Is a device that interrupts and de energizes an electrical circuit to protect a person from electrocution? Basic Safety A B Foot-candle A unit of measure of the intensity of light falling on a surface Ground The conducting connection between electrical equipment and the earth GFCI Ground fault circuit interrupter Ground fault circuit interrupter device […]
What is the main function of a needle valve?
What is the main function of a needle valve? Needle valves, sometimes referred to as plunger valves, are regulating valves and enable engineers to finely control and regulate water flow and pressure. Which pump is used for high pressure? Centrifugal pumps Why would water pressure suddenly drop? If you suddenly have no water pressure in […]
Who has the right of way at at intersection?
Who has the right of way at at intersection? Give way rules where there are no signs When turning at an intersection, you must give way to: Oncoming vehicles going straight ahead. Oncoming vehicles turning left. Any vehicle on your right. Who should you yield to if arriving at a controlled intersection at the same […]
Is there a demand for environmental engineers in the future?
Is there a demand for environmental engineers in the future? Job Outlook Employment of environmental engineers is projected to grow 3 percent from 2019 to 2029, about as fast as the average for all occupations. State and local governments’ concerns regarding water availability and quality should lead to efforts to increase the efficiency of water […]
At what concentration is ammonia hazardous?
At what concentration is ammonia hazardous? Ammonia is considered a high health hazard because it is corrosive to the skin, eyes, and lungs. Exposure to 300 parts per million (ppm) is immediately dangerous to life and health. Ammonia is also flammable at concentrations of approximately 15% to 28% by volume in air. What are the […]
How do you identify process improvements?
How do you identify process improvements? 4 Steps for an Effective Business Process Improvement Cycle Identify the need for change: The first step in the BPI process is to identify the need for change. Analyze current process: Once you have decided which process you are going to improve you need analyze the current procedure. Obtain […]
Why is it important to provide a means of venting gases from the mold cavity?
Why is it important to provide a means of venting gases from the mold cavity? Proper mold venting is essential for producing quality parts. During the molding process, the air contained in the mold needs a way to escape, otherwise the melt will compress and trap that air in the cavity. What is venting in […]
Is it easy to replace a rear derailleur?
Is it easy to replace a rear derailleur? Believe it or not, it’s not difficult to replace the rear derailleur yourself. Unscrew the derailleur from the derailleur hanger by inserting a hex wrench and turning counter-clockwise. The derailleur will now come away from the hanger. Remove the derailleur cable by loosening the hex bolt on […]
What does the stator do in an alternator?
What does the stator do in an alternator? The stator is fixed to the shell of the alternator, and does not turn. As the rotor turns within the stator windings, the magnetic field of the rotor sweeps through the stator windings, producing an electrical current in the windings. Because of the rotation of the rotor, […]
What are the strokes of a 4 stroke cycle?
What are the strokes of a 4 stroke cycle? An internal-combustion engine goes through four strokes: intake, compression, combustion (power), and exhaust. How many of the 4 strokes turn the engine? 2 How many times for every 4 strokes in a 4 stroke engine cycle does the crankshaft rotate? A 4-stroke engine fires once every […]