5. The following data is provided to design a Pelton turbine: available head H = 400 m, turbine speed N = 800 rpm, power available at the shaft P = 15 MW, shaft jet ratio m = 8 and overall efficiency = 0. 82. Determine the Pelton wheel diameter, jet diameter and number of jets required, if speed ratio K = 0.46 and velocity coefficient C = 0.96.

What are the characteristics of oil pumps for boilers and engine generators? Select all that apply. A) They are self-priming. B) They are positive displacement. C) They are centrifugal or axial. D) They use pistons or gears.  Which of the following methods are used to change pump flow to match load in an operating system? Select all that apply. A) Staging of multiple pumps. B) Variable-speed drive.  Who sets standards for water quality? Select all that apply. A) National Institutes of Health. B) The Environmental Protection Agency. C) Local health departments. D) Department of Homeland Security. When would the peak load demand for an office building likely occur? A) Around quitting time on a summer afternoon. B) Noontime in summer. C) Start of the business day. Which of the following fires would constitute a Class B fire? 2) A) Involving combustible metals, such as magnesium. B) Involving wood, cloth, paper, rubber, and many plastics. C) Involving flammable liquids, oils, greases, tars…

Coolant condition can be tested with all the following tools EXCEPT: Select one: a. Hydrometer b. Barometer c. Refractometer d. Electronic tester

Q. Depth of oil having specific gravity 0.6 to produce a pressure of 3.6 kg/cm2 will be ?? Answer need in cm unit please.