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Mechanical-Engineering Questions
Mechanical-Engineering Questions
1. What five (5) basic parameters need to be measured during a pump test in order...
A compression ignition engine is being analyzed. The residual gas fraction is xr=0.02. The fuel-to-air equivalence ratio is...
Determine the quality of Refrigerant-22 at 1ºC and specific internal energy of 91.1kJ/kg.
A light aircraft has a weight of 10kN. The weight of the pilot and passengers is...
A 160 m3 rigid tank is filled with saturated liquid-vapor mixture of water at 50oC. 70%...
If fluid flowing at a rate of 3 cubic ft/sec through a 6-inchdiameter piperesults in a...
A single pass heat exchanger is used to cool milk from 65 C to 20 C...
For 46,400 Euros you can have a new Ferrari with a V-12 engine rated at 808...
The speed of the earth in its orbit is 29.8 km / s. Considering a displacement...
A vapor-compression heat pump system uses Refrigerant R-134a as the working fluid. The refrigerant enters the...
A manual arc-welding cell uses a welder and a fitter. The cell operates 2000 hr/yr. The...
he most frequently used gypsum board panel thickness for residential buildings is 6 ft by 10...
Define the followings and give the reason why they are very important experimental design features in...
Hi i need a research about any subject related to one of these subject: energy methods...
Trace amounts of sulfur (S) in coal are burned in the presence of diatomic oxygen (O2)...
My son, daughter and dog have successfully built a storm-making machine! They've created a storm that...
Given: the steel has a strength coefficient of 530 MPa, a strain hardening coefficient of 0.26,...
A 5000-lb airplane loops at a speed of 200 mi/h. Find (a) the radius of the...
Consider a plate-type fin made of AISI 1010 steel attached to an isothermal wall which is...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and...
three kg of gas in a piston-cylinder assembly undergo a process during the relationship between pressure...
1. Use Matlab to solve the differential equation (d^2φ/dt)=-(g/R)sin(φ), for the case that the board is...
2) A) Water, initially saturated vapor at 10.8 bar, fills a closed, rigid container. The water...
What allows you to relate the mass and temperature of a molecule to its linear velocity?...
For a brass alloy, the stress at which plastic deformation begins is 345 MP a, and...
3.3lbm of air is contained in a piston cylinder device at 19.4psia and 76.6oF. The air...
A 20-ton industrial refrigeration system is used to maintain a freezer room at 20oF. The system...
Can u suggest me reasons for offsetting piston beside reducing internal friction and reducing piston slap...
The lower surface of a horizontal aluminum plate 5 in. by 7 in. is heated by...
1 kg of atmospheric air initially at 30 ºc and 60% relative humidity is cooled slowly,...
A diesel engine gives an output torque of 1,740 ft-lbf at an engine speed of 1,200...
An engineer has designed a system in which a positive-displacement pump is used to pump water...
In order to reduce wear in gearboxes and maximise the time between service intervals, the lubricants...
An automobile has a 3.2 liter, five cylinders, four stroke cycle diesel engine operating at 2400...
a turbine is rotating at constant speed of 2,400 rev/min. At what constant rate, in radians/sec^2,...
In large buildings, hot water in a water tank is circulated through a loop so that...
Design a power transmission system consisting of shafts, gears, belts and bearings to run a blower...
What is the difference between cyclic and reciprocity relations in thermodynamics? could i have a short...
4. (20pts) The atmosphere of mars is 95% Carbon dioxide (CO2), 3% Nitrogen (N2), and 2%...
1) Answer Each question with 1-2 Sentences: a) How can we use the continuity and change...
Find the volume beneath z = f(x,y) and above the region described by the rectangle with...
A horizontal venturi meter (160mm * 80mm) used to measure the flow of oil of sp.gr...
The following data was collected from a standard 12.827 mm diameter tensile test specimen of a...
Derive the W-Momentum equation using the finite volume method. Show the derivation in 2D using W...
1: A: Ceramics Name two mechanical properties that make ceramics good candidates as cutting tools. B:...
Consider a modification of the air-standard Otto cycle in which the isentropic compression and expansion processes...
Divide in binary: Dividend= 3610. Divisor = 710
A manometer connected to a tank gives a column length reading of 12 in of manometer...
A gear train of a 28 tooth pinion and a 60 tooth spur gear is designed...
-A O40mm HSS face mill is being used to machine grey cast iron. Determine a suitable...
Consider a steam power plant operating on the simple ideal Rankine cycle. Steam enters the turbine...
Bridge span length of 10 [m] supporting a total load of 450,000 [N] uniformly distributed over...
The strain-energy function for an ideal rubber is U=C1(λ12+λ22+λ32-3). Where, λ1, λ2, λ3, are the principle...
Question 3 : Calculate the incidence angle of solar direct radiation at 1:00 PM LST on...
Water with quality = 50% is contained in a rigid vessel. If more heat transfer occurs:...
Consider a Hohmann transfer from a circular parking orbit around Earth at 200 km altitude, to...
Air at 12.7psia and 72oF enters an adiabatic diffuser steadily with a velocity of 775 ft/s...
any extra derivations you might have done on the single DOF system with no damping with...
Consider Schrödinger’s time-dependent equation for an electron, with a potential that is uniform and constant at...
Travel bag made of polymer materials. Discuss which forming process suitable to produce the casing of...
(A) (SI units) A sheet metal steel part with surface area = 185 cm2 is to...
For the problems below (Problem 3 and on), it is not necessary to interpolate in the...
8. Imagine that you have been given a large data set of mechanical measurements for the...
the result of air measurements obtained dry bulb temperature 48 C and wet bulb temperature 29...
Is static head the same as minimum pressure? I understand static head in the context of...
Air at T=25°C and pressure P=1 bar flows over a square plate with a velocity V=1...
Two rigid tanks are separated by a thin partition. Tank A holds 1.1 kg of R-134a...
Consider a certain sea state in the open ocean in which Hs= 2.6 m and Tp=...
A bar of steel has the minimum properties Se = 40 kpsi, Sy = 60 kpsi,...
F1 = 7i-4j+7k at r1= 11i+2j+1k F2= -2i-1j-8k at r2= 2i+1j+4k a) Find moment produced by...
Which of the following statements is true for two oils described as SAE 40 and SAE...
(b) Explain, with the aid of a sketch or diagram, why the tidal range at a...
For a traverse grinding on a horizontal surface grinder. The cross feed per cutting stroke is...
Describe the characteristic features of a fatigue fracture surface. How does the appearance of a fatigue...
To create a vertical wall along the y-axis, one can superimpose two source flows of equal...
A circular specimen of MgO is loaded using a three-point bending mode. Compute the minimum possible...
Diamond and graphite are both made of carbon. Diamond is an electrical insulator, is the hardest...
What is the difference between direct and common ventilation? And I want to put a picture...
A 0.6 m3 rigid tank initially contains refrigerant-134a in saturated vapor form at 0.9 MPa ....
7.9 design an undamped isolator for a 30kg mass subjected to a harmonic forcing function whose...
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