Why is the mechanical advantage of a screw always greater than 1? The mechanical advantage of a screw is always greater than 1 because the output force applied by the screw is greater than the input force applied to the screw. What is a mechanical advantage less than 1? Mechanical advantage is defined as the […]
Where does hydro electricity come from?
Where does hydro electricity come from? Hydroelectric power is a renewable energy source which harnesses the power of moving water to produce electricity. The hydroelectric process starts long before you turn your light on at home or work. Large scale hydroelectricity projects typically involve dams. Which method is used to produce electricity in a hydroelectric […]
What is the focal length of a telescope?
How many amps can a Number 10 wire hold?
Can an engineering technologist become an engineer?
Can an engineering technologist become an engineer? Engineering technologists often assist engineers but after years of experience, they can also become engineers. Like engineers, areas where engineering technologists can work include product design (including improvement), fabrication and testing. What’s the difference between a technician and a technologist? While both technologist and technician jobs are interrelated, […]
When a disconnecting means must be located within sight from a motor the disconnect must be visible?
When a disconnecting means must be located within sight from a motor the disconnect must be visible? Section 430.102(B)(1) requires a disconnecting means for each motor, and it must be located in sight from the motor location and the driven machinery location. “Within Sight” is visible and not more than 50 ft from each other […]
What are the types of CMM?
What are the types of CMM? There are four main types of coordinate measuring machine (CMMs): bridge, cantilever, gantry and horizontal arm. The one you choose will be determined by what you wish to use it for. All CMMs have three orthogonal axes, X, Y and Z which operate in a 3D coordinate system. Which […]
Why does my quad not start?
Do safety glasses expire?
Do safety glasses expire? Most goggles and safety glasses can technically last up to 3 years, but there is a grey area between when something is usable and when safety has been compromised. How long should a pair of safety glasses last? one to three years What is the standard for safety glasses? ANSI Z87.1 […]
What is hydrodynamic and thermal boundary layer?
What is hydrodynamic and thermal boundary layer? This thin layer of changing velocity has been called the hydrodynamic boundary layer; a concept first suggested by Ludwig Prandtl in the year 1904. Heat transfer occurs due to heat conduction and energy transport by moving fluid within this thin layer. What is the difference between hydrodynamic and […]