(a) The calcium, magnesium, and iron hardness expressed as meq/L and as mg/L equivalent CaCO3. (b) The total hardness as meq/L and as mg/L equivalent CaCO3. (c) The alkalinity as meq/L and as mg/L equivalent CaCO3. (d) The nitrate as mg/L nitrogen (N). (e) The hydrogen and hydroxyl ion concentration in moles/L

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.