts from rest at station A and accelerates at 0.5m/s^2 for 60 seconds. Afterwards it travels with a constant velocity for 15 minutes. It then decelerates at 1m/s^2 until t is brought to rest at station B.

There are six items to be rung up in the cash register. The first item costs $15.00. Each item after that costs an additional $2.00. (item #2 costs $17, item #3 costs $19, etc.

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.