E. All of the above

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 What does NFPA stand for?
a. National Fire Protection Agency
b. National Fire Protection Association***
c. National Fire Protection Act
d. National Fire Prevention Association
 
Approximately, what speed does electricity travel at?
a. sound
b. light***
c. 30,000 km/s
d. 300,000 km/s
 
A circuit is:
a. a continuous path for a current to flow***
b. a material with low resistance
c. a flow of electricity
d. a material that impedes flow

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1. Voltage is a measurement of ?
A. length
B. current
C. pressure
D. weight
 
2. Amperage is a measure of ?
A. current
B. pressure
C. work
D. force
 
3. Torque is measured in
A. ounces
B.  power
C.  time
D.  ft -lbs

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 1.  What is an advantage of using a chain over a belt?
a.  able to transmit greater amounts of power
b.  safer
c.  almost zero slip
d.  a&b - correct
 
2.  What organization put together the National Electric Code?
a.  United States Department of Agriculture
b.  US Occupational Safety & Health Administration
c.  National Fire Protection Association - correct
d.  National Safety Council
 
3.  Resistance is impacted by
a.  length
b.  temperature
c.  type of material
d.  all of the above - correct
 

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Horsepower is equal to all of these EXCEPT?
a. 33,000ft-lb/min
b. 550ft-lb/sec
c. 746 Watts
d. 315 Jewells
answer d. 315 Jewells
 
If their is a gear with 40 teeth that has a speed of 288 what is the ~RPM of the sprocket that has 29 teeth?
a. 100 RPM
b. 200 RPM
c. 300 RPM
d. 400 RPM
answer ~400 RPM
 
If you took 3 readings in three different locations within a circuit with an ammeter and got 1.5 amps everytime your are most likely dealing with what type of circuit?
a. Series
b. Parallel
c. A circuit with Both series and Parallel
d. Neither one will give such a reading
answer a. Series

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what is an ohm?
A. resistance
B. flow
C. shock
D. all of the above
 
what's is the gain from a parallel circuit?
a. take the light bulb out of a circuit and the others stay on
b. take the light bulb out of a circuit and the others are brighter
c. take the light bulb out of a circuit and the others blink
d. none of the above
 
if you take a light bulb out of a string of christmas lights that are in series what happens?
a. all lights go out
b. lights blink
c. lights bust
d. none of the above

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1. What advantage does a belt have over a chain?
 A. A belt does not slip.
 B. A belt can handle higher RPM's
 C. Belts transmit greater power.
Answer is B
 
2. What does it mean when you say when you have a 60 watt light bulb?
 A. 60 Watts/hour
 B. 60 Watt/day
 C. 60 Watts/minute
Answer is A
 
3.  What is the equation for calculating amps for a parallel circuit?
A. At=A1=A2=A3....An
B. At=A1+A2+A3+...An
Answer is B.

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1.                  What is the equation for power?

A.                 work/distance

B.                 work/time

C.                 rpm/time

D.                 none of the above

 

 

2.                  If a 6 inch diameter pulley is turning at 500 Rpm and it is driving a v-belt which is turning a 12 inch pulley how fast is the 12 inch pulley turning?

A.                 250 rpm

B.                 1000 rpm

C.                 500 rpm

D.                 2000 rpm

3.                  What advantage might there be to using a chain drive over a v-belt?

A.                 stop slippage

B.                 it will slow rpm down

C.                 both a and b

D.                 none of the above.

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Which circuit is the one where there is only one path for electricity to flow?
A.  Parallel Circuit
B.  Series Circuit
C.  Gap Circuit
D.  Movie Circuit
Answer:B
 
Which circuit has multiple paths for electricity to flow?
A.  Parallel Circuit
B.  Series Circuit
C.  Gap Circuit
D.  Movie Circuit
Answer:A
 
What is Torque?
A.  Rate of doing work
B.  The application of force through a lever arm
C.  result of force
D.  Work
Answer:B

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1.    The action that causes or tends to cause motion or change in motion is know  as what?

A) Work
B) Force
C) Distance
D) Power

2.    In pulleys, how would a person go about changing the direction of one of the pulleys?

A)    Set a pulley in the middle of the belt?
B)    Set a pulley to be an idler?
C)    Cross the belts?
D)    Put a chain on the pulley?

