A wooden cylinder has diameter, length, and relative density of 10 cm, 40 cm and 0.6, respectively. A metal disc with diameter of 12 cm, 5 cm thickness and relative density of 4.5 is rigidly attached to the bottom end of the wooden cylinder. The combined wooden cylinder and metal...
18 Aug 2020Iraw the hol chiatrain raptrintel on Elia ririe alatticher latif alien IIIIIIIII marks 01 - 10 : ( h ] E llith this diffier cette between tin open lips systerin situ a cles loip system , Give Onc example of a playsical systeral tit cael system
18 Aug 2020Consider a particle that moves according to the equation of motion 5ä 20. 16x = 10 cos(Set), where N is a constant. (a) Suppose that 2 = 4. Calculate the amplitude of the resulting oscillations of the particle after a long time has elapsed. (b) Calculate the damping ratio for t...
18 Aug 2020Exercise 2 150 mm T T2=5400N Select a deep groove ball bearing for the lower bearing of the vertical shaft shown in the figure bellow. The shaft is driven by a V belt. It has been determined that the resultant force (T1T2) acting on the pulley is 5.4 kN. Base the selection on a l...
18 Aug 2020The bar AB of the linkage shown on the figure below has a clockwise angular velocity of 30 rad/s when 0 the angular velocities of member BC and the wheel at this instant. 60°. Determine 0.1 m 0.2 m 0.2 m 30 rad/s %! AB 0 60° 36
18 Aug 2020If P, and P2 are the pressure at inlet and throat of a venturi meter while the area of inlet and throat represented by A1 and A2, respectively. Show that volume flow rate of fluid through a venturi meter can be expressed as; 2.AP Q = A2
18 Aug 2020Explain what is meant by momentum thickness, and displacement thickness, 5* of a laminar flat plate boundary layer. On one diagram, illustrate and label the momentum thickness, and the displacement thickness, 5* towards the boundary layer. On a flat plate surface at a given locat...
18 Aug 2020Liquid water flows at a velocity of 1.5 m/s in a brass tube having 7.0 mm inside diameter. The tube wall is maintained at a temperature of 115 °C, and the average bulk temperature of the water at entry is 98 °C. Determine the flow regime. a) [3 marks) Discuss the heat-transfer mo...
18 Aug 2020From the figure shown a) find the equations of motion in terms of the angular rotation of the disk; b) What is the damping ratio and natural frequency of the system in terms of the parameters m, b, k1, and k2.
18 Aug 2020Write a code by using finite difference method for Unsteady State condition.For the left side of the wall is defined as constant temperature value as T1 and the left side the wall is defined as constant temperature value as T2. The bottom and the above side of the wall is insulat...
18 Aug 2020Width - 3m P-? For (3m 4m . LOOD. (4x3) = 58800 e. 4.3/12 = 0.267 4.3.5/singo Fen (4m 3m). 9.8L, 1000 ( 23) – 412020N Emo o FOA. 2,267 1.Fon = P.4
18 Aug 2020Plug Determine the mem & location of the base wth on the plus to 677
18 Aug 2020cutting force required for a furning operation performed on 2.5 mm diameter. 12 cm length and 225 HB steel bar is ROON and the operation is conducted at a cutting speed of 3.0 m/s to generate a 5 mm depth of cut. The feed rate used is 0.25 mm/rev (30 points) a) What is rpm used? ...
18 Aug 2020Find the most efficient scheme synthesizing amphetamine (racemic) through the use of a Magnesium-Halogen replacement reaction.Answer Preview………….Grignard reaction is the most efficient method used to synthesize amphetamine. This reaction includes the combination of magnesium-halo...
08 Aug 2020Methanol (CH3OH) is synthesized from carbon monoxide and hydrogen in a catalytic reactor. 100 mol/h of fresh feed is fed to the process, containing 32.0 mol% CO, 64.0 % H2 and 4.0 % N2. This stream is mixed with a recycle stream in the ratio 5 mol recycle/1 mol fresh feed to prod...
08 Aug 2020Butanol and chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of I-butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures (H. Artigas, C.
08 Aug 2020Laminar flow in a triangular duct (Figure 3B.2)2 one type of compact heat exchanger is shown in Figure 3B.2 (a). In order to analyze the performance of such an apparatus, it is necessary to understand the flow in a duct whose cross section is an equilateral triangle. This is done...
08 Aug 2020Momentum fluxes for creeping flow into a slot (Fig. 3.B-7). An incompressible Newtonian liquid is flowing very slowly into a thin slot of thickness 2B (in the y direction) and width W (in the z direction). The mass rate of flow in the slot is w. From the results of Problem 2B.3 i...
08 Aug 2020Perform the following calculations, in each case, first estimate the solution without using a calculator, following the procedure outline in Section 2.5b, and then do the calculation, paying attention to significant figures.
08 Aug 2020The density of a fluid is given by the empirical equation p = 70.5 exp (8.27 x 10-7p) where p is density (lbm/ft3) and P is pressure (lbf/in.2).
08 Aug 2020The fugacity coefficient of a certain gas at 290 K and 2.1 MPa is 0.68. Calculate the difference of its molar Gibbs energy from that of a perfect gas in the same state.
08 Aug 2020The weather report says the temperature is 86°F, the barometer is at 30.05 inches Hg, the relative humidity is 62%, and the dew point is 71°F. Estimate the mole fraction of water in the air, the molal humidity, absolute humidity, and percentage humidity in the air. Are the values...
08 Aug 2020Velocity distribution for creeping flow toward a slot (Fig. 3B.7) it is desired to get the velocity distribution given for the upstream region in the previous problem. We postulate that vθ = 0, vz = 0, v, = vr (r = θ), and P = P(r, θ).
