A refrigerator has a coefficient of performance of 1.6. How much work in KJ must be supplied to this refrigerator for it to reject 1000 KJ of heat?

Q: There is a position tolerance applied to a four hole pattern and another position tolerance to a…

A: Introduction Tolerances in mechanical engineering describe the allowable deviation from stated…

Q: 4. A roller chain is to transmit 38.5 hp from a splitphase motor, turning 650 rpm, to a…

A: Given: P = 38.5 hp = 28.71 kW N1 = 650 rpm N2 = 200 rpm T1 = 21 teeth Ks = 1.6

Q: 3. A small 25 mm square hole is made in the thin-walled door of a furnace whose inside walls are at…

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Q: The 5-lb packages ride on the surface of the conveyor belt as shown in (Figure 1). The coefficient…

A: Part (A): Write the given data. vi=0vf=2 ft/st=2 sμs=0.45

Q: 1. If I want the 100-lb block to move with a constant acceleration of 5 ft/s² up the slope, what is…

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Q: Determine the horizontal and vertical components of reaction at pin C. Take that P₁ = 450 N and P₂ =…

A: Given that: P1 = 450 N P2 = 540 N It is required to determine the horizontal and vertical component…

Q: I should be getting a postive sign. I know that the integral of my shear calculation is going to be…

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Q: 21 k (i) его m 9 Let the position vector for m have the form A particle of mass m is suspended by a…

A: Given: To find: Expression for kinetic and potential energy Approximation for potential energy…

Q: A single drum drier, operating at atmospheric pressure, is being used to dry a wet slurry,…

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Q: 1. Determine the force in members JI, IC, and CD of the truss. State if the members are in tension…

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Q: A temperature sensor may be modeled as a sphere having a thermal conductivity of 91 W/m-K, a density…

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Q: Design the diameter of a steel pipe to carry water having kinematic viscosity v=10 m²/s with a mean…

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Q: It is observed that the skier leaves the ramp A at an angle A = 22° with the horizontal. (Figure 1)…

A: Given Data The angle at A is: θA=22° The distance of B is: B=100 m The height of A is: A=4 m The…

Q: A hollow circular shaft has an outer diameter of 100 mm and a wall thickness of 25 mm. The allowable…

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Q: In the hanger shown in figure 2, the upper portion of link ABC is 3/8 in. thick and the lower…

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Q: A 50-mm diameter cylinder is made of a brass for which the stress-strain diagram is as shown. The…

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Q: The velocity of a particle is defined as v(t) = {0.8t²i + 12t¹/2j+5k} m/s.

A: Given Data- A velocity equation given we have to find acceleration and coordinate angle

Q: How do you solve for the approximate life span of wire ropes?

A: Here solving the approximate of life span Rope wire

Q: Compute the moment of the force about the axis AB

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Q: A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0019 ft3 of saturated…

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Q: 21 ell m O 9 Let the position vector for m have the form A particle of mass m is suspended by a…

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Q: A rough pipe has a diameter 80 mm. the velocity at a point 30 mm from the wall is 30% more than the…

A: Given: Let us consider the given data, Diameter, d=80 mm Velocity at 30 mm wall=v1 Velocity at 10 mm…

Q: Space air at 20°C DBT and 50% RH is mixed with outdoor air at 45 °C DBT and 28 °C WBT in the ratio…

A: Given: Let us consider the given data, At space air DBT=20°C At space air RH=50% At outdoor air…

Q: Calculate the moment of inertia about the centroid in the y axis (ly) if H=7 in, h=1.2 in, B=8 in…

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Q: A helical compression spring has a scale of 400 lb/inch, an inside diameter of 2.5 inches, a free…

A: Given       Diameter, d = 2.5 in        Weight, W = 400 lb/in Working stress = 63 ksi      Free…

Q: The links of the chains are made of steel that has a working stress of 300 MPa in tension. If the…

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Q: 4. The inner wall of a thermos bottle is at 32°F while the outer at 102.0°F. The space between the…

