Nate formulas - Study guides, Class notes & Summaries

Nate Formulas Fan law: Pulley size Formula - answerDPm X RPMm = DPf X RPMf DP=Diameter of Pulley f=Fan or Driven m=Motor or Driver Actual Brake HP of a motor - answerBHP = HPnp( Amps/FLA) np = Name plate Synchronizes speed of a motor - answer7200 / # of poles Convert Velocity pressure (Vp) into Feet Per Minute (FPM) - answerFPM = 4005(sqrt of Vp) Convert V(velocity) into CFM - answerCFM = Asqft X Vfpm Asqft = Area of the ductwork in square feet Vfpm = Velocity in Feet Per Minute Tp(to...

Fan law: Pulley size Formula - Answer-DPm X RPMm = DPf X RPMf DP=Diameter of Pulley f=Fan or Driven m=Motor or Driver Actual Brake HP of a motor - Answer-BHP = HPnp( Amps/FLA) np = Name plate Synchronizes speed of a motor - Answer-7200 / # of poles Convert Velocity pressure (Vp) into Feet Per Minute (FPM) - Answer-FPM = 4005(sqrt of Vp) Convert V(velocity) into CFM - Answer-CFM = Asqft X Vfpm Asqft = Area of the ductwork in square feet Vfpm = Velocity in Feet Per Minute Tp(total pressu...

Nate Formulas Fan law: Pulley size Formula - answerDPm X RPMm = DPf X RPMf DP=Diameter of Pulley f=Fan or Driven m=Motor or Driver Actual Brake HP of a motor - answerBHP = HPnp( Amps/FLA) np = Name plate Synchronizes speed of a motor - answer7200 / # of poles Convert Velocity pressure (Vp) into Feet Per Minute (FPM) - answerFPM = 4005(sqrt of Vp) Convert V(velocity) into CFM - answerCFM = Asqft X Vfpm Asqft = Area of the ductwork in square feet Vfpm = Velocity in Feet Per Minute Tp(to...

Nate Formulas questions and answers 2023 latestFan law: Pulley size Formula DPm X RPMm = DPf X RPMf DP=Diameter of Pulley f=Fan or Driven m=Motor or Driver Actual Brake HP of a motor BHP = HPnp( Amps/FLA) np = Name plate Synchronizes speed of a motor 7200 / # of poles Convert Velocity pressure (Vp) into Feet Per Minute (FPM) FPM = 4005(sqrt of Vp) Convert V(velocity) into CFM CFM = Asqft X Vfpm Asqft = Area of the ductwork in square feet Vfpm = Veloc...

SPHR-3 Exam 54 Questions with Verified Answers QUESTION 151 Your organization will be using the point factor technique in their evaluations of job performance. You need to communicate what the point factor technique accomplishes as you're the HR Professional for your organization. Which one of the following best describes the point factor technique? A. Specific compensable factors are identified and then performance levels within the factors are weighted on importance to the employee. B. ...

SPHR-3 Exam 54 Questions with Verified Answers QUESTION 151 Your organization will be using the point factor technique in their evaluations of job performance. You need to communicate what the point factor technique accomplishes as you're the HR Professional for your organization. Which one of the following best describes the point factor technique? A. Specific compensable factors are identified and then performance levels within the factors are weighted on importance to the employee. B. ...

NATE Formulas Questions and Answers 2023 Latest. The formula to figure the BTUH of an ac system using field measurements - correct answer BTUH = 4.5(CFM) x (Delta Enthalpy) Fan law: Basic fan law formula - correct answer BHP2 = BHP1 X ((RPM2 / RPM1)cubed) Shows that required power of a motor varies by the Cube of the speed increase of that motor. The formula to figure the CFM of a Gas furnace using field measurements. - correct answer CFM = BTUH(output) / 1.08 X Delta T 1.08 = 60(.075 X ...

NATE Formulas Questions and Answers 2023 Latest. Fan law: Pulley size Formula - correct answer DPm X RPMm = DPf X RPMf DP=Diameter of Pulley f=Fan or Driven m=Motor or Driver Actual Brake HP of a motor - correct answer BHP = HPnp( Amps/FLA) np = Name plate Synchronizes speed of a motor - correct answer 7200 / # of poles Convert Velocity pressure (Vp) into Feet Per Minute (FPM) - correct answer FPM = 4005(sqrt of Vp) Convert V(velocity) into CFM - correct answer CFM = Asqft X Vfpm Asqft ...

NATE Formulas Questions and Answers 2023 Latest. Fan law: The relationship of CFM to RPM change - correct answer CFM1/CFM2 = RPM1/RPM2 Doubling RPM doulbles CFM Figure Approximate BHP when motor amps and applied voltage is known - correct answer Approx BHP = (E X I)/746 To many factors to make this a good formula Formula to clock a furnace or boiler - correct answer BTUH = [(cuft X 3600)/sec.] x cf x 1000 cuft = amount of gas measured at meter; 3600 = secs in an hour; sec = time taken t...