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Mechanical-Engineering Questions
Mechanical-Engineering Questions
An air-standard Brayton cycle includes a regenerator which is shown in the below figure. The air...
I need to answer the following question: assume you have two pipelines, one with diameter d...
Based on the parameters that define a gear (N, Φ, Pd, K1, K2), develop a mathematical...
A UNS G1030 steel shaft, heat treated to a minimum yield strength of 75 kpsi has...
For the following pair of variables, state the units that might be used to measure each...
Chapter 15: 1. Shear plane angle and shear strain: In an orthogonal cutting operation, the tool...
What are the two-tolerance zone shapes a straightness tolerance can have?
Two steel plates, each ¼ inch thick, are to be joined by two fillet welds. If...
is this statement true? with explanation please. "The Products of blast / high furnace is poured...
I was at my Sunday leather sewing bee recently and one of my friends was lamenting...
Determine from Navier-Stroke equation the velocity profile Couette flow with a constant pressure gradient dp/dx. Couette...
A steel rotating shaft is subjected to a nending moment of 150Nm and a force F...
Air in a factory for drying apricots had dry bulb temperature of (Tdry) 25oC and wet...
Give an example for “Structural decomposition” for a project “ Autonomous vehicles to move to pickup...
The first step in performing hydraulic calculations is: a) Select a point from the correct density/area...
When is the roll moment positive? When the aircraft turns toward right about the normal axis...
3) A solar powered steam generator operates under an ideal Rankine cycle. Water at a pressure...
I need to calculate Cp per chord unit of a symmetrical thin airfoil at 10 aoa,...
An outcrop contains a slate-quartzite contact dipping 40°/110°. A horizontal traverse is made from this outcrop...
a vacuum have at the intake duct to a fan gives a reading of 4.2 in...
A crane is used to lower weights into a lake for an underwater construction project. Determine...
List five things a driver of a BEV can do to extend the driving range of...
Consider the following data: x : -7, -5, -1, 0, 2, 5, 6, .y: 15, 12...
a-In polymers, why is thermal conductivity different in crystalline regions, compared to non-crystalline (amorphous) region? b-What...
A mercury U-tube manometer is used to measure the pressure above atmosphere of water in a...
492) Calculator exercise. For the matrix [1 7; 4 2] determine the ordered eigenvalues (e1,e2), where...
Water (density = 1000 kg/m3) flows through a duct that makes a 180 degree U-shaped bend...
A Hole with a Perpendicular Tolerance of 0.010 and a Positional Tolerance of 0.030 is located...
Low carbon steel having a tensile strength of 300 MPa and a shear strength of 220...
An area is defined by two curves y = x and y = x2 as shown...
how to plot the velocity profile in matlab? given max velocity and diameter for aorta
5KJ heat energy is needed to raise 1kg of a substance 1-degree kelvin. calculate the heat...
you can use rectilinear or Euclidean (direct linear) distance We want to find a location for...
Consider the following stress state in plane stress: Qx = 120 MPa Qy = -30 MPa...
Problem 7-173- A piston–cylinder device contains air that undergoes a reversible thermodynamic cycle. Initially, air is...
Explain why and how a range of defect sizes that can be detected for each nondestructive...
A person who has a weight of 161 pound-force [lbf] on Earth is travelling to Mars...
Liquid water enters a nozzle at 20ºC with a speed of 1 m/s and exits at...
A single crystal of Al has the FCC crystal structure and is oriented such that a...
A rectangular steel block 40mm long by 20mm wide by 30mm high, is subjected to uniform...
Consider a solid body having mass m, volume V, density = 10000 kg/m3 , specific heat...
Honda CRV (RWD) has the following specification: m = 300kg, wheelbase = 2800, h = 250mm....
Refrigerant 134a enters a compressor with a mass flow rate of 15 kg/s with a velocity...
Turning tests have resulted in 5-min tool life at cutting speed=160 m/min and a 41-min tool...
gas a diffuses 0.75 time's as fast as gas b the mass of gas b is...
A 15 cm diameter, 2 cm thick sight glass installed in the wall of a glass...
1- A cylinder has a diameter of 12 inches, is 8 inches long, and has a...
Consider a steady flow Carnot cycle with water as the working fluid. The maximum and minimum...
A large plate of some unknown material is known to have an scratches along the edge...
A rod of 20 cm in length produces heat of q ‘’’ = 0.05 W /...
Explain why the mechanical seals are preferred over the gland packings in the pumps
Describe the correct procedure for connecting and disconnecting an air hose from an air tool.
Air is contained in a 15.8ft3 tank at T = 840oF. A gage attached to the...
The relative humidity within a forest is 50% with a temperature of 23 oC during the...
Find the input work needed [kJ/kg] to pump water at 60 oC from 15 kPa to...
Draw a typical “Constant Life Fatigue Diagram”, indicating typical lines of fatigue cycles of 106, 105,...
A jet engine is travelling through air at 150m/s. The exhaust gas (assume PC model) leaves...
fluid mecahnics can you explain de different between and when do i have to use the...
The relaxation modulus of a specimen of tissue is ?(?) = ?0?−?. What is the time...
A centrifugal pump takes water from the bottom of a supply tank and delivers it into...
1.Explain why it is not good practice to run a centrifugl pump against a closed discharge...
Can someone help me with these 2, I am having trouble solving them. Question 4 Using...
Consider the expansion of N2 to a volume ten times larger than its initial volume. The...
(i) A total radiation thermometer (calibrated with a black body) reads a brightness temperature of 427...
A flask can hold a maximum of 140 grams [g] of Liquid A. Liquid A has...
A delivery service company has made a decision to purchase electric cars as their fleet vehicles....
A refrigerator operates on an ideal vapor compression refrigeration cycle with R-134a as the working fluid....
A solid square rod is cantilevered at one end. The rod is 1 m long and...
System Dynamics and Control
For the oxyacetylene welding process, assume that the energy of the gas (the combination of oxygen...
A cylindrical specimen of some metal alloy having an elastic modulus of 120 GPa and an...
Draw the piping isometric for the sample line shown below which connects nozzle N1 from vessel...
1. Do automotive OEMs share any responsibility for these failures? ( 2. What could be the...
( formula and units ) -vertical stress ? -vertical strain ? -shear stress ? -shear strain...
Agua inicialmente a 16 MPa y 440 °c se expande isptermicamente hasta que su volumen se...
An experiment is run to determine the kinetic coefficient of friction between a block and a...
An oxygen enrichment device is needed for people with impaired respiratory systems. To design such a...
Briefly describe the types of ventilation systems My subject is Plant Engineering
Steam enters a well-insulated throttling valve (treat the process as adiabatic) at a mass flow rate...
I could use some help in a manufacturing course. I need to understand what some technical...
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