What does interlocking do?

What will be an ideal response?


Interlocking prevents some action from taking place until some other action has been performed.

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What is the length of the following rod, in centimeters? Carry the answer to two decimal places.


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A financial services consulting company bought an office building for $900,000. The company has 10 professional staff members. Monthly expenses for salaries, utilities, grounds maintenance, etc. are $1.1 million. The average billing rate per profes­sional is $90 per hour. Use an interest rate of 1% per month and assume the building will have a re-sale value of $1.5 million after 10 years. (a) How many hours per month must be billed in order to make a profit of $15,000 per month? (b) How many hours per professional per month must be billed? (c) There are 260 eight-hour workdays per year. Of the total work hours available per month, what percentage does the hours per professional in part (b) represent?

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Which of these ATC output devices provides a feedback signal to the electronic control module (ECM)?

A) Blend door actuator B) Blower motor control C) Mode air door motor D) Air inlet door vacuum motor

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How are the three regular classes of fits for external and internal threads distinguished from one another?

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