General Science and Electrical Principles Exam Review

Chapter 16: Practice Exam 1

Subtest 1: General Science

• Duration: 11 minutes for 25 questions
• Objective: Assess knowledge of general science principles typically covered in high school.
• Instructions: Select the best answer for each question and mark the corresponding letter on the answer sheet.

Questions:

Question 1: Greek God of the Sky

• Which planet is named after the Greek god who personified the sky?
  • (A) Earth
  • (B) Mars
  • (C) Pluto
  • (D) Uranus

Question 2: Carnivores

• An animal that eats only meat is called a(n)
  • (A) omnivore
  • (B) herbivore
  • (C) carnivore
  • (D) voracious

Question 3: Chemical Process

• The chemical process in which electrons are removed from a molecule is called:
  • (A) respiration
  • (B) recreation
  • (C) oxidation
  • (D) metabolism

Question 4: Quanta

• What is a single unit of quanta called?
  • (A) quantum
  • (B) quantumonium
  • (C) quantus
  • (D) quanfactorial

Question 5: Speed of Light

• Light waves travel at a rate of about:
  • (A) 186,000 miles per hour
  • (B) 186,000 miles per minute
  • (C) 18,600 miles per hour
  • (D) 186,000 miles per second

Question 6: Largest Planet

• The largest planet in the solar system is:
  • (A) Earth
  • (B) Mars
  • (C) Saturn
  • (D) Jupiter

Question 7: Body Systems - Intestines

• The intestines are part of the:
  • (A) circulatory system
  • (B) nervous system
  • (C) respiratory system
  • (D) digestive system

Question 8: Joints

• Joints that hold bones firmly together are called:
  • (A) hinge joints
  • (B) ball and socket joints
  • (C) fixed joints
  • (D) pivot joints

Question 9: Classification of Living Organisms

• Of the levels listed, the top or broadest level of the classification system for living organisms is called the:
  • (A) class
  • (B) phylum
  • (C) kingdom
  • (D) genus

Question 10: Brightest Planet

• Which planet is the brightest object in the sky, aside from the sun and moon?
  • (A) Saturn
  • (B) Pluto
  • (C) Venus
  • (D) Mercury

Question 11: Human Heart Chambers

• The human heart includes:
  • (A) 2 chambers
  • (B) 3 chambers
  • (C) 4 chambers
  • (D) 5 chambers

Page 2: Practice ASVAB Exams

Question 12: White Blood Cells

• White blood cells:
  • (A) produce antibodies
  • (B) fight infections
  • (C) carry oxygen and carbon dioxide
  • (D) both A and B

Question 13: Protein in Foods

• A measurable amount of protein can be found in all of the following foods EXCEPT:
  • (A) eggs
  • (B) meat
  • (C) peas
  • (D) apples

Question 14: Abundant Element in Earth's Crust

• What is the most abundant element, by mass, in the Earth's crust?
  • (A) carbon
  • (B) oxygen
  • (C) gold
  • (D) salt

Question 15: Osmosis Definition

• Osmosis is:
  • (A) diffusion of water
  • (B) transfer of oxygen
  • (C) low blood sugar
  • (D) protein

Question 16: Length of Meter

• A meter consists of:
  • (A) 10 centimeters
  • (B) 100 millimeters
  • (C) 100 centimeters
  • (D) 10 millimeters

Question 17: Light-Year Definition

• One light-year is:
  • (A) the distance traveled by light in one year
  • (B) the brightness of light at 30,000 miles
  • (C) 17 standard Earth years
  • (D) Spock's birthday

Question 18: Electrons

• Electrons are particles that are:
  • (A) positively charged
  • (B) neutral
  • (C) able to move freely
  • (D) negatively charged

Question 19: Asteroid Belt Location

• The asteroid belt is located:
  • (A) around Mercury
  • (B) between Mars and Jupiter
  • (C) inside the orbit of Venus
  • (D) There is no such thing as an asteroid belt

Question 20: Atomic Number

• The atomic number of an atom is determined by:
  • (A) the size of its nucleus
  • (B) the number of protons
  • (C) the number of electrons
  • (D) its location in the periodic table

Question 21: Control Center of a Cell

• The "control center" of a cell is called the:
  • (A) nucleus
  • (B) compound
  • (C) mitochondria
  • (D) atom

Question 22: Planets with Rings

• How many planets in the solar system have rings?
  • (A) one
  • (B) two
  • (C) three
  • (D) four

Question 23: Equilibrium Temperature

• The temperature at which a substance's solid and liquid states exist in equilibrium is its:
  • (A) melting point
  • (B) boiling point
  • (C) anti-freezing point
  • (D) concentration point

Page 3: Electrical Concepts

Question 24: BTU Definition

• A 5,000 BTU air conditioner can efficiently cool up to 150 square feet, or a 10-foot x 15-foot room. What does BTU stand for?
  • (A) basic thermal unit
  • (B) basic temperature unit
  • (C) British thermal unit
  • (D) none of the above

Question 25: Definition of Current

• Which is the most correct definition of current?
  • (A) the measure of electrical pressure
  • (B) the amount of electricity used in a heater
  • (C) the electricity used in heating a kilo of water
  • (D) the presence of electron flow

Question 26: Energy Transformation

• A device that transforms energy from one form to another is called:
  • (A) a capacitor
  • (B) a transducer
  • (C) a transformer
  • (D) magic