A: Given data: Ti=32°F=273 KTo=102°F=312 Kε=0.1A=700 cm2=700×10-4 m2 Need to determine the energy…

Q: What is the internal shear force over the cross section at point C? 8 kN/m -30 kN ☐-6 kN 30 kN -62…

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Q: PLEASE ANSWER CORRECTLY and with full explanation dont do shortcut. you getting 2 $ for it.  DONT…

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Q: Determine the volume change, in ft3, when 1 lb of water, initially saturated liquid, is heated to…

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Q: 1. A local amusement park learned that you successfully completed Dr. Whiteman's Coursera course on…

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Q: A nozzle receives a steady flow of steam under the following conditions: inlet enthalpy 3200 kJ/kg;…

A: Given:Inlet enthalpy, h1=3200 kJ/kgExit enthalpy, h2=2805 kJ/kgInlet velocity, v1=60 m/sExit volume,…

Q: A motorist starts from rest at point A on a circular entrance ramp when t=0, increases the speed of…

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Q: Air is compressed in a piston-cylinder assembly from p₁ = 15 lbf/in², T₁ = 500°R, V₁ = 9 ft³ to a…

A: Given data :- P1 = 15 lb/in^2 , T1 = 500°R , V1= 9 ft ^3 V2 = 1 ft ^ 3 Process pv^1.2 = constant…

Q: Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 180 lb/in² and T₁ = 140°F to p2 =…

A: Given:  p1 = 180 lbf/in2  T1 = 140o F p2 = 30 lbf/in2 T2 = 80 oF m = 0.5 lb W1-2 = 4.32 Btu

Q: t Calculate the three lowest natural frequencies of a solid 20 cm radius steel shaft (G=80* 10'…

A: Given data :- Solid radius = 20 cm Shear modulus = 80 × 10^9 N/m^2 Density = 7500 kg/m^3 Length  =…

Q: (1-a) 4m 3 m 3 kN

A: given; lets take horizonta reaction force at A=RAHlets take verticalreaction force at A=RAVlets take…

Q: I need to figure out how to get the Magnitude of the Resultant Force, the elevation angle, and the…

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Q: The figure shows a riveted lap joint with cover plates connecting two steel plates. Each rivet has…

A: Given data Diameter of rivet = 12 mm Thickness of plate = 15 mm Width of plate = 100 mm a) if load =…

Q: Lifting cable danger. Cranes are used to lift steel beams at construction sites (Figure a). Let's…

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Q: ho Axis of rotation Free surface Zs he r R Q10) Consider a vertical cylindrical container partially…

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Q: A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a…

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Q: Part A The force F = (-6i+ 3j+ 14 k) N is applied to the block shown in (Eigure 1). Figure -3 m 2 D…

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Q: Consider a desired pump operating condition which adds 35 psi at a flow rate of 500 gpa to water.…

A: Given data  Pressure = 35 psi Flow rate = 500 gpm Density of water = 62 lbs/ft^3 Find the pump head…

Q: Lifting machine. Member AB of a machine weighs 40 lb with center of gravity at point C. Draw the FBD…

A: (a) Lifting machine : The reactions at point B are incorrect . As there should be no moment acting…

Q: A 5m³ tank contains saturated air at 25°C (Psat = 3.169 kPa) and 97 kPa. Determine the following:…

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Q: Two lbs of water vapor in a piston-cylinder assembly expands at a constant pressure of 200 lb/in²…

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Q: Which property of material can be determined by impact test?

A: following is the answer to the above problem-

Q: 9. Derive the transfer function X₂ (s)/F(s) for the mechanical system shown in Figure 2. Assume the…

A: Given Data: Mechanical system with a properties are M1 = 3 kg, M2 = 2 kg, K1 = 5 N/m, K2 = 3 N/m, D1…

Q: A piston-cylinder assembly contains 2 lb of water, initially at 100 lbf/in.² and 600°F. The water…

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