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Outdoor Power 1st Semester Exam Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+ $13.49
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Outdoor Power 1st Semester Exam Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+

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Outdoor Power 1st Semester Exam Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+Outdoor Power 1st Semester Exam Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+Outdoor Power 1st Semester Exam Questions with Detailed Verif...

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  • April 15, 2025
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Outdoor Power
  • Outdoor Power
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Outdoor Power 1st Semester Exam Questions with
Detailed Verified Answers (100% Correct Answers)
/Already Graded A+
The primary purpose of the ignition system of a small gas engine is to
provide sufficient electrical voltage to discharge ____________.
Ans: A spark between the electrodes of the spark plug.


The ignition system must be capable of producing as much as _____ volts
to force the electrical current across the plug gap.
Ans: 30,000
Exampromax - Stuvia US




A single cylinder, 4-cycle engine running at 3600 rpm requires ____
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ignition sparks per minute.
Ans: 1800


Magneto systems produce electrical current for ignition without a primary
source of ___________.
Ans: Electricity


In an ignition coil, the primary windings are ___________.
Ans: Heavy gage with few turns


List 3 characteristics the ceramic spark plug insulator must have.
Ans: High mechanical strength

Good heat conductor

Resistance to heat shock


Ribs on the ceramic spark plug insulator are there to prevent _________.

, 2 promax - Stuvia US 2025/2026

Ans: Flashover


A cold spark plug installed in a cool running engine will tend to ____.
Ans: Foul


In figuring spark plug heat range, the length of the _____________
determine how far and how well the heat travels.
Ans: Insulator nose


The hottest part of the spark plug is the ___ of the insulator.
Ans: tip
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Experiments show that pre-ignition is likely to occur if combustion
chamber temperature exceeds _______ in a 4 cycle engine.
Ans: 1750 degrees F


If the insulator tip temperature is below 700 degrees F plug _______ or
________ is likely to occur.
Ans: Fouling

Shorting


The breaker point contacts are made of ________
Ans: Tungsten


A(n) ___ ignition system is a flywheel magneto inductive system that
employs mechanical breaker contacts to time or trigger system.
Ans: MBI

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