MEP Exam three UPDATED ACTUAL
Exam Questions and CORRECT Answers
two forms of energy are - CORRECT ANSWER - Potential and Kinetic
major forms of energy used to produce electricity through a generator include - CORRECT
ANSWER - fossil, nuclear, hydroelectric
DC voltage is used in residential, commercial, and industrial lighting and power distribution
systems - CORRECT ANSWER - False
Polarity is positive and negative state of an object - CORRECT ANSWER - true
A capacitor is a device that converts AC to DC by only allowing current to move in one direction
- CORRECT ANSWER - false
DC voltage is the most common type of voltage used to produce work - CORRECT
ANSWER - false
an alteration is a symmetrical waveform that contains 360 electrical degrees - CORRECT
ANSWER - false
Electron current flow is current flow from negative to positive - CORRECT ANSWER -
true
apparent power is the actual power used in a electrical system - CORRECT ANSWER -
false
true power is always less than apparent power in any circuit in which there is a phase shift
between voltage and current - CORRECT ANSWER - true
, in phase is the state when voltage and current reach their max amplitude and zero level
simultaneously - CORRECT ANSWER - true
power factor is expressed as a fraction - CORRECT ANSWER - false
an insulator is a material that has very little resistance and permits electrons to move through it
easily - CORRECT ANSWER - false
heat is thermal energy - CORRECT ANSWER - true
energy is measured in BTU or Cal - CORRECT ANSWER - false
all heating elements produce heat - CORRECT ANSWER - true
thermal conductivity is the property of a material to conduct heat in the form of thermal energy -
CORRECT ANSWER - true
the color of light is determined by its wavelength - CORRECT ANSWER - true
the infrared region is the region of the spectrum with wave lengths just short of the color violet -
CORRECT ANSWER - false
the inverse square law states that the amount of illumination on a surface varies inversely with
the square of the distance from the light source - CORRECT ANSWER - true
Major sources of energy are coal, oil and - CORRECT ANSWER - gas
An _____ is half of a cycle - CORRECT ANSWER - phase shift
Exam Questions and CORRECT Answers
two forms of energy are - CORRECT ANSWER - Potential and Kinetic
major forms of energy used to produce electricity through a generator include - CORRECT
ANSWER - fossil, nuclear, hydroelectric
DC voltage is used in residential, commercial, and industrial lighting and power distribution
systems - CORRECT ANSWER - False
Polarity is positive and negative state of an object - CORRECT ANSWER - true
A capacitor is a device that converts AC to DC by only allowing current to move in one direction
- CORRECT ANSWER - false
DC voltage is the most common type of voltage used to produce work - CORRECT
ANSWER - false
an alteration is a symmetrical waveform that contains 360 electrical degrees - CORRECT
ANSWER - false
Electron current flow is current flow from negative to positive - CORRECT ANSWER -
true
apparent power is the actual power used in a electrical system - CORRECT ANSWER -
false
true power is always less than apparent power in any circuit in which there is a phase shift
between voltage and current - CORRECT ANSWER - true
, in phase is the state when voltage and current reach their max amplitude and zero level
simultaneously - CORRECT ANSWER - true
power factor is expressed as a fraction - CORRECT ANSWER - false
an insulator is a material that has very little resistance and permits electrons to move through it
easily - CORRECT ANSWER - false
heat is thermal energy - CORRECT ANSWER - true
energy is measured in BTU or Cal - CORRECT ANSWER - false
all heating elements produce heat - CORRECT ANSWER - true
thermal conductivity is the property of a material to conduct heat in the form of thermal energy -
CORRECT ANSWER - true
the color of light is determined by its wavelength - CORRECT ANSWER - true
the infrared region is the region of the spectrum with wave lengths just short of the color violet -
CORRECT ANSWER - false
the inverse square law states that the amount of illumination on a surface varies inversely with
the square of the distance from the light source - CORRECT ANSWER - true
Major sources of energy are coal, oil and - CORRECT ANSWER - gas
An _____ is half of a cycle - CORRECT ANSWER - phase shift
