1. If f(x +2) = x² – 4x, what is f(x – 2)?

Q: At a hydraulic plant the propeller type turbine are rated at 48,000 HP at 82 rpm under a 14 meters h...

A: Given Data H1=14 m P1=48000 hp=35793.6 kW N1=82 rpm D1=7 m H2=11 m P2=36000 hp=26845.2 kW

Q: e following is TRUE for a hollow circular shaft subjected to a uniformly distributed in the elastic ...

A: The maximum shear stress will occur at outer surface and is uniform along length. So option A is inc...

Q: In a insulated rigid container there is helium gas being stirred by a paddle wheel using 0.02 hp for...

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Q: Determine the resultant couple moment acting on the beam shown: * 300 Ib 200 lb 1.5 ft 200 lb 300 lb...

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Q: If the blood viscosity is 2.7x10-3 Pa.s, length of the blood vessel is 1 m, radius of the blood vess...

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Q: Determine the resultant moment about the point (A) for all forces as shown in figure below: F, - 375...

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Q: There is no difference between the words BENT and FLEX

A: The word BENT is related to the Bending that occurs in machine parts  and  The Word FLEX is related ...

Q: A thin isosceles-triangular plate of height h and width w is pinned to a vertical shaft at point P a...

A: Given : To find : Equation of motion

Q: The composite beam shown in the Figure below is formed of a wood beam and a steel reinforcing plate....

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Q: 4. If the same engine (i.e., four-stroke, 2 liters) as above produces 76 kW at 5400 rpm (90 Hz), Fin...

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Q: Given is a triangular shape that has a hole in it of radius ? = 15 ??. The triangular shape is 10 cm...

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Q: If the internal torque experienced by a hollow brass shaft (G = 39 GPa) at a section with diameter d...

A:

Q: the reaction forces at

A: To find Reaction forces at Point A & D

Q: 3 m ml 4 m 2 m In the given figure below, the force F has a magnitude of 440 lb and direction as sho...

A: Given data Force , F = 440 lb

Q: %3D An LLE separating tank (r,c 36 cm) is filled with a combination of water (rho,w = 0.99 g/cm^3, h...

A: How much liquid passing a segment of a stream in unit time is known as the release. Assuming v is th...

Q: The 10-mm-thick bottom of a 200-mm-diameter pan may be made from aluminum (k = 240 W/m-K) or copper ...

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Q: Explain the functions of a steam generator

A: steam generators   steam genrators are heat exchangers use to convert water in to steam fromheat pro...

Q: An object has path described by the equation y = (x³²)/4. If at the point P, x = 16 m, v = 28.8 m/s ...

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Q: Q.2 Determine the resultant moment of the forces shown about point O as shown in figure 2.

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Q: re, a flow rate of 2 m3/s is active in a pipe, as seen in the attached figure. What is the expected ...

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Q: 1. A 20 kg block is resting on a 40 degree incline. If the coefficient of static and kinetic frictio...

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Q: Steam heated at constant pressure in a steam generator enters the first stage of a supercritical reh...

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Q: Problem 3: Consider the truss shown. a. Find the support reactions at A and D. Indicate the directio...

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Q: 141.4 lb

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Q: QUESTION 1 1.1A boiler plant generate steam at a pressure of 13,5 bar and with a temperature of 200°...

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Q: jct with e velocity of 12 m/s the d (hat if stertionary, it would deflect h an angle of 45°c, fin d ...

A: Q=60l/sU1=U2=12m/sα1=0°β2=45°w1=w2To-Find:-1) Angle through which it will deflect the jet2) Work don...

Q: Identify the applications, accuracies and limitations of the different pressure measuring instrument...

A: Different pressure measuring instruments are: Manometers Elastic element type  Strain gauge pressur...

Q: 3. What is the difference between Turn Coordinator and Turn and Slip Indicator?

A: the ture and slip indicator and turn coordInator are very similar.in fact , the turn and slip indica...

Q: an air-standard Carnot cycle heat is transferred to the working fluid at 1100 K, and heat is rejecte...

A: To given thatHigher temp.T1=1100Klower temp.T3=300KHeat transfer of working fluid=100kj/kgMinimum pr...

Q: At a hydraulic plant the propeller type turbine are rated at 48,000 HP at 82 rpm under a 14 meters h...

A:

Q: A 10 kg copper block (specific heat .=0.4 kJ/ Kg) at 90degC is immersed into an insulated tank conta...

A: Given that, Mass of copper, mc=10 kg, Cpc=0.4 kJ/kgK, tc=90oC Volume of water, Vw=0.35 m3, tw=30oC  

Q: An orifice of 8 cm diameter is fitted in a 20 cm diameter pipe that carries oil of specific gravity ...

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Q: A 100 mm diameter bar is used as a simply supported beam 4m long. The value of :Moment of Inertia (1...

A: Given Data D=100 mm

Q: Q4\ Determine the moment of the force about point O. Neglect the thickness of the member. 50 N -100 ...

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Q: Determine the resultant couple moment acting on the beam shown:

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Q: At the beginning of compression an ideal Diesel cycle using air has a pressure of 15 psia, a tempera...

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Q: A steel bar with an ultimate strength of 131 kpsi is loaded in bending and failed after 53,957 compl...

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Q: A closed system having a mass of 50 kg has an initial velocity of 10 m/s. Subsequently its velocity ...

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Q: The revolving crank ED and connecting link CD cause the rigid frame ABO to oscillate about O. For th...

A: ω=0.4rad/sα=0.06rad/sAF=2mFB=3mFC=2mCO=1.5mCD=1.5mDE=0.5m To-Find  Acceleration of point A wrt B

Q: A model rocket is launched from point A with an initial velocity, V₀, of 85 m/s. If the rocket’s des...

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Q: 2.18 What is the change in the viscosity and density of water be- tween 10°C and 70°C? What is the c...

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Q: A 100 mm diameter bar is used as a simply supported beam 4m long. The value of R1 * is

A: For the first question taking moment about right side, R1×4-w×31.5=04R1=4.5wR1=1.125w

Q: 7. Why are land and groove markings on a bullet considered Class Evidence, while the striation marki...

A: why are land and groove marking on a bullet considered class evidence. while the striation marking o...

Q: In tensile test the percentage of elongation was 29.8%. If the final length reached to 84.37mm, so t...

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Q: 3. Determine the angle of rotation 0, at free end of the beam using area-moment method. q = 150 N/m ...

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Q: The concrete slab of a basement is 11 m long, 8 m wide, and 0.5 m thick. During the winter, temperat...

A: Given: slab of 11m X 8m X 0.5m K = 1.4 W/mK T1 = 17 deg C T2 = 10 deg C

Q: 5. Determine the Resultant Force at A. 2 ft Fe 490 lb Fg 600 lb 4 ft 6 ft 3 ft 4 ft 2 ft 4 ft 3

A: Forces are written in vector form and resultants are calculated.

Q: In using the polygon method, why should you use a relatively large scale (atleast 1 mm/5 g) to find ...

A: given; In using the polygon method, why should you use a relatively large scale (at least 1 mm/5 g) ...

Q: Hot-surface temperature of a 12-mm thick fire brick wall is maintained at 913 K. If the average ther...

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Q: Determine whether the unity feedback system below with G(s)

A: To determine whether the given unity feedback system is stable.

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.