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Mechanical-Engineering Questions
Mechanical-Engineering Questions
You have an aluminum housing that calls for two holes 12 inches apart. The drawing notes...
4. (20 pt) A wood beam AB on simple supports with span length equal to 9...
A pure magnesium alloy is emptied in a sand mold. If the longitude of the sprue...
7.7 kg/s cold feedwater enters a 500kPa open feedwater heater (a mixing chamber) at 50oC. Bleed...
In a processing plant that works with energetic material the engineers are debating what is the...
Perform calculation of steam Rankine cycle and study ORC systems: o Steam Rankine cycle: ▪ Assume...
1. A pump steadily delivers 13.7 kg/s of water at the conditions given below. Calculate the...
please show work so i can understand any mistakes I may have made if any. I...
determine the prandtl number, nusselet number, and reynolds number from the following flow data. cp= .5...
Draw the pressure force acting on a.) a spherical fluid blob b.) a cylindrical fluid blob...
I need help with the following question. Any examples and drawings as well as a detailed...
A combined cycle gas turbine / vapor power plant uses the turbine exhaust as the energy...
A large flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress...
A Carnot heat engine operates with a high pressure of 750°C. The engine rejects 200 MJ...
Write a complete note with a clear explanations giving examples using figure or drawing about each...
Compare metals and polymers in these aspects: working conditions, product complexity, properties, and energy consumption.
Describe the general features of metal, ceramic, and polymer (plastics), give two examples for each type...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in...
A block of iron ore A of mass m = 350 kg and specific heat capacity...
Problem 9.43 The 4 m x 4 m horizontal roof of an uninsulated aluminum melting furnace...
Air undergoes an isentropic process from p1=1atm, T1=540R to a final state where the temperature is...
A gas contained within a pistoncylinder assembly undergoes two processes, A and B, between the same...
A block that is a m square slides from left to right across a flat plate...
Q:1 Using the tables for water determine the specified property data at the indicated state. For...
A 75-hp (shaft output) motor that has an efficiency of 80% is worn out and is...
A car traveling at 60mph applies its brakes and stops in 5 seconds. What is its...
Consider a converging-diverging nozzle with subsonic inlet conditions. Answer with justification. Use the sketch of the...
Q A power plant located at Penang has been generated by Brayton cycle to operate gas...
1.Explain the working principle of simple vapor compression refrigeration system with neat diagram
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
A 50mm x 150mm multilayered printed circuit board (PCB) is densly populated with BGAs on its...
Using Matlab: Accelerometers are widely used in aircraft, rockets, and other vehicles to estimate the vehicle’s...
4. A mass of 5 kg undergoes a process during which there is heat transfer from...
How to plot the example of the spherical pendulum with the lagrange metrod using matlab
A 5 kg mass is hung on a spring with a stiffness of 70 N/m. find...
find polar moment of inertia for a 4.76 mm diameter rod?( the rod is fixed on...
explain how you could use the Wheatstone bridge to eliminate the undesirable effect of the strain...
The problem statement for problem 1 Consider an open feedwater heater with two intakes and one...
Use the principle of the Zeroth Law to explain what happens toair that enters the...
The belt and gear system of a lathe uses a driving motor whose rotation speed is...
Explain the main difference between a) a positive displacement compressor and b) a dynamic compressor with respect...
A solid circular rod of diameter d undergoes a bending moment of M = 1250 lbf...
4. How much water is needed to produce 1 kWh of electricity at a power plant...
Example: The sensible- and latent-heat gains in a space served by a single-zone air conditioner are...
Explain the importance of Industrial drawings and the use of dimensions. Why are tolerances & dimensions...
1. 3x1 - 2x2 + x3 = -10 2x1 + 6x2 - 4x3 = 44...
6. What are the causes of the inhomogeneous density of compacted green parts in powder metallurgy?...
Before going on a ski trip to Tahoe, you inflated your car tires to the recommended...
Hey guys, I have a question that is of my own curiosity if you need any...
How is head loss related to pressure loss? A. Head loss is the same as the...
21.33. An orthogonal cutting operation is performed on a certain metal whose volumetric specific heat =...
The value of compressibility factor (Z) for PR = 3 and TR = 1.4 is: a)0.54...
A closed thermodynamic system consists of a stone with a mass of 5 kg and a...
Chapter 29 Welding Processes-Fundamentals of Modern Manufacturing 6th 29.2 (SI units) In the previous problem, a...
The stream function for a certain incompressible flow field is given by the expression Ψ =...
What is the theoretical fracture strength of a brittle material if fracture occurs by the propagation...
You are the leader of a project to design and manufacture a super-lightweight, high-performance bicycle. It...
What are the units for modulus of resilience if you are using psi for stress and...
Is it always desirable to minimize wear?
A roulette ball weighing 3.75 g moves at 10 rad/sec when first spun around the track....
A long slender solid cylindrical rod made of copper is 2 cm in diameter. It is...
Use a psychrometric chart to determine the properties of air under different conditions. 1-Find the properties...
29.7 Quality problems are occurring in a resistance spot-welding operation in the fabrication of steel containers....
QUESTION 1 The wall of a refrigerator is constructed of fiberglass insulation (k - 0.035 W/m...
Whats the dynamic viscosity of air at 1500 meters?
A cylindrical test specimen is subjected to a torque of 5000 lb-in and an axial tensile...
A customer complains that when the vehicle goes over rough railroad tracks, the manual transmission jumps...
Based on the definitions of static, dynamic and hydrostatic pressure which of these pressures is used...
The kinematic viscosity of a hydraulic oil is 89 cS. If it is flowing at 17...
Using the shrinkage allowances shown below, how much extra should be added to the mold dimension...
PLEASE ANSWER BOTH, I KNOW ITS LONG BUT ITS FOR FUTURE GRADING. 6. Consider a binary...
Question 1. For each of the plane-stress conditions given below, construct a Mohr’s circle of stress,...
1. a. Distinguish between mechanical fatigue, thermomechanical fatigue, thermal fatigue and corrosion fatigue. b. Differentiate between...
If the bolt is preloaded to 12 kips, and an ultimate external load of 13 kips...
A two-point transfer gauge that can be used with an outside micrometer to measure inside diameters...
Two metals A (melting point 800°C) and B (melting point 650°C) form a binary isomorphous system....
A Rockwell A test was conducted on a material and a penetration depth of 0.15mm was...
Consider a case of a fluid having a Prandtl number equal to ?. For flow pass...
The wingspan of a glider is to be altered by doubling the size, thereby doubling the...
The Poisson’s ratio links the lateral contraction of a material to the axial expansion when it...
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