The net work of the cycle is defined by the difference between the turbine work and the pump work: If the pump work is neglected, the net work of the cycle reduces to: Then the thermal efficiency of this system is defined by the rate between the net work and heat transfer from the boiler: Air-Fuel ratio and Air Excess.
At The Airport Valet, we believe that you should only tip commensurate with the service you receive. That said, currently the average tip is $3.00 - $5.00 on both departure and arrival. However, daily our valetsâ tips do range from as low as $1.00 to as high as $30.00.
to tip or not to tip takes luggage from your vehicle to the front desk hails you a cab and opens the door particularly at luxury hotels tip $ 1 to $ 2 for carrying luggage $ 1 to $ 4 for getting a taxi the higher end if it s raining or if the doorman had trouble flagging down a cab none required for opening the door