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Q: A heat pump with refrigerant-134a (R-134a) as the working fluid is used to keep a space at 21 °C by ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: *18-4. A force of P = 60N is applied to the cable, which causes the 200-kg reel to turn since it is ...

A: Given data:   *The force applied to the cable is P=60 N. *The mass of the reel is m=200 kg. *The ini...

Q: The gear motor can develop 3 hp when it turns at 150 rev>min. If the allowable shear stress for t...

A: The power is given as, The angular velocity of the rotation is written as,  

Q: A lever AB of negligible weight is loosely fitted onto a 2.5-in.-diameter fixed shaft. Knowing that ...

A: Free-body diagram shaft-lever arrangement is given as, The friction-gap is written as,  

Q: What is the mean effective pressure for the cycle

A: Mean effective pressure is defined with respect to the Otto cycle. It is defined as the imaginary pr...

Q: The brakes of a car are applied, causing it to slow down at a rate of 10 ft/s2 . Knowing that the ca...

A: Given Declaration of the car 10 ft/s2 Stopping distance = 300 ft To find Velocity of the car before ...

Q: When a 20-lb weight is suspended from a spring, the spring is stretched a distance of 4 in. Determin...

A: Calculate the stiffness of the spring by using the relation for force in a spring. Here, F is the f...

Q: For the bracket and loading of Prob. 4.7, determine the smallest distance a if the bracket is not to...

A: When bracket is not to move, the reaction force at A will be zero i.e. the bracket will be in equili...

Q: Question 4 Three collinear horizontal forces of magnitude 400 N, 200 N and 250 N are acting on rigid...

A: The data given is, Magnitude fo forces F1 = 400 N F2 = 200 N F3 = 250 N

Q: Q2) Uniform airflow at Mach 3 passes into a concave corner of angle 15°, as shown in Figure. The pre...

A: Write the expression of the relation between θ-β-M.

Q: Three cables are used to support a container as shown. Determine the angle formed by cables AC and A...

A: Solution :  

Q: Is the maximum shear stress theory is based on the idea of slipping that occurs in ductile failure?

A: The maximum shear stress theory also known as Guest and Tresca's theory states that the failure of a...

Q: Water flows at 15 f/s through a 6 ft wide rectangular channel as shown in the figure. The upstream d...

A: Given: Width of the channel B = 6 ft Discharge in the channel Q = 15 ft3/s   The value of discharge ...

Q: The inner and outer glasses of a 2-m × 2-m double pane window are at 18°C and 6°C, respectively. If ...

A: Given data: The area of the inner and the outer glasses is A=2 m×2 m= 4 m2 The space between the two...

Q: The 6061-T6 aluminum alloy solid shaft is ixed at one end but free at the other end. If the shaft ha...

A: The data given is, Diameter, d = 100 mm Eccentric force, P = Pcr = 80 kN   6061-T6 aluminum alloy ...

Q: Refrigerant-134a is to be cooled by water in a condenser. The refrigerant enters the condenser with ...

A:

Q: 6-3. Locate the centroid Iof the area.

A: Draw a small section in the parabolic curve.

Q: Why are throttling devices commonly used in refrigeration and air-conditioning applications?

A: In a refrigeration system, when the refrigerant exits the condenser it is at high pressure and this ...

Q: *11-44. Draw the shear and moment diagrams for the compound beam which is pin connected at B. (This ...

A: Calculating the reaction at the support:-    

Q: To unload a bound stack of plywood from a truck, the driver first tilts the bed of the truck and the...

A: Given Friction coefficient of plywood = 0.40 Friction coefficient of bed = 0.30 To find The smallest...

Q: What happens if the torsional loadings applied to the shaft?

A: When the torsional load is applied on the shaft, the shear stress is produced in the shaft, and this...

Q: On a day in which the local atmospheric pressure is 99.5 kPa, answer each of the following: (a) Calc...

A: Write the properties of the mercury. Write the expression of the pressure. Write the expression to...

Q: A body of weight 150N rests on an inclined plane as shown in figure 5. What is magnitude of force P ...

A: Given, W = 150N co-efficient of friction = 0.3 θ = 10 Free body diagram:   W =mg                   ...

Q: Three collinear horizontal forces of magnitude 400 N, 200 N and 250 N are acting on rigid body. Dete...

A: Given Forces F1 = 400 N F2 =200 N F3 =250 N To find Resultant Analytically and graphically 1) Same d...

