CE Basic Chapter 1
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
