Which of the following does not help in collecting results in the mechanical heat pump Select one: a. Pressure gage
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- pr and temperature decrease while the volume increase Which of the following does not help in collecting results in the mechanical heat pump? Select one: O a. Pressure gage O b. Flowmeter O c. Wattmeter O d. Receiversolve a,b, c and d please. In a detergent-making process, 1400gal/h of water flows through a 2-inch pipe system as follows: Exit from pump, 2ft vertical, open gate valve, 14 ft vertical, 908 bend, 12ft horizontal, 1/4 open globe valve, 20ft horizontal, 908 bend, 6ft horizontal, 908 bend, 12ft vertical, 908 bend, 14ft horizontal, 908 bend, 4 ft vertical, 908 bend, 28ft horizontal, open gate valve, 3ft horizontal, entry to tank containing 30ft of liquid. (a). If the pump and tank are both at grade level, estimate the head that the pump must deliver. (b). If the pump inlet pressure is 25 psig, what is the outlet pressure? (c). Estimate the pump shaft work ( d). If the pump is powered by an electric motor with 85% efficiency, what is the annual electricity consumption?A 1-ton HVAC unit will remove up to 12,000 Btu/h. What size unit is neededfor a house with a heat load of 28,576 Btu/h? (Round up to the next highereither half or whole number.)
- Suppose that you have designed a portable compressed-air supply system, as shown in the figure below,for filling scuba tanks and for driving pneumatics tools in garages and factories.The system consists of an electric motor, an air compressor, an air tank, a regulator and a pressure-reliefsafety valve.The regulator contains a pressure sensor connected to a power switch. The motor is switched on whenthe tank pressure drops bellow a fixed value and off at a slightly higher pressure. The pressure-reliefvalve is set to open at a higher pressure than the regulator motor off-pressure.Explosion of the tank is clearly a dangerous hazard. Three events are assumed to possibly lead to a tankexplosion:1. an internal tank defect such as poor welding2. an external cause such as a plant vehicle colliding with the tank3. Excess pressure in the tank. The excess pressure can occur only if both the control unit and thepressure-relief valve fail:The pressure sensor might fail to shut oof the motor because…1. Using the Steam Tables, determine the heat absorbed by the boiler (KW) and Wsf when subcooled water at pressure = 5 Mpaa (subcooled by 64 deg C measured at the boiler inlet), is superheated to 100 degrees SH at the same pressure. Flow rate is at 10 cubic meters per minute. Ans.: a) Qa = b)Wsf= Hint: Use v at compressed water temp. at boiler inlet to convert to mass flow rate. Process is isobaric (Constant Pressure, where Q=m x AH).Industrial engg problems please do it correctly
- 2.State the operation principle of positive displacement pump according to the following figure 6 7 HAA DC 5 4 3 2 1.cam 2.piston 3.spring 4.chamber 5.check valve W theThe brewing process involves 4 steps. Boiling, Fermenting, Filtering and Kegging. The batch size is 100 gallons for the boil and fermentation tanks. Process times for the different steps are Boiling: 8 hours/100 gal, Fermenting: 15 days/100 gal, Filtering: 10 gal/hour, Kegging 10 min/5 gal. In order to improve the productivity they decide to introduce a holding tank between the fermentation and filtration steps. They are able to drain the fermentation tank at a rate of 30 gal/hour. Ferment WIP Keg Boil Filter What is the minimum WIP tank size they need? (Round your answer to the nearest 10 gallons) Assume 24 hours/day۸:۳۰ م KOREK TELECOMIKOREK Asiacell D%A0 The picture shows oil pump cover. Which type of oil pump may be found .in this cover Bi swash plate oil pump. O hand gear pump. O van oil pump. O gerotor oil pump. axial piston pump. O internal gear pump. O bent axis oil pump. O external gear pump. !
- 2) The following heating system for a room is considered: ATroom = K1 | Qodt, Qo = Qin - Qout Qout = K2AT,0om room Qin = K3(ATrad – ATr00m) where AT is the room temperature and AT is the radiator temperature. What is room rad the stationary room temperature, if the radiator temperature is 50C and if K1 = 104, K2 = 4, and K3 = 1? A. 40°C В. 20°C С. 10°C D. 30°C Е. None of the previous answers are correct.A system temperature and pressure becomes equal to that of the earth and transfer of energy ceases is known as unavailable energy Select one: O True O False One tonne of refrigeration is equal to 0.035 W. Select one: O True O False Which statement is FALSE O A. Impeller is absent in reciprocating compressor O B. Diffuser is present in reciprocating compressor O C. Rotary compressors are the capability of running at high speeds O D. Reciprocating compressors are bulky5. The fluid horsepower of the system operating at 13790 kN/m² and delivering 19.1 L/min is. A. 438 Watt. B. 500 Watt. C. 460 Watt.