3.    In a parallel circuit how would you go about finding total volts?

A)    Vt = V1 + V2 + V3 + …Vn
B)    At = A1 + A2 + A3 + …An
C)    Vt = V1 = V2 = V3 = …Vn
D)  At = A1 = A2 = A3 = …An

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1.)  Generally the movement from one point to another is referred to as:
      A.)  Force
      B.)  Time
      C.)  Work
      D.)  Distance
The answer is D
 
2.)  RPM stands for: 
     A.)  Resolutions per Minute
     B.)  Revolutions per Minute
     C.)  Restrictions per Measurements
     D.)  Results per Minutes
The answer is B
 
3.)  When looking at Voltage Drop, you need to find a percent that is recommended, what must that percent range be?
     A.)  10-20%
     B.)  2-3%
     C.)  30-45%
     D.)  4-5%
The answer is B

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1.  What is Current?
     A.  Flow of electrons through a conductor.
     B.  Unit of electrical power.
     C.  Flow of a river towards the ocean.
     D.  Pressure in a Circuit.
 
2.  What is a conductor?
     A.  A material with high resistance to the flow of electricity.
     B.  A continuous path for electricity to flow.
     C.  A material with low resistance to the flow of electricity.
     D.  The operator of a train.
 
3.  What does NFPA stand for?
     A.  National Forestry Protection Association
     B.  National Fire Prevention Association
     C.  National Fudge Producers Association
     D.  Nevada Fire Prevention Association

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1. The formula Rt=R1+R2+R3+.........Rn is found in which of the following circuits.
 
a. a series                        <
b. an open circuit
c. a parallel
d. not found in a circuit
 
2. What is a an voltmeter not used for?
 
a. to test for volts
b. to to check for power losses across a parallel circuit
c. to check power on a series circuit?                  <
 
3. The formula for ohms is                    .
 
a. A-R-V=TR
b. TR=I x R
c. V= A x R                 <
d. A1=A2=A3.......A4

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1) How many techniques can be used to change the direction of pulleys and belts?
A)  One            
B) Two*            
C) Three          
D)  Four

2)  If you have gear A and gear B together and gear B is rotating clockwise, what direction would gear A rotate?
A)  Clockwise 
B)  Eastward  
C)  Counter- Clockwise*  
D)  Neutral

3)  What would happen to the speed of rotation if you replaced the driven pulley with a smaller pulley?  

A)  Stay the same   
B)  Decrease 
C)  Increase* 
D)  Driver pulley will stop turning

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1.) Torque is measured in:
   1. ft.-lb.
   2. lb.-ft.
   3. Joules

2.) What is the standard alternating current?
A. 50 Hrz.
B. 60 Hrz.
C. 40 Hrz.

3.) Which of the following is false for a parallel circuit?
A. VT = V1 + V2 + V3 … Vn
B. AT = A1 = A2 = A3 … An
C. RT = R1 + R2 + R3 … Rn
Answers: 1.B  2.B  3.C

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1.         What is the accepted and or desired percentage of voltage drop?
a)      5 – 7 %
b)      2 – 3 %
c)      11 – 13 %
-         correct answer, B.

2.         The formula for voltage is V= ______________?
a)      V = Ohms / Amps
b)      V = Amps / Ohms
c)      V = Amps * Ohms
-         correct answer, C.

3.         Alternating current in the USA switches from ( + / - ) 60 time per min. (60 hertz), what is it in Germany?
a)      50 hertz
b)      65 hertz
c)      55 hertz
-         correct answer, A.

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---

1)      An advantage of chains over belts is:
a.       Chains allow little or no slippage                            ********
b.      Chains allow you to change to the direction of rotation where belts do not
c.       Chains allow slippage giving some forgiveness to the system
d.      Chains will last forever and belts will not

2)      When comparing electricity to water, voltage is compared to __________________
a.       the amount flowing
b.      pressure            *********
c.       a leak
d.      a pipe

3)      An example of a resistance load would be ____________________
a.       an electric motor
b.      a transformer
c.       a florescent light
d.      a space heater   *********

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_________ is the flow of electrons through a conductor.
A    Current
B    Voltage
C     Conductor
D      Insulator

Electricity travels at
A    nearly the speed of light
B    60  mph
C   600 mph
D    the speed of electricity
 
