The factors that must be considered when sizing the discharge line are:
A) Pressure drop and velocity.
B) Pressure drop, temperature rise, velocity, and oil viscosity.
C) Temperature rise and oil viscosity.
D) Temperature rise and refrigerant viscosity.
A
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Las protuberancias deberían:
a. no aislarse. b. aislarse a 6 pulgadas (15,24 cm) desde el aislamiento de la tubería principal c. aislarse dos veces lo que se aísla el tubo. d. aislarse cuatro veces el grosor de la superficie que esté aislándose
A continuous load is one that operates for ____________________ hours.
Fill in the blank(s) with the appropriate word(s).
The calorie is defined as the amount of heat required to raise the temperature of 1 gram of water by 1?C. Also, the energy content of food is typically expressed in Calories which is equal to 1000 calories. Convert the results of the previous problem to Calories (1 Btu = 252 calories)
What will be an ideal response?
What controls the amount of gas entering the burner?
A) The gas manifold pressure and the burner venturi size B) The draft created by the gas flames C) The gas valve D) The burner orifice size