Two inductors are connected in parallel to a 120-V, 60-Hz supply. The values of the inductors are 1.5 H and 2.5 H. The total inductive reactance is _____.

A. 525.5 ?
B. 533.49 ?
C. 942.5 ?
D. 1508 ?


Answer: B

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The lower the pH number, the more acidic a substance is

Indicate whether the statement is true or false

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Match the following nutritional terms with the correct definitions

a. carbohydrates d. vitamins b. nutrition e. nutrients c. water 1. substances necessary for the functioning of an organism 2. dissolved in body fats and stored in the body 3. main source of energy for the body 4. carries nutrients to cells, removes waste 5. processes by which all body parts receive and use materials necessary for growth, function, and renewal

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If the terminal voltage of the motor is reduced by 10%, what is the motor speed? Assume that the field voltage is also reduced by the same ratio.

A dc shunt motor is driving a constant-torque load at the rated speed and rated terminal voltage. The motor has the following rated data: Terminal voltage = 115 V Speed = 312 rpm Field constant (K?) = 3 Vs

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The device shown as a in the figure above is a _____



A) circuit breaker
B) thermal overload device
C) low-pressure switch
D) high-pressure switch

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