Answered: Suppose we have a solid mixture…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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a) The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 5.00-g peanut if the energy from burning it is transferred to 0.500 kg of water held in a 0.100-kg aluminum cup, causing a 54.9C temperature increase? (b) Compare your answer to labeling information found on a package of peanuts and comment on whether the values are consistent.
Question: According to (9.3), photosynthesis stores 460 kJ per mole C. Use this to calculate how much energy is stored per year by the global terrestrial net primary production. How much is this in Watts (J/s)? Answer: 50 GtC/y -> 1.9 × 1021 J/y = 6.1 × 1013 W
Dusty air at a fertilizer plant flows through a 13% efficient cyclone and then through an ESP, The inlet air to the cyclone has a dust loading of 80 grains/cubic foot. In order to meet a standard of 98,5% collection efficiency for the fertilizer plant as a whole, what is the allowable concentration of dust (in grains/cubie foot) in the air that exits from the ESP?a. 0.15 gr/ft3 b 1.2 gr/ft3c. 21.6 gr/ft3 d. 58.4 gr/ft3
Step by step solution answer is given below. Question: According to (9.3), photosynthesis stores 460 kJ per mole C. Use this to calculate how much energy is stored per year by the global terrestrial net primary production. How much is this in Watts (J/s)? Answer: 50 GtC/y -> 1.9 × 1021 J/y = 6.1 × 1013 W
You need to find out the maximum NPV of a hypothetical iron ore open pit as shown below. The iron ore grade is 72% and recovery is 90%. The market price of iron ore is $100/ton. The ore and waste block size are 30 by 30 by 30 m3 and annul production of six blocks (mining + stripping) is there. The mining cost is $35/ton and the stripping cost is $25/ton. The density for the ore and waste is 4.5 ton/m3 and 2.5 ton/m3 respectively. Assuming initial investment $50 million the interest rate is 5% per year.
what is the critical point termperature of water is a. 0.01 0C b. 373 0K c. 373 0C d. 647.15 0C
Mang Juan wanted to determine the width of cut of his offset type disc harrow that has 12 discs, disc spacing of 200 mm and 40 cm diameter discs.
For the following core plugs, gas floods were carried out using nitrogen. The oil produced from plugs 1 and 2 for the gas floods was 9.0 and 6.9 cm3, respectively. What is the residual oil saturation (Sorg) in these two plugs? Plug No. Initial Plug Saturations (%) ∅ Bulk Volume ρgrain ρo ρw ρg So Sw Sg (%) (cm3) (g/cm3) (g/cm3) (g/cm3) (g/cm3) 1 64.64 35.36 0 38.27 63.05 2.719 0.723 1.0216 0.001 2 71.93 28.07 0 34.63 51.05 2.724 0.723 1.0216 0.001
Suppose we got the following data during a test of a 2- stroke engine in which gas is usedas a fuel:Diameter of the piston = 149 mmStroke length = 179 mmClearance volume = 0.88 literrpm of the engine = 302Indicated mean effective pressure = 6.0 barGas consumption = 6.0 m3/hCalorific value of the gas (fuel) = 16990 kJ/m3Make a clear sketch the geometry of this engine using the data and determine thefollowing:i. Indicated power developed by the engine in watt.ii. Air Standard Efficiencyiii. Indicated thermal efficiency of the engine.
ᴛʜᴇ ꜱᴏʟɪᴅ ᴄᴏᴍᴘᴏᴜɴᴅ ꜱʜᴀꜰᴛ, ᴍᴀᴅᴇ ᴏꜰ ᴛʜʀᴇᴇ ᴅɪꜰꜰᴇʀᴇɴᴛ ᴍᴀᴛᴇʀɪᴀʟꜱ, ᴄᴀʀʀɪᴇꜱ ᴛʜᴇ ᴛᴡᴏᴛᴏʀQᴜᴇꜱ ꜱʜᴏᴡɴ. (ᴀ) ᴄᴀʟᴄᴜʟᴀᴛᴇ ᴛʜᴇ ᴍᴀxɪᴍᴜᴍ ꜱʜᴇᴀʀ ꜱᴛʀᴇꜱꜱ ɪɴ ᴇᴀᴄʜ ᴍᴀᴛᴇʀɪᴀʟ. (ʙ) ꜰɪɴᴅ ᴛʜᴇ ᴀɴɢʟᴇ ᴏꜰ ʀᴏᴛᴀᴛɪᴏɴ ᴏꜰ ᴛʜᴇ ꜰʀᴇᴇ ᴇɴᴅ ᴏꜰ ᴛʜᴇ ꜱʜᴀꜰᴛ. ᴛʜᴇ ꜱʜᴇᴀʀ ᴍᴏᴅᴜʟɪ ᴀʀᴇ 28 ɢᴘᴀ ꜰᴏʀ ᴀʟᴜᴍɪɴᴜᴍ, 83 ɢᴘᴀ ꜰᴏʀ ꜱᴛᴇᴇʟ, ᴀɴᴅ 35 ɢᴘᴀ ꜰᴏʀ ʙʀᴏɴᴢᴇ.
As8 Assuming that this is the FIRST onland discovery on island (meaning: we do not have a similar reserve discovered and developed earlier in the neigbouring areas), out of the general 4 methods of evaluating the OOIP, which method should be directly eliminated?Why?
Answer this broadly.

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Suppose we have a solid mixture represented by point k. How much of the solid in letter a is in equilibrium per kg of pure B?