Answer:
The first one A, " These are lines of equal air pressure".
Explanation:
Answer:
i hope this helps.
Explanation:
they are used for breaking concrete, can be positioned to break vertical and overhead surfaces, allows precisely chip away only specific areas.
Answer:

Explanation:
The turbine is modelled after the First Law of Thermodynamics:

The work done by the turbine is:

The properties of the water are obtained from property tables:
Inlet (Superheated Steam)



Outlet (Superheated Steam)



The work output is:


Annual Payment where F is accumulated sum of amount, n is number of years and i is annual rate of interest. The standard notation equation is in the image since i can’t type it-