1500 W of power is input into a fluid with mass 15 kg and specific heat capacity of 3.2 kJ/[kg K]. What is the heating rate of this fluid assuming heat losses are negligible and there exist no changes in the pressure of the system? 1.875 K/min 0.03125 K/min 1875 K/min
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- 1. Energy consumption in a country from 2001 to 2011 increased from 1041.3 million to 1526.1 million BOE (barrels of oil equivalent). If the high calorific value (HHV) of the oil is 141,000 kJ/gallon what is the increase in energy consumption over 10 years in Joule units. What is the rate of energy consumption per year? 2. Based on data on the rate of energy consumption per year from question no. 1, if the growth rate energy 2.5% per year, calculate the doubling time (td) and what is the approximate rate of energy growth in 2021.Please show the complete solution. (Example: Conversion of Units) How much heat in kJ must be transferred to 20 kg of air to increase the temperature from 20 Degree Celsius to 280 Degree Celsius if the pressure is maintained constant?Hydrostatic pressure at any given depth of a liquid depends on the_____ of the container.a)Volumeb)ShapeC)Depthd)All of the above .As the temperature of oil increases, the viscosity of oil willa) increaseb) decreaseC)not change Which of the following units would NOT be used for volume flow rate?a) gal/minb) Ib/sc)m⅗d)ft^3/s 2.Dynamic viscosity is defined as,a) weight per unit volume of a fluidb) volume per unit weight of a fluidc) the velocity gradient divided by the shearing stress of a fluidd)the shearing stress divided by the velocity gradient of a fluid
- the specific heat (cp or cv) can also be understood as a "capacity or ability of a given material to store "heat". In this way, we can say that: 1- the greater the specific heat, the greater the amount of "heat" needed to cause an increase or decrease in temperature per unit mass of the material.2- the higher the specific heat, the lower the amount of "heat" needed to cause an increase or decrease in temperature per unit mass of the material3- the lower the specific heat, the greater the amount of "heat" needed to cause an increase or decrease in temperature per unit mass of the material4- the lower the specific heat, the amount of "heat" needed to cause an increase or decrease in temperature per unit mass of the material does not change5-the higher the specific heat, the amount of "heat" needed to cause an increase or decrease in temperature per unit mass of the material does not change choose only one of the above alternatives as correctThe Ideal gas law shows the relationship between some common properties of ideal gases and is written as PV = nRT. P = pressure, V = volume, n = number of moles of ideal Gas, R = General gas constant = 8.314 kJ/(kmol.K) and T = absolute temperature. 5 mol ideal gas at 22°C is placed in a cube with edge lengths of 0.750 meters. Calculate the pressure of the Ideal gas as [Pa].THERMODYNAMICS: Mollier Diagram: Steam Table Using the Steam Table below, find Δhf and Δhg in BTU/lbm and Δsf and Δsg in kJ/kgm-K and for the following parameters: P1 = 9.5 kgf/cm2 P2 = 15 kgf/cm2 With step by step explanation pls NOTE: This table uses SI unit as stated below: Pressure: MPa Temperature: °C Internal Energy and Enthalpy: kJ/kgm Entropy: kJ/kgm-K
- Fluid mechanics A manometer, utilizing a pitot probe, measures 10 mm of mercury. If the velocity is desired in a pipe transporting water to which the manometer is attached, what additional information in the following list is needed? I. The temperature of the water II. The pressure in the pipe III. The density of the mercury IV. The diameter of the pipe A. I and II B.II and III C.III and IV D.II and IV#01: Explain the following terms in your own words. a) Aerodynamics. b) Mach Number. c) Sub-Sonic. d) Angle of Attack. e) Thrust. f) Chord Line. g) Drag Coefficient. h) Pitch Moment. i) Wind Tunnel. j) Skin Drag.We have superheated steam at a pressure of 0.05 bar and temperature of 366.62 oC. What is the specific volume in units of m3/kg? Use the steam tables and report your answer to three decimal places. Note that in the steam tables, the specific volume is reported in units of m3/kg.
- Four hundred cubic centimeters of a gas at 740 mm Hg absolute and 18℃ undergoes a process until the pressure becomes 760 mm Hg absolute and the temperature 0℃. What is the final volume of the gas in cc?The heat transfer coefficient is a nondimensional parameter which is a function of viscosity ? , specific heat cp (kJ/kg·K), and thermal conductivity k (W/m·K). This nondimensional parameter is expressed as (a) cp/? k (b) k/? cp (c) ? /cpk (d ) ? cp/k (e) cpk/?A certain gas weighs 7 KN/m3 at a certain temperature and pressure. What are the values of its density, specific volume, and specific gravity relative to air weighing 12 N/m3?