NJ Blue Seal EXAM fully solved & updated 2026-
2027(latest version verified for accuracy) (Questions +
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Aerospace Engineering Midterm Elevator Mechanic Exam Prep ABSA Part A Practice EXAM | FREQ... So
Teacher 116 terms Teacher 114 terms Teacher 141 terms Te
zuriGlow Preview Cliff6955 Preview gorettimwikali Preview
Practice questions for this set
Learn 1 /7 Study with Learn
Every time you start it up
Choose an answer
Why must alternators run at a constant
1 How ofter are governors tested 2
speed?
What suction performance factor is a
characteristic of the pump and varies with If you have a 500 k/W generator, what is the
3 4
pump design, pump size and operating HP?
conditions?
Don't know?
Terms in this set (71)
Why must alternators run at a constant speed? In order to maintain frequency
What does h represent? The sum of latent heat and sensible heat
, If your cold water pump discharge pressure gauge 346 x 2.31= 800psi
indicated 346 psi, what would be the head in feet?
Formula for finding Horsepower in a Kilowatt 1.341 x kW = HP
If you have a 500 k/W generator, what is the HP? 1.341 x 500 = 670.5
What is the formula for finding the Factor of FE Hs -(Tfw - 32)/970.3
Evaporation ?
What chemicals cause hard scale in a boiler? Calcium carbonate and magnesium carbonate
What is the critical speed of a turbine? The speed at which it vibrates the most
An intercooler is found: In a two stage air compressor
What protects a turbine shaft from bowing? A turning gear
When do you lubricate a turbine with oil? Before starting it up
What is the formula used to calculate Btu's in a pound Btu's/lb. fuel= 17,687(57.7 x API) Plus (+) then Times (x)
of fuel?
What suction performance factor is a characteristic of NPSH
the pump and varies with pump design, pump size and
operating conditions?
Licenses can be renewed ____ days before expiration. 60
To be eligible for 1-C Blue, you must have: High Pressure license & 6 mos. operating over 500 horsepower boilers
The formula for Torque T = HP x 5252/ RPM
The formula for Frequency F=N x RPM/120
1.34 kilowatt = 1 HP
33,475 Btu's= 1 Boiler HP
2545 Btu's= 1 Horsepower Hour
970.3 Btu's = Latent Heat of Evaporation
3414 Btu's= 1 Kilowatt Hour
1 Btu= 778 ft. lbs
What is the formula for finding Heating Surface? Hs = Dia x 3.1416 × LxN/144
L = length in inches
N=number of tubes
Dia=diameter of tubes
2027(latest version verified for accuracy) (Questions +
Answers) Solved 100% Correct!!
Leave the first rating
Save
Students also studied
Flashcard sets Study guides
Aerospace Engineering Midterm Elevator Mechanic Exam Prep ABSA Part A Practice EXAM | FREQ... So
Teacher 116 terms Teacher 114 terms Teacher 141 terms Te
zuriGlow Preview Cliff6955 Preview gorettimwikali Preview
Practice questions for this set
Learn 1 /7 Study with Learn
Every time you start it up
Choose an answer
Why must alternators run at a constant
1 How ofter are governors tested 2
speed?
What suction performance factor is a
characteristic of the pump and varies with If you have a 500 k/W generator, what is the
3 4
pump design, pump size and operating HP?
conditions?
Don't know?
Terms in this set (71)
Why must alternators run at a constant speed? In order to maintain frequency
What does h represent? The sum of latent heat and sensible heat
, If your cold water pump discharge pressure gauge 346 x 2.31= 800psi
indicated 346 psi, what would be the head in feet?
Formula for finding Horsepower in a Kilowatt 1.341 x kW = HP
If you have a 500 k/W generator, what is the HP? 1.341 x 500 = 670.5
What is the formula for finding the Factor of FE Hs -(Tfw - 32)/970.3
Evaporation ?
What chemicals cause hard scale in a boiler? Calcium carbonate and magnesium carbonate
What is the critical speed of a turbine? The speed at which it vibrates the most
An intercooler is found: In a two stage air compressor
What protects a turbine shaft from bowing? A turning gear
When do you lubricate a turbine with oil? Before starting it up
What is the formula used to calculate Btu's in a pound Btu's/lb. fuel= 17,687(57.7 x API) Plus (+) then Times (x)
of fuel?
What suction performance factor is a characteristic of NPSH
the pump and varies with pump design, pump size and
operating conditions?
Licenses can be renewed ____ days before expiration. 60
To be eligible for 1-C Blue, you must have: High Pressure license & 6 mos. operating over 500 horsepower boilers
The formula for Torque T = HP x 5252/ RPM
The formula for Frequency F=N x RPM/120
1.34 kilowatt = 1 HP
33,475 Btu's= 1 Boiler HP
2545 Btu's= 1 Horsepower Hour
970.3 Btu's = Latent Heat of Evaporation
3414 Btu's= 1 Kilowatt Hour
1 Btu= 778 ft. lbs
What is the formula for finding Heating Surface? Hs = Dia x 3.1416 × LxN/144
L = length in inches
N=number of tubes
Dia=diameter of tubes
