UTI Course 102: Chapter 1 Review

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Questions and Answers

What are the 4 types of driveline configurations?

  • FWD (correct)
  • 4X4 (correct)
  • RWD (correct)
  • AWD (correct)

What are the different types of transmission?

  • Manual (correct)
  • Electric/CVT (correct)
  • Automatic (correct)
  • Dual-clutch

Which transmission has variable forward and reverse ratios?

CVT

How do we calculate gear ratio?

<p>Driven/Driving</p> Signup and view all the answers

What is used with a fulcrum and multiplies force?

<p>Lever</p> Signup and view all the answers

How can gears fail?

<p>Contact fatigue, bending fatigue, wear</p> Signup and view all the answers

What is Torque?

<p>A rotational force</p> Signup and view all the answers

What is the ANSI rating for safety glasses required in UTI labs?

<p>Z87.1</p> Signup and view all the answers

What are the different types of fire extinguishers?

<p>Wood, paper, cloth, trash (A), Flammable liquids (B), Metal fires (C), Electrical fires (D)</p> Signup and view all the answers

How do we use a fire extinguisher?

<p>Pull the safety pin; Aim at base; Squeeze lever; Sweep from side to side</p> Signup and view all the answers

What two tools are used together to determine surface flatness?

<p>Straight edge and feeler gauge</p> Signup and view all the answers

What can a feeler gauge be made from?

<p>Steel, plastic, and brass</p> Signup and view all the answers

What is a Tap for?

<p>To make a smooth hole into a threaded hole</p> Signup and view all the answers

What is a Die for?

<p>To make a smooth shaft into a threaded shaft</p> Signup and view all the answers

What do we do to keep from breaking a Tap?

<p>Lubricate, work back and forth, and keep perpendicular</p> Signup and view all the answers

What happens if you break a Tap?

<p>It's difficult to remove and may require specialized tools or techniques.</p> Signup and view all the answers

What different ways can a dial caliper (Vernier caliper) measure?

<p>Outside, inside, and depth measurements</p> Signup and view all the answers

What are the 3 C's?

<p>Concern (A), Correction (B), Cause (D)</p> Signup and view all the answers

What do we verify first?

<p>The concern</p> Signup and view all the answers

How do we measure torque?

<p>We measure horsepower in torque</p> Signup and view all the answers

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Study Notes

Driveline Configurations and Transmissions

  • Four types of driveline configurations: FWD (Front-Wheel Drive), RWD (Rear-Wheel Drive), AWD (All-Wheel Drive), 4X4 (Four-Wheel Drive).
  • Types of transmissions include Automatic, Manual, and Electric/CVT (Continuously Variable Transmission).
  • CVT allows for variable forward and reverse ratios, providing seamless acceleration.

Gear Ratios and Tools

  • Gear ratio is calculated by dividing the driven gear by the driving gear.
  • A lever is a tool used in conjunction with a fulcrum to multiply force.
  • Gears may fail due to contact fatigue, bending fatigue, or wear over time.

Torque and Safety Standards

  • Torque is defined as a rotational force applied to an object.
  • ANSI Z87.1 is the required safety rating for safety glasses in UTI labs.

Fire Safety

  • Different types of fire extinguishers:
    • Class A for wood, paper, cloth, and trash
    • Class B for flammable liquids
    • Class C for electrical fires
    • Class D for metal fires
  • To use a fire extinguisher, remember: Pull the safety pin, Aim at the base, Squeeze the lever, and Sweep from side to side.

Measurement Tools and Techniques

  • Surface flatness can be determined using a straight edge combined with a feeler gauge.
  • Feeler gauges can be made from materials such as steel, plastic, and brass.
  • A tap is used to create a smooth hole into a threaded hole, while a die is used to form a smooth shaft into a threaded shaft.
  • To prevent breaking a tap, ensure lubrication, work back and forth, and maintain a perpendicular angle.

Measurement and Problem-Solving

  • If a tap breaks, specific procedures must be followed (details not provided).
  • A dial caliper (Vernier caliper) measures outer dimensions, inner dimensions, and depth.
  • The 3 C's of diagnosis: Concern, Cause, and Correction. Focus on verifying the concern first.
  • Torque measurement relates to horsepower; torque is a key factor in engine performance.

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