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NJ Blue Seal || Top Grade Assured.


Why must alternators run at a constant speed? correct answers In order to maintain frequency


What does h represent? correct answers The sum of latent heat and sensible heat


If your cold water pump discharge pressure gauge indicated 346 psi, what would be the head in
feet? correct answers 346 x 2.31= 800psi


Formula for finding Horsepower in a Kilowatt correct answers 1.341 x kW = HP


If you have a 500 k/W generator, what is the HP? correct answers 1.341 x 500 = 670.5


What is the formula for finding the Factor of Evaporation ? correct answers FE Hs -(Tfw -
32)/970.3


What chemicals cause hard scale in a boiler? correct answers Calcium carbonate and magnesium
carbonate


What is the critical speed of a turbine? correct answers The speed at which it vibrates the most


An intercooler is found: correct answers In a two stage air compressor


What protects a turbine shaft from bowing? correct answers A turning gear


When do you lubricate a turbine with oil? correct answers Before starting it up

, What is the formula used to calculate Btu's in a pound of fuel? correct answers Btu's/lb. fuel=
17,687(57.7 x API) Plus (+) then Times (x)


What suction performance factor is a characteristic of the pump and varies with pump design,
pump size and operating conditions? correct answers NPSH


Licenses can be renewed ____ days before expiration. correct answers 60


To be eligible for 1-C Blue, you must have: correct answers High Pressure license & 6 mos.
operating over 500 horsepower boilers


The formula for Torque correct answers T = HP x 5252/ RPM


The formula for Frequency correct answers F=N x RPM/120


1.34 kilowatt = correct answers 1 HP


33,475 Btu's= correct answers 1 Boiler HP


2545 Btu's= correct answers 1 Horsepower Hour


970.3 Btu's = correct answers Latent Heat of Evaporation


3414 Btu's= correct answers 1 Kilowatt Hour


1 Btu= correct answers 778 ft. lbs


What is the formula for finding Heating Surface? correct answers Hs = Dia x 3.1416 × LxN/144

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