CDC 2A652 Volume 4

11 Questions | Total Attempts: 300

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2a652 Quizzes & Trivia

Questions and Answers
  • 1. 
    (601) What component on the New Generation Heater activates the heat control unit (HCU)?
    • A. 

      Heat control switch

    • B. 

      Burner control unit

    • C. 

      Thermostatic sensor

    • D. 

      Oil pressure switch

  • 2. 
    (601) When does the heater control unit (HCU) on the New Generation Heater start the main air fan for output air?
    • A. 

      When a heat setting is selected.

    • B. 

      Once constant flame is established.

    • C. 

      When the temperature gauge reads COOL.

    • D. 

      When the inside temperature reaches 140 degrees F.

  • 3. 
    (602) When should you use starting aids to start the New Generation Heater?
    • A. 

      Never

    • B. 

      Occasionally

    • C. 

      When the temperature gauge reads COOL.

    • D. 

      When ambient temperature is below 32 degrees F.

  • 4. 
    (602) WHEN OPERATING THE NEW GENERATION HEATER, TURN THE HEAT CONTROL SWITCH TO THE DESIRED POSITION AFTER
    • A. 

      AMPLE WARM-UP TIME.

    • B. 

      A MINIMUM OF 45 SECONDS.

    • C. 

      SYSTEM VOLTAGE RISES TO 120 VAC.

    • D. 

      THE INSIDE TEMPERATURE REACHES 140 DEGREES

  • 5. 
    (603) IF YOU NEET TO FIND OUT HOW TO PERFORM ANY MAINTENANCE REQUIRED DURING AN INSPECTION, YOU SHOULD REFER TO THE
    • A. 

      -1 TO

    • B. 

      PE WORKCARDS.

    • C. 

      METHODS AND PROCEDURES TO.

    • D. 

      SERVICE INSPECTION WORKCARDS.

  • 6. 
    (603) THE TYPE OF INSPECTION THAT REQUIRES THE MOST TEAR DOWN OF SPECIFIC COMPONENTS IS THE
    • A. 

      DAILY INSPECTION.

    • B. 

      SERVICE INSPECTION.

    • C. 

      SPECIAL INSPECTION.

    • D. 

      PERIODIC INSPECTION.

  • 7. 
    (604) THE FIRST STEP OF TROUBLESHOOTING HEATER EQUIPMENT IS
    • A. 

      ANALYSIS

    • B. 

      ISOLATION

    • C. 

      RECOGNITION

    • D. 

      VERIFICATION

  • 8. 
    (604) REPAIR OF GROUND HEATER EQUIPMENT SHOULD NEVER BE ATTEMPTED
    • A. 

      WITHOUT FIRST TALKING WITH THE OPERATOR

    • B. 

      WITH FIRST CONSULTING YOUR SUPERVISOR

    • C. 

      UNLESS ACCURATE TECHNICAL DATA IS AVAILABLE

    • D. 

      UNLESS IN THE PRESENCE OF AN EXPERIENCED MECHANIC

  • 9. 
    (605) THE AMOUNT OF HEAT REQUIRED TO RAISE THE TEMPERATURE OF ONE POUND OF A SUBSTANCE ONE DEGREE FAHRENHEIT IS KNOW AS
    • A. 

      SUPER HEAT

    • B. 

      LATENT HEAT

    • C. 

      SPECIFIC HEAT

    • D. 

      SENSIBLE HEAT

  • 10. 
    (605) HEAT THAT CAN BE FELT, AND ADDED OR SUBTRACTED TO A SUBSTANCE WITHOUT CHANGING ITS STATE IS CALLED
    • A. 

      SUPER HEAT

    • B. 

      LATENT HEAT

    • C. 

      SPECIFIC HEAT

    • D. 

      SENSIBLE HEAT

  • 11. 
    (605) THE HEAT THAT CHANGES THE STATE OF A SUBSTANCE, YET DOES NOT AFFECT THE TEMPERATURE IS CALLED
    • A. 

      SUPER HEAT

    • B. 

      LATENT HEAT

    • C. 

      SPECIFIC HEAT

    • D. 

      SENSIBLE HEAT