What are the ranges in which each type is effective?

1 Answer

Answer :

ONAN – Natural cooling – up to 15 MVA.

ONAF – Air forced radiators cooling – 10 to 100 MVA depending on availability of area.

OFWF = oil forced and water forced used in more than 100 MVA. 

Related questions

Description : (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Explanation: Water is not effective in extinguishing a fire caused by petrol because water and ... . Water cannot generally be used to extinguish a gasoline fire, unless used in a fine mist.

Last Answer : "All the four quantum numbers of two electrons in an atom are not the same." It is the law of (1) Hund’s (2) Exclusion Principle of Pauli (3) Uncertainty Principle of Giesenberg (4) Avogadro’s law

Description : Which of the listed ranges represents specific gravity corrected for temperature for the electrolyte of a fully charged portable lead-acid battery? A. 1.100 to 1.150 B. 1.180 to 1.200 C. 1.280 to 1.300 D. 1.750 to 2.000

Last Answer : Answer: C

Description : The most effective method of locating a loose commutator bar in a D.C. motor is by _____________. A. visual inspection B. jiggling each by hand C. sounding each bar with a light weight hammer D. checking with a calibrated torque wrench

Last Answer : Answer: C

Description : usan has left her parents home and moved into a new flat. She is spending considerable time and effort comparing the ranges of furniture in different retail stores. Which type of decision-making process is she using? A)Selective B)Intensive C)Extensive D)Shopping E)Routine

Last Answer : C)Extensive