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Mechanical-Engineering Questions
What is a nonlinear brightness adjustment in an image? What formula can be used to perform...
Helium at a free stream temperature of T∞ = 25°C is in parallel flow over a...
A metallic bar is to be cold withdrawn from 8mm diameter to 6 mm through a...
How and where do i find for a type of centrifugal pump together with a pump...
a) what is the G (Gage coefficient) stress coefficient or stress sensitivity of an SG -...
A well-insulated (no heat transfer) piston cylinder contains 2 kg of saturated water vapor at 1...
Water is the working fluid in a regenerative Rankine cycle with one closed feedwater heater. Steam...
metal, plastic o r ceramic which one will deform less and why? which has better impact...
A 100 mm by 100 mm square plate with a circle inscribed is subjected to normal...
A steel tool (with the thermophysical properties of plain carbon steel) is at a uniform temperature...
A differential stress element has the following set of applied stresses: σx=790 psi, σy=240 psi, τxy=530...
1. A penguin wants to slide down a hill. If the coefficient of static friction between...
A natural gas has the following volumetric analysis CH4 76%, C2H6 8%, C3H8 5%, C4H10 5%,...
Q1/ Centrifugal pump runs at (1200 r.p.m) and the velocity of flow through the impeller is...
A mass weighing 19.6 N stretches a spring 9.8 cm. The mass is initially released from...
The venturi of the simple carburetor has a throat diameter of 25 mm and coefficient of...
Below are X-bar and R values for 12 samples of size = 5. They are taken...
Q3// The mass-spring-damper system has a 2 kg block is displaced by an amplitude of 50...
Calculate the shearing force (kN) required for blanking a circular part with a diameter of 55mm...
An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression...
Sketch a CAM to complete a simple harmonic rise-dwell-fall-dwell. You can choose the percentage of the...
Which of the following sentences are true for Bernoulli's equation? 1 Bernoulli's principle is applicable to...
In Figure Q1(b), a tank with size ? ?? .? ?? ? is filled with argon...
Explain metal-matrix composite materials and its applications.
In a piston cylinder device, initially 0.005 m3 liquid water and 0.9 m3 water vapor are...
A piston–cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 50%....
Select 1 m / s for a wall-illuminated 3 mm, inner 10 mm, 100 m long...
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -12oC with...
The air at 20 ° C flows at a speed of 5 m / s on...
An ideal gas (k = 1.4, R = 0.287 kJ/kg·K) flows in a converging-diverging nozzle. At...
Given the spring-mass-damper system with the equation shown below. f(t) is an impulse. Use Laplace transform...
1: Write down equations and describe each term explicitly. a. The exergy balance. b. The exergy...
Steam has 1.0 MPa, 80% dryness-2 fraction,This steam is placed in a piston cylinder at constant...
2. Use hard-drawn 0.075” diameter wire to make a spring with closed ends, a spring index...
A handheld bicycle pump can be used as an atomizer to generate a fine mist. In...
A circular rod of diameter d is bent into a semi-circle of mean radius of 2d....
What value of the breeding gain is necessary for a fast breeder operating on the 238...
Because of unbalance, A harmonic force of maximum value of 20, 000 N and frequency of...
To determine the thermal conductivity of a long, 25.0 mm diameter cylindrical rod, one half of...
Water at 110oF flows at 8 ft/s across a long cylinder with a diameter if 1.75...
A forced draught fan supplies air at 8m/s against a draught of 25mm ofwater. Estimate the...
The narrowing of the valve orifice it causes pressure drop increasing, why
Particle A and particle B are held together with a compressed spring between them. When they...
An inventor proposes a four-stroke cycle running on helium. The engine has a compression ratio of...
What is the U-shaped flow-line manufacturing system? Why does it become so popular? (10 pts)
a sensor is to be designed and deployed under the screen panel of the mobile phone.the...
discuss briefly :mathematical modeling of thermal level systems
The increasing demands of higher productivity and economical design lead to higher operating speeds of machinery....
0.0425 m3/s of heavy oil flows from pt. A (z = 31 m) to pt. B...
Room air at 20°C DBT and 60% RH is mixed with outdoor air at 40°C DBT...
There is a heat pump that operates with R 134ª refrigerant, whose compressor has a power...
how to calculate and plot a system curve for a pipe network with 1 pump? and...
Determine the force flow in a. A bicycle chain. b. A car door being opened. c....
compute the atomic weight of an atom whose theoretical density is 133g/mol .the atomic radius of...
In Figure 2, the pendulum consists of m1 kg slender rod AB and a m2 kg...
Air in a piston-cylinder device undergoes an isobaric expansion process from 280 K and 245 kPa...
A recent public relations fiasco has intensified demand for engine testing for a particular OEM of...
a-Calculate conventional yield effort at 0.2% (0.002 in./in.) b- Tensile strength. c- The modulus of elasticity....
A geometric tolerance is the maximum permissible variation of form, orientation, or ________________ of a feature...
A round shaft is being assembled into a round hole and the basic size is 2.0000...
Compare and contrast the traditional design of a watch with that of the mecha-tronics-designed product involving...
Car A weighing 4000 lb and car B weighing 3700 lb are at rest on a...
Q-1 Every hour a quality control inspector measures the outside diameter of four parts. The results...
The purpose of this project is to analyze the Ice Storage Systems that companies like Trane...
71 mm thick horizontal plate made of an opaque material of thermal conductivity k= 25 W/m-K....
take yz =82 Failure data for a cutting tool insert (shown above) is as follows: hours...
0.75 kg of refrigerant-134a at 120 kPa and 20°C initially fills a piston-cylinder device. Heat is...
Q8) What is the definition of Reynolds number, assume is the mean inlet velocity, is the...
Say you have 3 layers for a fibre- reinforced composite which will be attached through resin...
You’ve developed a cold air standard Brayton cycle with input from combustion of 5.0×10^6 Btu/h with...
A ship is designed to sail at 9.26 m/s. A model is tested in a tow...
A spherical tank, 1.5 m in diameter, is maintained at a temperature of 120 ◦C and...
Four masses at equal radii and rotating in parallel planes are attached to shaft. In each...
Steady state water enters y 220ºF into a heat exchanger, leaves it at y 320ºF. The...
Epicyclic Gear Train with Bevel Gears are used to make a more compact epicyclic system and...
Under what state of stress do dislocations move and what are the two components of a...
Multiple answer. Select all true alternatives. In composite processing, pre-preg fabrics are: a. Pre-impregnated with resin....
P2-44 A piston-cylinder assembly of total mass 16 lbm is free to move within a housing....
For a certain temperature measurement, A thermistor of 10 k ohm at 25oC nominal resistance was...
Determine the maximal diameter of the hole For the fit Φ 48F7/g6 is
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