Mechanical-Engineering Questions

##### A 10kW electric motor, which is running at 43 rev/s, is used to drive a crusher...

##### Compare and contrast the control system for a domestic central heating system involving a bimetallic thermostat...

##### The electric motor in a trolley bus develops a power output of 80 hp at 1200...

##### 1. a typical fatigue curve depicts the applied stress as a function of the number of...

##### Consider a combined gas-steam power cycle. The topping cycle is a simple Brayton cycle that has...

##### Second time i am posting... do only you know.. Draw the EIS and PDP curve for...

##### Discuss pros and cons of both liquid oxygen and nitrogen tetroxide. (Rocket Propulsion)

##### Two composite materials were suggested to be used for specific application under isostrain condition. The first...

##### The pressure of the 4-stroke engine operating according to the seilinger cycle at the end of...

##### A 25 kg aluminium ingot (initially at 72 °C), and a 50 kg fireclay brick (initially...

##### why an alloy is hardened when the solubility of solute in solvent is exceeded. discuss this...

##### A combuster operating with H2 gas as the fuel and oxygen as the oxidizer. Both reactants...

##### What are boundary and initial conditions for heat propagation bar? Define a heat conduction problem for...

##### The mole number is 4. The Cycle starts at the upper left corner A at a...

##### Please use Google Scholar and search for the fourth mode of heat transfer, this paper was...

##### Exhaust gas flows through a 45 mm diameter steel pipe, except that a refrigerant evaporates. The...

##### why is the air-cooled and furnace cooled specimens can be cooled in water after 60 minutes?

##### Describe about the major categories of ferrous alloys.

##### A 101.6 mm diameter shafting SAE 1040 grade, cold rolled, having a yield point of 60...

##### Write the overall design strategies for the following equipments by the derivatization of necessary equations from...

##### A straight line AB makes 45° inclination with the PP, it is behind the PP with...

##### a. Name one (1) advantage and one (1) disadvantage of renewable energy sources as well as...

##### A frictionless piston-cylinder device is filled with helium gas at 300 kPa and 40 °C. A...

##### A well-insulated expansion/throttle valve is designed to operate with refrigerant R134a. It receives a liquid-gas mixture...

##### A steam power plant of 15 MW operates on the simple ideal Rankine cycle such that...

##### An internal mechanism is used to maintain a constant angular rate Ω = 0.05 rad/s about...

##### Initially (state 1) a well-insulated rigid tank contains 20 kg of a saturated liquid-vapor mixture of...

##### Ten turbines are installed in a hydroelectric power station, each with a diameter of 4.5 m...

##### An ammonia refrigeration system has a COP of 3.5 and a cooling power of 15 kW....

##### An Aluminum alloy billet with Diameter of 232mm and Length of 634mm is to be extruded...

##### Water flows through a pipe at an average temperature of T =50°C. The inner and outer...

##### 2) Ceiling outer surface temperature of an oven is 60̊C. The furnace is located in an...

##### Calculate the lift and drag coefficients of a flat plate flying in air at Mach 3...

##### What is best wire diameter? Derive the best wire diameter mathematical expression used for determining effective...

##### find the gear ratio, circular pitch ,base pitch,pitch diameters,pitch radii,centre distance , addendum,dedendum,whole(total)depth, clearance, outside diameters,length...

##### A cable with a diameter of 6 mm is subject to a maximum tensile force of...

##### A Student cycle engine is analyzed using the cold air-standard method. Given the definition of each...

##### (i) Draw and Explain stages of combustion in SI engine and the effect of various Engine...

##### 2.A pair of equal three stepped pulleys connects two shafts A and B by means of...

##### Derive the transformation equations for normal strain and shear strain acting on the inclined plane (for...

##### Write a script file that creates a row vector v containing all the powers of 4...

##### 1. A couple of forces have to satisfy the following THREE criteria: a.Two forces should act...

##### A turboprop engine consists of a diffuser, compressor, combustor, turbine, and nozzle. The turbine drives a...

##### After heat treatment, the 2-cm thick metal plates (k = 180 W/m·K, ρ = 2800 kg/m3,...

##### 5 kg of air in a piston cylinder assembly undergoes a Carnot power cycle. Heat is...

##### Write a short report (not exceeding 2 page excluding the reference list, based on APA Style...

##### A two degree of freedom system comprises of two circular discs of uniform thickness keyed together...

##### Question 5 (a)(i) What theories of failure are used for? Ductile of materials and Brittle of...

##### Draw the PDP curve for AX95 magnesium casted condition.. digital curve required.. please do only sure...

##### Determine the stream function for a two-dimensional source of strength m. Sketch the resultant field of...

##### Water at 30 ∘C is pressurized in a pump from 80 kPa to 1600 kPa. If...

##### 1) Put your hand near your mouth and slowly exhale. Again, repeat the same thing but...

##### 1-Define different types of viscosities.with example based on water and Mercury. 2-Viscosity of water and Mercury...

##### As CuO is exposed to reducing atmosphere at elevated temperatures, some of Cu+2 cations will change...

##### A diesel engine is fitted with a turbocharger. The engine is tested at constant speed of...

##### 7.2 A Brayton cycle gas engine is analyzed using the air standard method. Given the conditions...

##### Question1: What is the value of 5 bar in KPa? What is the value of 2km/hr...

##### Water at 0.5 quality is heated from 0.2 MPa to 200°C at a fixed volume. What...

##### Few years ago, on February 22, 2017, NASA announced that seven newly identified planets (Trappist-1) orbiting...

##### A 1 to 2 baffled shell-and-tube type heat exchanger is used as an engine oil cooler....

##### Heat is transferred from a substance. What can you say about the change in entropy Δs...

##### A resultant force of 32 000 N acts on a 225 cm2 area at an angle...

##### After a very heavy sport activity if you take a very hot shower, the water is:...

##### A 2250-kg vehicle is to be crashed into a barrier supported by a very stiff spring...

##### A round steel rod made of structural steel,with yield strength of 48ksi and E=30Mpsi, is to...

##### 50000000S^4 H(s)=S^2+505S+2500 give me solution

##### For the flow over a circular cylinder discuss the differences and similarities between the potential flow...

##### Refrigerant-134a initially at 6∘∘C occupies a volume of 0.28 m3m3. Vapor occupies 80% of the volume....

##### Calculate the Moment about A, B, C for the given object. Here, the forces F1 =...

##### Calculate the centroid for the shaded portion of the composite figure with a circular hole as...

##### Air at free-stream velocity of 9 m/s flows over a thin flat plate of length 3...

##### Use the y-momentum equation to show that the pressure gradient across the boundary layer is approximately...

##### A distillation column is used to separate 280 kg /h of a mixture containing 30 wt%...

##### A circular Euler column with one end fixed and the other pinned (or hinged or simply-supported)...

##### A simply supported composite beam (L = 4.5 m) is subjected to a positive bending moment...

##### The maximum flow rate of standard shower heads is about 3.5 gpm (13.3 L/min) and can...

##### Refrigerant-134a initially at 6∘C occupies a volume of 0.28 m3. Vapor occupies 80% of the volume....

##### piston cylinder with a diameter of 12.8 inches contains helium. Initially, when the helium is at...

##### An open, clean glass tube ( θ=0°) is inserted vertically into a pan of water (see...

##### A distillation column is used to separate 930 kg /h of a mixture containing 40 wt%...

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