Concept explainers
(a)
Interpretation:
An explanation for the calibration curve to be a straight line is to be stated.
Concept introduction:
The hydrostatic pressure may be defined as the ratio of the force
(b)
Interpretation:
The liquid level determined from the calibration curve as too high, too low, or correct for the given values is to be identified and an explanation corresponding to it is to be stated.
Concept introduction:
The hydrostatic pressure may be defined as the ratio of the force
(c)
Interpretation:
The observed values read from the calibration curve if the actual value of liquid level is
Concept introduction:
The hydrostatic pressure may be defined as the ratio of the force
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ELEM PRINC CHEM (LL) W/EBOOK
- Propane is burned completely with excess oxygen. The product gas contains 24.5 mole% CO2, 6.10% CO, 40.8% H2O, and 28.6% O2. (a) Calculate the percentage excess O2 fed to the furnace. (b) A student wrote the stoichiometric equation of the combustion of propane to form CO2 and CO as: 2C3H8 + 11O2 → 3CO2 + 3CO + 8H2O According to this equation, CO2 and CO should be in a ratio of 1/1 in the reaction products, but in the product gas of Part (a) they are in a ratio of 24.8/6.12. Is that result possible? (Hint: Yes.) Explain howarrow_forwardEnumerate the various methods for catalyst preparation and discuss vividly any one of the methodsarrow_forward2. Design a spherical tank, with a wall thickness of 2.5 cm that will ensure that no more than 45 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made from nickel, aluminum, copper, or iron (BCC). The diffusion coefficient of hydrogen and the cost per pound for each available material is listed in Table 1. Material Do (m2/s) Q (J/mol) Cost ($/kg) Nickel 5.5 x 10-7 37.2 16.09 Aluminium 1.6 x 10-5 43.2 2.66 Copper 1.1 x 10-6 39.3 9.48 Iron (BCC) 1.2 × 10-7 15.1 0.45 Table 1: Diffusion data for hydrogen at 500 °C and the cost of material.arrow_forward
- A flash drum at 1.0 atm is separating a feed consisting of methanol and water. If the feed rate is 2000 kg/h and the feed is 45 wt % methanol, what are the values of L (kg/h), V (kg/h), yM, xM (weight fractions), and Tdrum if 35% by weight of the feed is vaporized? VLE data are in Table 2-8.arrow_forwardQ1.B. Make a comparison between current control PWM rectifier in the abc reference frame and dq reference frame.arrow_forwardstep by steparrow_forward
- The power out of an adiabatic steam turbine is 5 MW and the steam enters turbine at 2 MPa and velocity of 50 m/s, specific enthalpy (h) of 3248 kJ/kg. The elevation of the inlet is 10 m higher than at the datum. The vapor mixture exits at 15 kPa and a velocity of 180 m/s, specific enthalpy (h) of 2361.01 kJ/kg. The elevation of the exit is 6 m higher than at the datum. Let g = 9.81 m/s². Assuming the ideal gas model and R = 0.462 KJ/(kg.K). The steam specific heat ratio is 1.283. Calculate:arrow_forwardstep by step pleasearrow_forwardstep by step pleasearrow_forward
- step by steparrow_forwardThe power out of an adiabatic steam turbine is 5 MW and the steam enters turbine at 2 MPa and velocity of 50 m/s, specific enthalpy (h) of 3248 kJ/kg. The elevation of the inlet is 10 m higher than at the datum. The vapor mixture exits at 15 kPa and a velocity of 180 m/s, specific enthalpy (h) of 2361.01 kJ/kg. The elevation of the exit is 6 m higher than at the datum. Let g = 9.81 m/s². Assuming the ideal gas model and R = 0.462 KJ/(kg.K). The steam specific heat ratio is 1.283. Calculate:arrow_forwardThe power out of an adiabatic steam turbine is 5 MW and the steam enters turbine at 2 MPa and velocity of 50 m/s, specific enthalpy (h) of 3248 kJ/kg. The elevation of the inlet is 10 m higher than at the datum. The vapor mixture exits at 15 kPa and a velocity of 180 m/s, specific enthalpy (h) of 2361.01 kJ/kg. The elevation of the exit is 6 m higher than at the datum. Let g = 9.81 m/s². Assuming the ideal gas model and R = 0.462 KJ/(kg.K). The steam specific heat ratio is 1.283. Calculate:arrow_forward
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