Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Small displacements and high condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be All of these Lack of cooling water Dirty condenser surface Water temperature being high All of these Lack of cooling water Dirty condenser surface Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 8 bar 2 bar 30 bar 15 bar 8 bar 2 bar 30 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant pressure lines Constant total heat lines Constant entropy lines Constant temperature lines Constant pressure lines Constant total heat lines Constant entropy lines Constant temperature lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Equal to Less than Greater than None of the listed here Equal to Less than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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