Q & A - Engineering

Q & A

• 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 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 densi...
• Iraw 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 Iraw 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 cl...
• Consider 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 = Calculate the amplitude of the resulting oscillations of Consider 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 t...
• Exercise 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 Exercise 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...
• The 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 The 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....
• If 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 If 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...
• Explain 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 Explain 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 thic...
• Liquid 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 Liquid 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 te...
• From 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 From 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 te...
• Write 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 Write 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...
• Width -3m P- For 3m 4m LOOD 4x3 58800 e 4.3 12 = 0 267 4.3.5 singo Fen 4m 3m 9.8L, 1000 Width - 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
• Plug Determine the mem & location of the base wth on the plus to 677  Plug Determine the mem & location of the base wth on the plus to 677
• cutting 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 cutting 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 o...
• Find the most efficient scheme synthesizing amphetamine racemic through the use of a Magnesium-Halogen replacement reaction Answer PrevieW Grignard reaction is the Find the most efficient scheme synthesizing amphetamine (racemic) through the use of a Magnesium-Halogen replacement reaction.Answer Preview………….Grignard reaction is the ...
• Methanol CH3OH is synthesized from carbon monoxide and hydrogen in a catalytic reactor 100 mol/h of fresh feed is fed to the process containing Methanol (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 % H...
• Butanol 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 Butanol 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...
• Laminar 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 Laminar 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,...
• Momentum 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 Momentum 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...
• Perform 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 Perform 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...
• The density of a fluid is given by the empirical equation p 70 5 exp 8 27 10-7p where p is density lbm ft3 and P is pressure The 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).
• The 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 The 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.
• The 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 The 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 ...
• Velocity 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 Velocity 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...
• Gas 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 Gas 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...
• A 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 A 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 co...
• At 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 At 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 H2S...
• An 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 An 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 ...
• A 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 A 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 i...
• Place 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 Place 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 con...
• SASOL 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 SASOL, 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, ...
• Every 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 Every 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 interi...
• Steam 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 Steam 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...
• A mixture is 10 0 mol % ethyl acohol 75.0 mol % ethyl acetate C4H8O2 and 15 0 mol % aceticacid. Calculate mass fraction of each compound What is the average molecular weight of the mixture A 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 ...
• The 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 The 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 c...
• A 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 A 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 unequalpar...
• Derive 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 the equation of the state is where b  Derive 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 t...
• Benzene 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 Benzene 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...
• Prove that any real symmetric matrix have only real characteristic roots Prove that any real symmetric matrix have only real characteristic roots. >
• Given that a 33 square matrix A 8 6 2 6 7 4 2 4 3 Find the sum of eigen values and product of eigen values Given 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 >
• If a matrix has eigen values 3 and 15 find the eigen values for If 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 >
• Let A 6 2 2 2 3 1 2 1 3 Given that product of two eigen values 16 find the third eigen value Let A= 6 -2 2 -2 3 -1 2 -1 3 Given that product of two eigen values = 16 find the third eigen value >
• If a matrix A 1 0 1 1 is given find the eigen values of B 1 0 1 1 using the eigen values of If 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 >
• If a matrix A 3 1 1 5 verify matrix A satisfies CayleyHamilton theorem If a matrix A= 3 -1 -1 5 verify matrix A satisfies CayleyHamilton theorem >
• Using cayley Hamilton theorem find the inverse of A if A Using cayley Hamilton theorem find the inverse of A if A = 1 4 2 3 >
• Find a matrix P such that P inverse AP D a diagonal matrix for Find a matrix P such that P inverse AP = D, a diagonal matrix for A = -1 3 -2 4 >
• If A is orthogonal matrix prove A Transpose and A inverse are also ortogonal If A is orthogonal matrix prove A Transpose and A inverse are also ortogonal. >
• Show that the matrix Show that the matrix 1/9 (-8 4 1) 1 4 -8 4 7 4 is orthogonal >
• Find the matrix A whose eigen values are 1 2 and eigen vectors are Find the matrix A whose eigen values are 1,2 and eigen vectors are (3,2)T and (1,1)T >
• Find the matrix A whose eigen values are 16 and eigen vectors are Find the matrix A whose eigen values are 1,6 and eigen vectors are (1,-1) and (4,1) >
• Find matrix A whose eigen values are 511 and eigen vectors are Find matrix A whose eigen values are 5,1,1 and eigen vectors are (1,1,1) (2,-1-0) and (1,0,-1) >