HVAC/R Certification Test! Trivia Quiz

10 Questions | Total Attempts: 539

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HVAC/R Certification Test! Trivia Quiz

STIMULATE THE BRAINS OF NEW CONVERTS


Questions and Answers
  • 1. 
    NAME 3 OF THE 6 COMMON TYPES OF COMPRESSORS USED IN HVAC/R
    • A. 

      SCROLL, ROTARY, RECIPROCATING

    • B. 

      SCREW, SCROLL, HERMITE

    • C. 

      OPEN, CENTRIFUGAL, RECIPROCITY

    • D. 

      ROTARY, RECIPROCATING, HERMITAGE

  • 2. 
    THE COMPRESSOR,  OF ANY TYPE PERFORMS TWO BASIC FUNCTIONS, TRUE OR FALSE?
    • A. 

      True

    • B. 

      False

  • 3. 
    THE INCREASE IN LOW SIDE PRESSURE WOULD INCREASE THE DENSITY OF THE REFRIGERANT VAPOR AND THUS INCREASING THE CAPACITY OF THE?
    • A. 

      THERMO EXPANSION VALVE

    • B. 

      CONDENSER COIL

    • C. 

      COMPRESSOR

    • D. 

      CONDENSER FAN MOTOR

    • E. 

      LOW SIDE PRESSURE SWITCH

  • 4. 
    A HIGHER OUTDOOR TEMPURATURE OR A DIRTY CONDENSING COIL WOULD RAISE THE
  • 5. 
    ON A MULTIMETER, WHAT READING REFLECT HOW MUCH WORK THE COMPRESSOR IS DOING?
    • A. 

      HOW MANY TIMES THE COMPRESSOR CONTACTOR PULLS IN AND OUT

    • B. 

      THE COMPRESSOR AMP DRAW

    • C. 

      COMPRESSOR VOLTAGE DROP ACROSS THE WINDING'S

    • D. 

      COMPRESSOR RESISTANCE TO GROUND

  • 6. 
    THE HIGH SIDE PRESSURE WILL REFLECT WHAT IS HAPPENING ON THE LOW SIDE, TRUE OR FALSE?
    • A. 

      True

    • B. 

      False

  • 7. 
    WHAT COMPONENT ON THE HVAC SYSTEM MEASURES AND ADJUSTS THE SUPERHEAT?
    • A. 

      FIX ORIFICE METERING DEVICE

    • B. 

      THERMAL EXPANSION VALVE

    • C. 

      THE EXTERNAL EQUALIZER LINE

    • D. 

      THE EVAPORATOR

    • E. 

      THE SUCTION LINE ACCUMULATOR

  • 8. 
    AT WHAT AERA OF A RESIDENTAL HVAC SYSTEM DO YOU CALCULATE A PROPER TEMPERATURE SPLIT? 
    • A. 

      SUPPLY AIR FURTHEST FROM THE AIR HANDLER, AND THE RETURN AIR GRILL

    • B. 

      RETURN AIR GRILL, AND SUPPLY AIR CLOSEST TO THE AIR HANDLER

    • C. 

      EVAPORATOR COIL AND METERING DEVICE

    • D. 

      CONDENSER COIL, AND COMPRESSOR

  • 9. 
    WHAT IS A NORMAL TEMPURATURE SPLIT FOR A  RESIDENTAL HVAC SYSTEM?
    • A. 

      BETWEEN 15-20

    • B. 

      BETWEEN 21-30

    • C. 

      BETWEEN 15-17

    • D. 

      BETWEEN 13-25

    • E. 

      BETWEEN 1-100

  • 10. 
    CUSTOMER CALLS, SAID THEY HAVE NO COLD AIR COMING OUT OF VENTS, YOU ARRIVE TO THE HOUSE AND NOTICE THE INDOOR FAN ISNT BLOWING CUSTOMER SAID THE FAN HAS NOT BEEN WORKING FOR A WHOLE DAY, WHAT IS THE FIRST THING YOU CHECK WHEN STARTING YOUR DIAGNOSTICS ?
    • A. 

      OHM OUT THE MOTOR FOR CONTINUITY

    • B. 

      THERMOSTAT

    • C. 

      POWER COMING IN TO THE AIR HANDLER

    • D. 

      RUN CAPACITOR ON FAN MOTOR

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