To what phmust the water be raised and maintained

Reference no: EM13534501

1.An offshore drilling rig is being towed out to sea. What is themaximum distance that the navigation lights can still be seen by anobserver standing at the shoreline? The observer's eye height is5'9", and the uppermost navigation light is 310 feet above the water.Give your answer in miles.

2.A water contains contains 2.0 meq/LCa2+ and 1.3 meg/L Mg2+. If one wanted to remove the hardness species by hydroxide precipitation, to what pHmust the water be raised and maintained in order for both calcium and magnesium toform hydroxide solids?

3.A zone in the CBD is projected to contain 1,525,000 ft2 ofresidential space; 3,675,000 ft2 of service establishments; and atotal retail activity floor area of 2,100,000 ft2. Governmentand other public buildings occupy a total area of 615,000ft2. Using the data calculate the trip generation of this zone.

Reference no: EM13534501

Questions Cloud

What is tanget distance : A 6 degree 30 minute who curve, whose degree is determine by a 100-ft chord , connect two tangent that intersect at an angle of 37 degree 18 minute calculate what is tanget distance?

What would be the capillary pressure between oil : Assume that the interfacial tension between oil-water is 22 dynes/cm and the contact angle through water is 93

What is the last station after the curves have been inserted : An 1100 ft. straight line route survey, which had PI’s at3+81.27 (I = 12o30’) and 5+42.30 (I = 10o56’), laterhad 600 ft radius simple curves inserted at each PI. Computethe following:

What is the water wett ability index for the core : A cylindrical core, completely saturated with oil up to immobile water saturation, is immersed in water and the measured volume of oil displaced by imbibition of water

To what phmust the water be raised and maintained : A water contains contains 2.0 meq/LCa2+ and 1.3 meg/L Mg2+. If one wanted to remove the hardness species by hydroxide precipitation, to what pHmust the water be raised and maintained in order for both calcium and magnesium toform hydroxide solids?

Show these stresses on sketches of the elements : A plastic bar fit snugly between rigid supports at room temp. (68)but with no initial stress. When the temperature of a bar israised to 160 F the compressive stress on an inclined plane pqbecomes 1700 psi. a) What is the shear stress on the planepq? ..

Find the velocity of the lower stage after the explosion : A two-stage rocket moves in space at a constant velocity of 4900 m/s. What is the velocity of the 2400 kg lower stage after the explosion

Design a 4-bitregister with two control inputs s1 and s0 : Design a 4-bitregister with two control inputs S1 and S0, four data inputs I3,I2,I1, I0, and four dataoutputs Q3, Q2, Q1, Q0. S1S0=00 means maintain the present value, S1S0=01means

Is the ray bent toward the normal or away from it : According to the photon energy formula, tripling the frequencyof the radiation from a monochromatic source will change the energycontent of the individually radiated photons by what factor?

User Account

All Pages