_________ is the result of a forcing action through a distance
A  work
B  force
C  horsepower
D  torque
The answer for all three is  A

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1. Torque equals?  A
   A. Force x Radius
   B. Force x HP
   C. Power x Force
 
2. Amperage is?  B
   A. force that causes electrons to flow in a circuit
   B. measure of electricity flowing in a circuit
   C. continuous path for circuit flow
 
3. An example of an insulator is? B
   A. wood
   B. glass
   C. metal

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1.  One advantage a sprocket has over a belt is __________.
                    A.  its ability to slip when too much torque is applied
                    B,  its "0" slip capability
                    C.  its rotational speed
                    D.  its looks
      Answer: B
 
2.  Transmissions amplify torque, but __________ rotational speed.
                     A.  decrease
                     B.  increase
                     C.  do nothing to
                     D.  reverse
       Answer: A
 
3.  The measure of electricity flowing in a circuit.
                      A. Voltage
                      B.  Amperage
                      C.  Resistance
                      D.  Transformer
       Answer: B
 

---

Torque can be measured as________.
A. Force x Speed
B. Speed x Radius
C. Force x Radius
D. Radius x Horsepower
Correct- C.
 
A current that does not have constant voltage or polarity is _________.
A. Direct
B. Non-polar
C. Alternating
D. Voltage
Correct- C.
 
If you weigh 180 pounds and run 1 mile, how much work is accomplished?
A. 950400 ft-lbs.
B. 1900800 ft-1bs.
C. 29.33 ft-lbs.
D. 58.66 ft-lbs.
Correct- A.

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1. How do you figure amperage
A. At=A1+A2+A3=...An
B. At=A1=A2=A3=...An
Answer B. At=A1=A2=A3=...An

2. Voltage is also known as
A. Amperage
B. Current
C. Pressure
D. Resistance
Answer C. Pressure

3. A one hundred watt light bulb burns __________ watts an hour.
A. 50
B. 100
C. 125
D. 150
Answer C. 100

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If you're hanging Christmas lights and notice that one bulb is burnt out but the others are still lit, you are working with a
A. Series circuit
B. Single circuit
C. Parallel circuit
D. It's not a circuit
 
Resistance is impacted by which of the following:
A. Temperature
B. Length
C. Type of material
D. All of the above
 
Which of the following equations is correct?
A. Watts = volts x amps
B. Power = amps + watts
C. Volts = resistance / ohms
D. Watts = (volts + amps) / resistance

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1. One hp is equal to
      A. 33,000ft-lb/min
      B. 30,000ft-lb/min
      C. 23,000ft-lb/min
      D. 35,000ft-lb/min
answer: A
 
2. In order to perform work on a box, the box must
     A. Move backwards
     B. Move forwards
     C. Be picked up
     D. Not move
     E. answers A,B, and C
answer: E
 
3. Ohm's Law is (using V for voltage, I for current, and R for resistance)
     A. V=R/I
     B. V=IR
     C. R=VI
     D. I=R/V
answer: B

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1. Voltage is like the ______________ of a garden hose.
    a. amount of water coming out
    b. pressure at which the water pushes
    c. stopped up section
    d. initial direction
    Ans. B
 
2.  Ohm's law is __________.
    a. Current x voltage = resistance
    b. current / resistance = voltage
    c. current x resistance = voltage
    d. voltage drop x resistance = current
  Ans. C
 
3. What is a power train?
    a.  A locomotive with lots of power
    b. all of the mechanical devices used to transfer power through a machine
    c. the substance that engines run off of
    d. the force that causes or tends to cause a twisting or rotary movement.
 Ans. B

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1.  According to Ohms Law, which of the following is incorrect for a parallel circuit?
A.  V = I*R
B.  RT = R1+R2+R3+...RN
C.  VT = V1+V2+V3+...VN
D.  AT = A1+A2+A3+...AN
Answer: C
 
2.  How much horsepower equals 10 kilowatts?
A.  10
B.  15
C.  20
D.  25
Answer: B
 
3.  In Ohms Law: R, I, & C represent
A.  Roughness, Intensity, and Clumsiness
B.  Amps, horsepower, and Volts
C.  Ohms, Amps, and horsepower
D.  Ohms, Amps, and Volts
Answer: D
 

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