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Mechanical-Engineering Questions
Mechanical-Engineering Questions
why is it important to know the vibration modes of a structure subjected to dynamic load?
Determine the maximum usable tractive drawbar pull and the maximum speed on a 10%slope uphill) in...
Determine whether the following statement is True or False: We cannot calculate the change of enthalpy...
1- what does the degree of polymerization indicate? 2- Cite the primary differences between addition and...
a. Determine the length of the converging and diverging sections of the rocket nozzle by treating...
2_9: Air enters a compressor operating at steady state at 14.7 lbf/in2, 70 oF, 23 ft/s...
A vehicle has a weight of 5,000 and a rear static weight on wheels of 4,153,...
An ideal air-standard Brayton cycle operating at steady state produces 50 MW of power. Operating data...
I do not understand why a face centered cubic has an a= 4r/sqrt2 and why a...
Air flows around a cylinder of 5-cm radius at 15cm/s (the Reynolds number is 1000), with...
an aluminum sphere with an 8 cm diameter is exposed to 60C air with convection heat...
A piece of machinery is suspended using two vertical solid cylindrical bars. The bars are 10...
A portable oxygen tank (similar to one used in hospitals) measures 30-cm-diameter and 1.3-m-high. The tank...
Air, initially at 300 K and 100 kPa, is compressed adiabatically in a steady flow compressor...
Support Reactions for a point – loaded, Simply Supported Beam lab write Objective only
if barometer reads 750 mm Hg Pm= 13.59 g/cm^3 g=9.81 m/s^2 Find the Patm if P(mercury)...
Which of the following items below could have a inelastic demands? 1.Furniture, 2. Fuel, 3.Clothing, 4.Vehicle,...
Please assume that 1 kilomole of an ideal gas is trapped inside a 10 ?^3 container...
Give a detailed explanation of how a pulse counter is used to measure the rotational speed...
First Derivative Central: Write a user written function that expects as its input argument a vector...
The cross-section of an idealized I-section beam has overall dimensions 120 mm x 240 mm deep....
In four stroke engines, the crankshaft spins twice as fast as the camshaft. Although most small...
how does the fatigue testing machine work ? what does it give us ? and what...
Water flows from a tank located above the ground through a pipe to the turbine and...
A long steel bar (20 mm diameter) at 455°C is placed horizontally in a water bath...
Manufacturing Process Materials: (Powder) 2. A gear is to be manufactured from iron powders. It is...
1) Using the tables for water determine the specified property data at the indicated state. For...
Use stress-strain curves to explain the concept of failure strength when ceramics materials are loaded in...
On Tuesday evening a group of students ran out of gas 500 m from a gas...
Find the constant volume combustion adiabatic flame temperature for stoichiometric methane and air initially at standard...
A piston-cylinder device initially contains steam at 200 kPa, 250°C, and 0.4 m3. At this state,...
Determine the required raise of temperature from 723oC to increase the number of vacancies by a...
This is a problem of design of thermal system. A water supply of 1.25 kg/s must...
Simplify the full model to ½ (half car- pitch and bounce), ¼ (quarter car) and 1/8...
Water is pumped at the rate of 1400 L/m through a centrifugal pump operating at a...
In real life, when the fibre length is longer than critical length, it will break into...
Newton’s Law of Cooling states that the temperature of an object changes in time according to...
1) i) Name two alterations of biomaterials surfaces that are impacted by abrasive blasting ii) What...
In a low speed rear impact collision at 8mph, your head moves at a force as...
Consider a closed, rigid tank with a volume of 0.8L, filled with cold water initially at...
Design the condenser of a steam power plant that has a thermal efficiency of 40 percent...
In a wind tunnel which includes the effects of a moving road, we measure a drag...
insert a photo or sketches for dynamics system
Three refineries with daily capacities of 6, 5, and 8 million gallons, respectively, supply three distribution...
Use the following to answer questions 7-10: A = 4.0 m ± 0.2 m, B =...
THE FAN AND THE TURBINE aerospace How can the gearbox improve the efficiency? How does it...
Air enters a nozzle at 810°C, 3.4 MPa with a velocity of 60 m/s. The discharge...
A vertical piston- cylinder device contains 0.85 kg of R134a at -10°C. The piston has free...
An airship with a displacement volume of 2400m3 and total mass of 1.6 tonnes is released...
Determine the roller speed if a soil achieves optimum compaction at 10 impacts per foot and...
10 t/h of grain are dried in a dryer where 500kg/h of evaporation water has to...
(Intro to Thermo, Heat transfer, and fluids) 1kg of water is held in a stationary piston/cylinder...
There are 4 stages that occur during the sintering process of metallic powders at a microstructure...
wihich agency certifies personal protective equipment for workplace use
Oxygen is heated from 700 to 1400 R. Determine the enthalpy energy change Δh of oxygen,...
Determine the critical sizes of a spherical nucleus and a cube-shaped nucleus formed through the process...
Find the resistance R (Ns2/m8) of a 100 m length of an airway where the friction...
Water is forced through a contraction causing low pressure. The water is observed to boil at...
Compare the Brinell hardness test to the Rockwell hardness test. What are the advantages and disadvantages...
Provide some discussion of electromagnets, why would these not work for both lab and scale up?
A 55 wt% Al2O3 - 45 wt% SiO2 ceramic tile weighing 1000 grams experiences two different...
The thrust force F of the propeller is generally thought to be a function of its...
A pump having Hpump = -9.12E-5 x GPM^2 + 350 is installed in a system with...
A large plane wall has a thickness L = 50 cm and thermal conductivity k =...
An aluminum alloy has an ultimate tensile strength of 220,000 psi, what is it's uncorrected endurance...
Your large marijuana greenhouse facility requires 600 KW of power on an average day to maintain...
Consider the most efficient " steam power plant " operating on an"ideal" Rankine cycle which uses...
A cylindrical rod of 1040 Steel originally 10.5 mm in diameter is to be cold worked...
Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 6 MPa,...
An insulated piston-cylinder device initially contains 0.13 m3 of CO2 at 151 kPa and 29 oC....
1. Please use EQUATIONS to support your answers. What and why is the main energy consumption...
2. Internal Combustion Engines can be classified in a number of different ways, please write four...
P(L)=(pi2EI)/L2 A vertical column buckles when too large a weight (P) is placed on it. the...
Five kg of water is contained in a piston–cylinder assembly, initially at 5 bar and 360°C....
For a spring-mass system, the mass is 4kg and stiffness 2500 N/m. Write the equation of...
Question 1 A piston-cylinder assembly contains 3.2 kg of water at 211.9oC and 3 bar. The...
an aluminum alloy 2014-T4 tension rod of diameter d and intial length l is used in...
A beam, 3 m long, is simply supported at its ends and is to carry a...
please answer all 10 questions! Question 1 If the refrigerator's efficiency is 61.7% and Q(cold) is...
2. how does an idler inserted between driving and driven gears effect the speed ratio? 3....
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