08 Aug 2020Gas is bled from a tank. Neglecting heat transfer between the gas and the tank, show that mass and energy balances produce the differential equation:Here, Uand m refer to the gas remaining in the tank; H is the specific enthalpy of the gas leaving the tank. Under what conditions ...
08 Aug 2020A Los Angeles firm uses a single input to produce a recreational commodity according to a production function f (x) = 4√x, where x is the number of units of input. The commodity sells for $100 per unit. The input costs $50 per unit.
08 Aug 2020At 25 degree Celsius, an aqueous solution containing 35.0wt% H2SO4 has a specific gravity of 1.2563. A quantity of the 35% solution is needed that contains 195.5kg of H2SO4 (a) Calculate the required volume (L)of the solution using the given specific gravity (b) Estimate the pe...
08 Aug 2020An open circular tank of 0.25 m diameter contains Benzene at 280C . It is exposed to atmosphere In such a manner that the liquid is covered by a stagnant air film of 2.0 cm high. The concentration of Benzene beyond air film may be assumed negligible. The following data may be ass...
08 Aug 2020A first-order homogeneous reaction of A going to 3B is carried out in a constant pressure batch reactor. It is found that starting with pure A the volume after 12 min is increased by 70% at a pressure of 1.8 atm. If the same reaction is to be carried out in a constant volume re...
08 Aug 2020Place the route of filtrate flow in the correct order from its origin to the ureter: (a) minor calyx (b) ascending limb of loop of Henle (c) papillary duct (d) distal convoluted tubule (e) major calyx (f) descending limb of loop of Henle (g) proximal convoluted tubule (h) collect...
08 Aug 2020SASOL, a South African Coal-to-Liquids (CTL) and Gas-to-Liquids (GTL) company, operates what is considered to be the largest point source of carbon dioxide in the world, the Secunda plant. How much carbon dioxide does SASOL emit annually from the Secunda plant? SASOL’s primary pr...
08 Aug 2020Every cell in the body has organelles called mitochondria that (a) If the capacitance of a mitochondrion is 4.3 × 10-11 F and the potential difference between the interior and exterior is 0.18 V, how much electrical energy does it store? (b) If a mitochondrion were to use all...
08 Aug 2020Steam at 35 bar and 600 K enters a throttling valve that reduces the steam pressure to 7 bar. Assuming there is no heat loss from the valve, what is the exit temperature of the steam and its change in entropy? b. If air (assumed to be an ideal gas with C P = 29.3J / mol.K ) ent...
08 Aug 2020A mixture is 10.0 mol % ethyl acohol, 75.0 mol % ethyl acetate(C4H8O2), and 15.0 mol % aceticacid. Calculate mass fraction of eachcompound . What is theaverage molecular weight of the mixture? What would be the mass inkg of a sample containing 25.0 kmol of ethyl acetate.Please sh...
08 Aug 2020The cylindrical surface ρ = 8 cm contains the surface charge density ρs = 5e -20|z| nC/m2(a) What is the total amount of charge present? (Please show all steps.) Not so concerned about the answer but more about the process.(b) How much electric Flux leaves the surface ρ = 8 cm, 1...
08 Aug 2020A rigid ( ie. Constant volume), non-conducting ( ie. Perfectly insulated, no heat losses or gain) tank with a volume of 3.3 m^3. The tank is divided into two unequalparts by a thin membrane. One side of the membrane representing 1/3 of the tank is filled with nitrogen ( may be ...
08 Aug 2020Derive an equation for the work of mechanically reversible, isothermal compression of 1 mol of a gas from an initial volume V1 to a final volume V2 when theequation of the state is where b is a positive constant. P(V-b) = RT (B) derive an equation for thw work of mechanica...
08 Aug 2020Benzene is to be absorbed from coal gas by means of a wash oil. The inlet gas contains 3% by volume of benzene, and the exit gas should not contain more than 0.02%benzene by volume. The suggested oil circulation rate is 5 kg oil per 1m3 of inlet gas measured at STP. The wash oil ...
08 Aug 2020Prove that any real symmetric matrix have only real characteristic roots. >
02 Aug 2020Given that a 3x3 square matrix A = 8 -6 -2 -6 7 -4 2 -4 3 . Find the sum of eigen values and product of eigen values >
02 Aug 2020If a matrix has eigen values 3 and 15 find the eigen values for A - 5I and A^2 A= 8 -6 -2 -6 7 -4 2 -4 3 >
02 Aug 2020Let A= 6 -2 2 -2 3 -1 2 -1 3 Given that product of two eigen values = 16 find the third eigen value >
02 Aug 2020If a matrix A = 1 0 1 1 is given find the eigen values of B = -1 0 1 -1 using the eigen values of A >
02 Aug 2020If a matrix A= 3 -1 -1 5 verify matrix A satisfies CayleyHamilton theorem >
02 Aug 2020Using cayley Hamilton theorem find the inverse of A if A = 1 4 2 3 >
02 Aug 2020Find a matrix P such that P inverse AP = D, a diagonal matrix for A = -1 3 -2 4 >
02 Aug 2020If A is orthogonal matrix prove A Transpose and A inverse are also ortogonal. >
02 Aug 2020Show that the matrix 1/9 (-8 4 1) 1 4 -8 4 7 4 is orthogonal >
02 Aug 2020Find the matrix A whose eigen values are 1,2 and eigen vectors are (3,2)T and (1,1)T >
02 Aug 2020Find the matrix A whose eigen values are 1,6 and eigen vectors are (1,-1) and (4,1) >
02 Aug 2020Find matrix A whose eigen values are 5,1,1 and eigen vectors are (1,1,1) (2,-1-0) and (1,0,-1) >
02 Aug 2020