Q: F16-2. The flywheel rotates with an angular velocity of w = (0.0050) rad/s, where e is in radians. D...

A: Given that,  

Q: The power P required to turn a ship will depend on its velocity V , its length L, its width B, the w...

A: The given variables are: Number of fundamental dimensions, The number of Pi terms are: The dimens...

Q: RS-9. The 8-mm-diameter bolt is made of an aluminum alloy. It fits through a magnesium sleeve that h...

A: Given data: The inner diameter of the bolt is di=12 mm. The outer diameter of the bolt is d0=20 mm. ...

Q: Two large air tanks, one at 400 K and 300 kPa and the otherat 300 K and 100 kPa, are connected by a ...

A: Given Data: The pressure in the large tank 1 is: P1 = 300 kPa. The temperature in the large tank 1 i...

Q: Packages are thrown down an incline at A with a velocity of 1 m/s. The packages slide along the surf...

A: Given data: *The velocity of the package incline at A is VA=1 m/s. *The velocity of the package on t...

Q: please i want solution with full steps

A: From Mohr’s diagram. Draw the stress element.

Q: A simple vapour compression refrigeration cycle using R-12 is designed for taking a load of 10 tonne...

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are...

Q: What do you mean by conservation of mechanical energy?Write the mathematical form.

A: Step 1 Law of conservation of mechanical energy:- The total amount of mechanical energy in a closed ...

Q: The 40-kg disk is rotating at = 100 rad/s. When the force P is applied to the brake as indicated by ...

A: Given data: Mass of the disk, m = 40 kg Radius of the disk, r = 150 mm Angular velocity ω = 100 rad/...

Q: A test machine that kicks soccer balls has a 5-lb simulated foot attached to the end of a 6-ft long ...

A: Write the expression of the law of conservation of energy.

Q: A short wooden post supports a 6-kip axial load as shown. Determine the stress at point A when (a) b...

A: Determine the area and moment of inertia of the cylindrical body,  

Q: 9-29. The bar has a cross-sectional area of 1800 mm', and E - 250 GPa. Determine the displacement of...

A: From the figure, the load acting on the bar is a variably distributed load. Write the formula for to...

Q: 10-7. The copper pipe has an outer diameter of 40 mm and an inner diameter of 37 mm. If it is tightl...

A: Given data: The outer diameter of the copper pipe is do=40 mm. The inner diameter of the copper pip...

Q: Two 0.5-cm-diameter rods of 1020 steel (σts = 395 MPa) are to be joined with a silver braze alloy 0....

A: As we know that ultimate strength and the yield strength belongs to the material properties. They wi...

Q: The isentropic efficiency of a nozzle is defined as the ratio of the actual kinetic energy of the fl...

A: The isentropic process is the process in which entropy of the fluid remains constant. The isentropic...

Q: drag is 125 kN and the flight path angle is 6°. Determine the angle of attack and the thrust require...

A: Given that, The steady-state diagram is showing below,  

Q: Consider a regenerative gas-turbine power plant with two stages of compression and two stages of exp...

A: The T-s diagram of regenerative gas-turbine is given as, On using table A-17, the pressure ratios a...

Q: What is the difference in material property of low carbon & high carbon steels?

A: Low carbon steel –in this steel carbon percentage is less than 0.30%.this steel is ductile in nature...

Q: How The product pressure × volume has energy units.

A: Step 1: Write the units SI units of pressure and volume.

Q: An insulated piston–cylinder device initially contains 20 L of air at 140 kPa and 27°C. Air is now h...

A: Given Data: The initial volume of air is: V1=20L The initial pressure is: P1=140 kPa The initial te...

Q: Show that the force exerted by a liquid jet on a stationary nozzle as it leaves with a velocity V is...

A: Assumptions: Flow is steady and incompressible. The frictional effects are negligible. Flow is unif...

Q: 19-6. The airplane is truveling in a straight line with a speed of 300 km/h, when the engines A and ...

A:

Q: The collar has a weight of 50 lb and falls down the titanium bar. If the bar has a diameter of 0.5 i...

A: Write the formula for static deflection of the given load i.e. the weight of the collar. Here, P is...

Q: 12-34. The beam is constructed from two boards fastened together with three rows of naiks spaced s =...

A: Given Applied force = 2.25kN = 2.25 X103 N Allowable shear stress = 2.1 MPa Nail spaced = 50 mm To f...

Q: List the seven primary dimensions. What is significant about these seven?

A: Solution : They are also known as fundamental quantities.  The seven primary dimensions are :