What does a mechanical interlock do?

What does a mechanical interlock do? Mechanically interlocked circuit breakers are intended to prohibit both power sources from being simultaneously connected to the load. The interlocking system disables one circuit breaker by mechanically preventing handle movement from the Off position while the other circuit breaker is in the On position. How does an interlock control […]

How is the brain different from a computer?

How is the brain different from a computer? The brain uses chemicals to transmit information; the computer uses electricity. Even though electrical signals travel at high speeds in the nervous system, they travel even faster through the wires in a computer. A computer uses switches that are either on or off (“binary”). Is the human […]

What is a guaranteed maximum price GMP contract?

What is a guaranteed maximum price GMP contract? A guaranteed maximum price contract is a hybrid of a cost reimbursable contract and a fixed lump sum. A contractor is reimbursed the costs that it actually incurs when they are incurred, which assists with cashflow. However, unlike an alliance, those costs are capped at the Guaranteed […]

Why do poles repel each other?

Why do poles repel each other? When two like-poles point together, the arrows from the two magnets point in OPPOSITE directions and the field lines cannot join up. So the magnets will push apart (repel). What happens when two north poles are close to each other? In magnets like poles repel each other and unlike […]

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