Which electrical protective device is designed to detect a difference in current between circuit wires and interrupt the circuit and stop the flow of electricity? circuit breaker What type of safety devices are used in electric circuits? Electric fuse is the safety device used in electric circuit which follows the heating effect of electric current […]
Who has to comply with OSHA?
Who has to comply with OSHA? Congress created OSHA to assure safe and healthful conditions for working men and women by setting and enforcing standards and providing training, outreach, education and compliance assistance. Under the OSHA law, employers are responsible for providing a safe and healthful workplace for their workers. Which of the following are […]
How do you measure 1/8 of a teaspoon?
How do you measure 1/8 of a teaspoon? Likewise, if you have larger hands, use a little less than what is suggested below. 1/8 teaspoon = 1 pinch between thumb, index and middle fingers. 1/4 teaspoon = 2 pinches between thumb, index and middle fingers. 1/2 teaspoon = Cup your hand, pour a quarter sized […]
What is C3S in cement?
What is C3S in cement? It is the hydration of the calcium silicate, aluminate, and aluminoferrite minerals that causes the hardening, or setting, of cement. The ratio of C3S to C2S helps to determine how fast the cement will set, with faster setting occurring with higher C3S contents. Lower C3A content promotes resistance to sulfates. […]
What is ferrite cementite austenite and pearlite?
What is ferrite cementite austenite and pearlite? The alpha phase is called ferrite. Ferrite is a common constituent in steels and has a Body Centred Cubic (BCC) structure [which is less densely packed than FCC]. Fe3C is called cementite and lastly (for us), the “eutectic like” mixture of alpha+cementite is called pearlite. What is ferrite […]
What is the salary range for a mechanical engineer?
What is the salary range for a mechanical engineer? in Sydney Area Salaries Job Title Location Salary Downer Mechanical Engineer salaries – 3 salaries reported Sydney Area A$102,606/yr Aurecon Mechanical Engineer salaries – 3 salaries reported Sydney Area A$77,783/yr University of NSW Mechanical Engineer salaries – 2 salaries reported Sydney Area A$88,283/yr What can Mechanical […]
What is the function of directional control valve?
What is the function of directional control valve? What is the function of a directional control valve? A directional control valve is the extend and retract control for your hydraulic cylinders. It provides a flow path from the pump to the cylinders and a return path from the cylinders to the fluid reservoir. What is […]
What are the macronutrients and their functions to the body?
What are the macronutrients and their functions to the body? Macros are macronutrients. Your body needs these nutrients in larger amounts in order to function properly as macro means large. In addition, all of these nutrients provide your body with energy measured in the form of calories or kcals. There are three types of macronutrients: […]
Which of the following causes stress concentration?
Which of the following causes stress concentration? Stress concentrations occur when there are irregularities in the geometry or material of a structural component that cause an interruption to the flow of stress. This arises from such details as holes, grooves, notches and fillets. Stress concentrations may also occur from accidental damage such as nicks and […]
What is mgso4 used for in chemistry?
What is mgso4 used for in chemistry? Magnesium sulfate is an inorganic salt (chemical compound) containing magnesium, sulfur and oxygen, with the formula MgSO4. It is often encountered as the heptahydrate sulfate mineral epsomite (MgSO4ยท7H2O), commonly called Epsom salt. Anhydrous magnesium sulfate is used as a drying agent. What is magnesium sulfate used for in […]