Mechanical Engineering question and answers for July 31, 2023
- Q “Main landing gear of each aircraft is used to absorb the loadof the aircraft in landing/ take-off and also weight of it while itis on ground. After reaching its flight...
- Q Steam is supplied to a turbine at 50Bar, 400oC. It expands inthe first stage until it is dry saturated and then reheated to400oC before expanding in the second stage to...
- Q A 100mm shaft is loaded with a torque of 100Nm and a bendingmoment of 50Nm. As a designer you need to select a material to finda suitable material for size,...
- Q A plain carbon steel ball 2 mm in diameter is heated to 1200 Kin an oven and then cooled slowly in ambient air at 300 K. Theconvection heat transfer coefficient...
- Q For each problem, sketch the appropriate process diagram on aT-v, P-v, or P-h diagram4.60 : Steam exiting the turbine of a power plant passes throughthe insulated shell-and-tube heat exchanger condenser....
- Q Combustion gases passing through a 0.08-m-internal-diametercircular tube are used to vaporize waste water at atmosphericpressure. Hot gases enter the tube at 115 kPa and 250°C at a meanvelocity of 5...
- Q For each problem, sketch the appropriate process diagram on aT-v, P-v or P-h diagram1) Oil enters the outer tube of an insulated concentric tubeheat exchanger at a temperature of 500k,...
- Q 6.5 An engine manufacturer has decided to change one of itsengines from a spark ignition type to a compression ignition type.If the swept volume is unchanged, what effect will the...
- Q In a solar hot water heater, oil is used Using the\"effectiveness - NTU\" function in the EES Heat Transfer options,calculate the length of pipe and the exit temperature of the...
- Q In a winter season when outside temperature is –1oC, the insideof house is to be maintained at 25oC. Estimate the minimum powerrequired to run the heat pump of maintaining the...
- Q In a winter season when outside temperature is –1oC, the insideof house is to be maintained at 25oC. Estimate the minimum powerrequired to run the heat pump of maintaining the...
- Q Determine whether the following measurements are intrusive ornon-intrusive.(a) Measuring amperage of current in a wire usingclamp-on-ammeter(b) Measuring flow of fluid in a pipe by installing an orificemeter in the pipe(c)...
- Q so I am applying to a field engineer position at Schlumberger,if asked, what do you usually do in your free time? what's a bestanswer for this? also, what's the biggest...
- Q With the aid of a diagram explain how a thermal desorption-gaschromatography-mass spectrometer functions for the analysis ofVOCs.
- Q Refrigerant 134a enters an air conditioner compressor at 4 bar,20°C, and is compressed at steady state to 12 bar, 80°C. Thevolumetric flow rate of the refrigerant entering is 7.5 m3/min....
- Q One kilogram of water in a piston-cylinder assembly undergoesthe two internally reversible processes in series. P1 =0.1 MPa, T1 = 100C, s1 = s2​ =7.3164 kJ/kg*K​, P2 = 0.5 MPa,...
- Q Water at a local bulk temperature of 24°C flows at 0.8 m/sthrough a smooth, 1.5-cm-ID tube that is kept at 30°C and the flowis fully developed.a) The system is extremely...
- Q Prove that raising the pressure will increase melting point(Tm) of a metal. Use the Clausius-Clapeyron eqn., andremember that the enthalpy of a liquid is larger that the enthalpyof solid. Then...
- Q Air expands through a turbine operating at steady state. At theinlet, p1 = 150 lbf/in.2,T1 = 1400°R, and at the exit,p2 = 14.8 lbf/in.2,T2 = 900°R. The mass flow rate...
- Q What are the Impact of automation solutions, on the 4factors-{global, societal, economic and environmental}?
- Q What are the Impact of automation solutions, on the 4factors-{global, societal, economic and environmental}?
- Q What are applications of the USA principles in converting amanual operation to automation?
- Q Given the I/O equation2Ạ+ 10y = 3u(t) Sketch the response y(t) for a step input u(t) =6U(t) and the initial condition y(0) = −2.Using the Laplace Transform. Find the...
- Q Question 1 – Case Study (30%)You are required to produce a written assignment of maximum 500words for each section. Each section is 15 marks.(a) The management of your company has...
- Q 100 people enter a room that is initially at a temperature of 15C and pressure of 1bar. Each person losses heat to the air in theroom at a constant rate...
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