The smallest size locking and grounding type receptacle that may be used to provide shore power for boats is _____.

a. 15A
b. 20A
c. 25A
d. 30A


d. 30A

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When a jogging circuit is used, the machine operator has ____ control of the motor drive.

a. close to full b. little c. instantaneous d. no

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The TerraMax truck currently being manufactured by Oshkosh Truck Co. is a driverless truck that is intended for military use. Such a truck frees person­nel to more effectively perform non-driving tasks, such as reading maps, scanning for roadside explo­sives, or scouting for the enemy. If such trucks can result in reduced injuries to military personnel amounting to $15 million 3 years from now, deter­mine the present worth of these benefits at an inter­est rate 10% per year, compounded semiannually.

What will be an ideal response?

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If a modern home is built too tightly, the air change rate per hour is reduced. What should be done to increase ventilation to safe levels?

A) Open the ground floor windows. B) Increase the blower fan speed. C) Use a mechanical ventilation system to bring in fresh air. D) Reduce the insulation in the home.

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When creating an on-delay relay, a(n) ____________________ is used to control the relay because the 555 timer may not be able to supply the current needed to operate it.

Fill in the blank(s) with the appropriate word(s).

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