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Mechanical-Engineering Questions
10. A cast iron wheel of mean diameter 3 metre has six arms of elliptical section....
.7. A punch press is fitted with a flywheel capable of furnishing 3000 N-m of energy...
A cooling machine, that takes 300kj / min of heat from the environment at 2 centigrade...
The thrust of a helicopter propeller shaft is absorbed by 6 bearing collars. The rubbing surfaces...
v By steadily circulating Refrigerant-134a at low temperature through passages in the walls of the freezer...
One cylinder initially has 0.9 kg Argon (Ar) at 75 kPa pressure and 27 C temperature....
Air at T1 = 32°C, p1 = 1 bar, 50% relative humidity enters an insulated chamber...
please give exact answers Question 6 (1 point) Problems 6-9 use the following information. A dog...
Please find the correct option.(A-B-C-D) The compression ratio of an ideal air operated otto cycle is...
Find the spindle size, optimum span of bearings (Lo), deflection (δ),and stiffness, if the spindle overhang...
A plate 400mm wide and 0.03 mm thick with strength of 400Mpa is to shear. During...
A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80kw. The cycle...
What is the pressure of a 0.02 m3 piston-cylinder filled with 0.1 kg of air at...
Air at a stagnation pressure of (600 kpa) and stagnation temperature of (323K) flows through a...
An adiabatic compressor is used to pressurize air from 100 kPa to 1900 kPa. If the...
An airplane with a total span length of b = 60 m and cord length of...
Refrigerant 134a enters a tube at a rate of 0.07 kg/s as saturated liquid at 70...
Water flowing at 100 lb/min at 60 deg.F and steam flowing at 100 lb/min at 600...
Problem 4: Air at 20°C and 1 atm flows over a horizontal flat plate at 1...
Find Inverse Laplace Transform 2s/(s-1)^2 (s+1)
Material stiffness and strength are very different properties attributes by different atomistic mechanism; clearly and accurately...
A house with 200-m2 floor space is heated with geothermal water flowing through pipes laid in...
A stopwatch is to be used to estimate the time between the start and end of...
A steam power plant is designed to operate on a reheat Rankine cycle to produce 115...
Problem 3 (a) Show that a constant value in the stream function Ψ between the two...
Determine the extraterrestrial normal radiation and solar radiation on a horizontal surface on March 10 2:00...
A cylindrical specimen of a hypothetical metal alloy is stressed in compression. If its original and...
An electrical current of 73.5A flows through a cable having a diameter of 5.00mm and a...
DISCUSS in details of commercial aspects, economic aspects and the amendment of the need for revision...
Liquid water at velocity of 2 m/s and temperature of 15 °C flows over a flat...
Imagine that you’re creating an orthographic projection using AutoCAD. Your drawing will require the following line...
A 25-cm-diameter, 2.4 m-long vertical cilonder containing ice at 0 °C is buried right under the...
You are a newly hired sales consultant working at a local car dealership for a major...
1-which one does not correspond to mechanism strengthening? a-alloying or dopping with impurities b-grain-size reduction c-grain...
Write down the purpose and advantages of helical processing. Please answer quickly will rate :)
Block A has a weight of 100 Ib is moving up the plane at a 1.29...
Consider a cube of density, specific heat, and thermal conductivity of 2700 kg/m3, 0.896 kJ/kg-K, and...
A thermometer reading 21° C is placed in an oven preheated to a constant temperature. Through...
Q1: Civil engineering consulting firms that provide services to outlying communities are vulnerable to a number...
A pump delivers fluid at the rate of 90 kg/min. At the inlet to the pump,...
A cubical furnace with unknown dimensions (student needs to assume these dimensions), the furnace surfaces are...
Water (25 oC) is in an open tank at atmospheric pressure and the pump is 4.9...
An air conditioner of 2-ton capacity used R134a as a refrigerant fluid and operates between 0oC...
Game to guess a number %% Guess Number Game while(1) count=0; guess=input('Guess a number between 0...
(a) what is the non-slip condition? (b) How does viscosity vary with temperature for liquids and...
1)in which of the following bravia lattices, not all axial angles are right angles? a)Rhomvedral b)orthombic...
Q1”only answer the following without any explain them, I need only the answer to compare it...
Rotate around the ?-axis the region ? = {(?, ?) ∈ ? 2 : sin ?...
•A beryllium reflector is exposed to a neutron of 1 MeV energy. Assume the masses of...
an ideal vapor compression refrigeration cycle using refrigerant-134a as the working fluid is used to cool...
Water undergoes a constant‐volume process within a piston–cylinder assembly from saturated liquid at 4 bar to...
The large blood vessel leading from the human heart, the aorta, has an inside diameter of...
TURBINE IMPULSE - PELTON WHEEL QUESTION 1: The nozzles of a 4-jet Pelton wheel turbine, each...
Tech A says that in some vehicles, airbag deployment can be based on the speed of...
Air in a rigid tank is at 140 kPa, 300 K with a volume of 0.6...
Identify limitations on the application of Conservation of Energy and define Coefficient of Restitution, identify the...
you are using a silver spon to stir water that judtstarted boiling so that you can...
The power required to shear a plate 60mm thick for 20sec is 8KW. If the ultimate...
One kg of water in a piston-cylinder assembly undergoes two processes in series from an initial...
For a butanol combustion process (formation enthalpy -332,000 kJ / kmol) C4H10O with an excess of...
Consider a vapor refrigeration cycle. a: Draw a T-s diagram in a Reversed Carnot Cycle and...
Consider atmospheric air at 25oC and a velocity of 20 m/s flowing over both surfaces of...
A horizontal pipe with an outer surface temperature of 80 * C and an outside diameter...
A water jet has an actual velocity of 88.256 m/s and a mass flow rate of...
###WORM GEAR### A double thread worm gear has a pitch of 1 1/8 and a pitch...
Analyze a Gas turbine engine at a design speed under the following data employing a ...
List and describe the THREE (3) necessary conditions for complete similarity between a model and a...
Q2(b) Three boilers located next to each other give individual sound pressure levels of 108, 96...
A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam...
Newtons second law applied in roller coaster so that the rider are not falling from the...
Consider the vertical rear window of an automobile that has a thickness L= 9 mm and...
Create an estimated S-N diagram for an aluminum bar and define its equations. What is the...
The car with 20000 N weight increases its speed uniformly from 18 km/h to 90 km/h...
Open and close systems according to the working method
hot flue gases at 373oC is flowing theough a circular chimney, 1.2 m outer radius made...
Solve the following exercise using the infinity plate method under convection. A large thermoplastic sheet, 10...
In a steam plant operating according to an ideal Rankine cycle, water vapor enters the turbine...
A mild steel shaft transmits 20kw at 200rpm. it carries a central load. it has a...
The cost of product validation is $ 1600 per test sample (includes the cost to produce,...
A 10 mm diameter Brinell hardness indenter produced an indentation 1.62 mm in diameter (Di) in...
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