CE Basic Chapter 1

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Capacitive reactance is measured in what?

Ohm

What is the product of 21.34 and 5.964?

127.271

If a concrete block measures 17 feet square and is 6 inches thick, its volume is

144.5 cu yd

3/4 x 5/8 =

15/32

The area of a circle with a 14 foot diameter is

153.86 Sq feet

1/4 and 3/16

16

The volume of a cylinder that is 6 centimeters in diameter and 60 centimeters high is

1810.6 cu cm

How many electrons in a valence rings is called a good conductor?

2

What is the square root of 8?

2.828

What is the result of dividing 246.81 by 12.3?

20.07

The volume of a 3 centimeter cube is

27 cu cm

2/16 + 1/4 =

3/8

The area of a rectangle that is 8 feet long and 4 feet wide is

32 Sq feet

On a scale drawing, if 1/4 of an inch represents a distance of 1 foot, what length does a line on the drawing measuring 8 1/2 inches long represent?

34 feet

What is 33% of 120?

39.6

How many stages does a capacitor perform?

4

The volume of a triangular shape that has a 6 inch base, a 2 inch height, and a 4 inch length is

48 sq in

What is the sum of 54.32 and 1.786?

56.106

If you have 50 Construction Electricians (CEs) and 10 Steel Workers (SWs), what is the ratio of SWs to CEs in simplest terms?

5:1

What is the difference between 65.43 and 2.897?

62.533

What percent of 8 is 6?

75%

What is another name for secondary cell batteries?

accumulators

How long does it take to complete one continuous sine wave?

0.25 seconds

9/12 + 2/8 =

1

5/8 ÷ 1/2 =

1 1/4

6/8 - 1/4 =

1/2

8/16 x 32/64 =

1/4

4/9 - 1/3 =

1/9

2/6 and 3/4

12

The area of a triangle with a base of 4 feet and a height of 6 feet is

12 sq feet

Which type of electrical equipment used for overcurrent protection?

Circuit breaker

Calculation of voltage per Ohm's Law is accomplished by using which of the following formulas?

E=IxR

9 inches = .95 feet

False

For questions 33 and 34, is the fraction on the right the lowest term for each fraction on the left? 33. 6/16 = 2/8

False

Is 2/5 = 0.67?

False

True/False) Apparent power is the voltage times the current in any circuit.

False

What unit of measurement is used for capacitance?

Farad

What is the symbol for Inductance?

L

Effective value is also known as which of the following terms?

RMS

What is defined as the total opposition to flow in an AC circuit?

Resisitance

Which of the following symbols represents rheostat?

Resistor with arrow pointing at it

Based on the number 14,607, the numeral 4 is in what place?

Thousands

Is 7/8 = 0.875?

True

Which of the following has NO effect on current?

air pressure

Which of the following is the correct unit of measurement for current?

amp

When a conductor is formed into a coil it becomes which of the following electrical items?

capacitor

How does a battery produce Direct Current?

chemical energy to electrical energy

Uniform movement of electrons in a specific direction is known as what?

current flow

Which of the following statements is true?

current inversely proportional to resistance

What is the term for a straight line through a circle that runs from one point on the outside of the circle to another point directly on the outside of the circle?

diameter

Which of the following principles does an AC generator used to generate current?

electromagnetic

Increase in voltage in a circuit will cause current to what?

increase

What type of test equipment is utilized to measure AC in a sine wave format?

oscilloscope

What term is utilized when the amount of voltage reaches the maximum positive position on a sine wave?

peak value

Conductor must be moved in what direction to produce electricity in a DC generator?

perpendicular

Opposition to current flow best describes which of the following terms?

resisitance

(True or False) DC is a constant output that does not vary with respect to time.

true

10 inches = .83 feet

true

4/8 = 1/2

true


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