Question 27: Active Element

• Which one of the following is an active element?
  • (A) 15 k resistor
  • (B) 10 mH inductor
  • (C) 25 pF capacitor
  • (D) 10 V power supply

Question 28: Current Draw

• A light bulb is 60 watts. Operated at 120 volts, how much current does it draw?
  • (A) 0.5 amperes
  • (B) 5.0 amperes
  • (C) 50.0 amperes
  • (D) 7,200 amperes

Question 29: Fuse Rating

• A fuse with a higher-than-required rating used in an electrical circuit:
  • (A) improves safety
  • (B) increases maintenance
  • (C) may not work properly
  • (D) is less expensive

Question 30: Neutral Wire Color

• Neutral wire is always:
  • (A) whitish or natural
  • (B) black
  • (C) green with stripes
  • (D) blue

Question 31: Measuring Electrical Power

• To measure electrical power, you would use a(n):
  • (A) ammeter
  • (B) ohmmeter
  • (C) voltmeter
  • (D) wattmeter

Question 32: Incandescent Bulb Operation

• What will happen if you operate an incandescent light bulb at less than its rated voltage?
  • (A) The bulb will burn brighter and last longer
  • (B) The bulb will burn dimmer and last longer
  • (C) The bulb will burn brighter but won't last as long
  • (D) The bulb will burn dimmer but won't last as long

Question 33: Wire Size Comparison

• A number-12 wire, compared to a number-6 wire:
  • (A) is longer
  • (B) is shorter
  • (C) is smaller in diameter
  • (D) is larger in diameter

Page 5: Miscellaneous Definitions

Question 34: Meaning of Compensation

• Compensation most nearly means:
  • (A) religion
  • (B) commission
  • (C) boathouse
  • (D) shower

Question 35: Meaning of Brusque

• He gave a brusque account of the events.
  • (A) passionate
  • (B) lengthy
  • (C) uncensored
  • (D) concise

Question 36: Demise Definition

• The vote resulted in the demise of the proposed new law.
  • (A) passage
  • (B) death
  • (C) postponement
  • (D) abatement

Question 37: Commemoration

• We commemorated our veterans during the ceremony.
  • (A) denied
  • (B) remembered
  • (C) thanked
  • (D) took pictures of

Question 38: Bore Meaning

• Bore most nearly means:
  • (A) deepen
  • (B) hide
  • (C) burrow
  • (D) jump

Question 39: Defray Meaning

• Defray most nearly means:
  • (A) invade
  • (B) obstruct
  • (C) pay
  • (D) reverse

Question 40: Chasm Meaning

• Chasm most nearly means:
  • (A) abyss
  • (B) sky
  • (C) mountain
  • (D) valley

Question 41: Fundamental Meaning

• Fundamental most nearly means:
  • (A) radical
  • (B) religious
  • (C) basic
  • (D) excessive

Question 42: Susceptible Meaning

• Susceptible most nearly means:
  • (A) travel
  • (B) resistant
  • (C) limited
  • (D) vulnerable

Question 43: Emblem Meaning

• Emblem most nearly means:
  • (A) symbol
  • (B) picture
  • (C) statue
  • (D) religion

Question 44: Prevails Meaning

• That custom still prevails.
  • (A) angers
  • (B) persists
  • (C) surprises
  • (D) excites

Page 6: Ohm's Law and Resistance

Question 45: Ohm's Law

• Ohm's law states:
  • (A) Voltage = Current × Resistance
  • (B) Amperes = Current × Resistance
  • (C) Voltage = Resistance + Amperes
  • (D) Ohms = Current + Voltage

Question 46: Resistor Color Bands

• A resistor's first three color bands are brown, black, and red. What is its value?
  • (A) 1,000 ohms
  • (B) 500 ohms
  • (C) 500 volts
  • (D) 50 volts

Question 47: Equipment Standards

• In the U.S., all metal equipment, electrical or not, connected to a swimming pool must be:
  • (A) freestanding
  • (B) bonded together
  • (C) certified
  • (D) none of the above

Question 48: Voltage Definition

• Voltage can also be expressed as:
  • (A) watts
  • (B) amps
  • (C) current
  • (D) electrical potential difference

Question 49: Memory Card in Cell Phones

• Newer cell phones contain a removable memory card, which is often called a:
  • (A) SIM card
  • (B) DIM chip
  • (C) PIN card
  • (D) PIN chip

Question 50: Resistor Function

• Made from a variety of materials, such as carbon, this inhibits the flow of current:
  • (A) resistor
  • (B) diode
  • (C) transformer
  • (D) generator

Question 51: Type of Semiconductor

• This is a type of semiconductor that only allows current to flow in one direction. It is usually used to rectify AC signals (conversion to DC):
  • (A) capacitor
  • (B) inductor
  • (C) diode
  • (D) transformer

Question 52: Radar Frequencies

• Radar can operate at frequencies as high as:
  • (A) 100,000 Hz
  • (B) 100,000 kHz
  • (C) 100,000 MHz
  • (D) 500,000 MHz

Question 53: AC and DC Definitions

• What do AC and DC stand for in the electrical field?
  • (A) amplified capacity and differential capacity
  • (B) alternating current and direct current
  • (C) accelerated climate and deduced climate
  • (D) none of the above

Question 54: AC to DC Conversion

• Changing AC to DC is called what?
  • (A) capacitance
  • (B) impedance
  • (C) rectification
  • (D) induction