What is a good insulator?

What is a good insulator? Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such as saucepan handles, to stop heat from flowing up to burn the cook’s hand. Plastic coating is also used to cover most electrical wires in appliances. Air is also a good insulator of […]

Why is a sit up a second class lever?

Why is a sit up a second class lever? Second-Class Levers In a second-class lever, the resistance lies between the fulcrum and the force, as in a wheelbarrow. Exercises that require plantarflexing the ankle, such as seated or standing calf raises, employ a second-class lever. What’s an example of a second class lever? In a […]

What are the hardest airports to land at?

What are the hardest airports to land at? In no particular order, we’ve put together a list of the 25 most dangerous airports in the world that are every pilot’s worst nightmare! Courchevel Airport, France. Princess Juliana Airport, Caribbean. Matekane Air Strip, Lesotho. Tioman Island Airport, Malaysia. Juancho Airport, Caribbean. Gibraltar Airport. What is the […]

What are the rules for cyclists?

What are the rules for cyclists? You should: keep both hands on the handlebars except when signalling or changing gear. keep both feet on the pedals. never ride more than two abreast, and ride in single file on narrow or busy roads or when riding round bends. not ride close behind another vehicle. Do road […]

Should I buy a 10 year old hybrid?

Should I buy a 10 year old hybrid? If you compare a 10 year old usual gas car with a 10 year old hybrid car, the only thing you have to think about is the life span of the hybrid battery. These batteries can collapse, but ten year old IC engines and torque converter transmissions […]

Does frequency change power?

Does frequency change power? Frequency of the system will vary as load and generation change. Increasing the mechanical input power to a synchronous generator will not greatly affect the system frequency but will produce more electric power from that unit. Can I use a 60 Hz device in a 50 Hz power frequency? Electrical machines […]

Who pushed for the immigration act of 1965?

Who pushed for the immigration act of 1965? Johnson signed into law the Immigration and Nationality Act of 1965. Commonly known as the Hart–Celler Act after its two main sponsors—Senator Philip A. Hart of Michigan and Representative Emanuel Celler of New York—the law overhauled America’s immigration system during a period of deep global instability. Why […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top