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In an engine working on Diesel cycle inlet pressure and tem are 1 bar and 17oc respectively. Pressure at the end of adiabatic compression is 35 bar. He ratio of expansion i.e. after constant pressure heat addition is 5. Determine the heat rejection, heat addition, heat rejection and the efficiency of the cycle.
Consider ϒ =1.4, Cp =1.004 KJ/Kg oK and Cv =0.717 KJ/Kg oK
Determine the minimum thickness required: A thin spherical shell of 2 m diameter is subjected to an internal pressure of 1.5 N/mm 2 . If the allowable tensile stress of the ma
Q. Wha t do you mean by section modulus ( Z )? What is value of bending moment in the terms of section modulus? Sol.: Section modulus is ratio of M.I. about neutral ax
The different advantages of alloy steel are as: (a) Higher strength, toughness and hardness upon surface and over bigger cross-section. (b) Better harden-ability and retentio
Classification of force: Single force is of two types that is, Tensile and compressive. Generally in a body several forces are acting. When a number of forces of different mag
A steel pipe with 50 mm OD is covered with a 6.4 mm asbestos insulation followed by a 25 mm layer of fiber-glass insulation [K = 0.0485 Wmk]. The pipe temperature is 393 K and the
Flash Butt Welding The two pieces to be welded are pressed against each other by applying a pressure. To whatever finish the faces are machined, there will be some protuberance
Remove cover left crank case and check for leakage: Before attending oil seal leakage check if any leak is there in the highlighted points - Neutral switch "o" ring leak, Shifter
Fracture toughness of material of plate: A large thin plate carrying a crack of 70 mm at its centre is subjected to fluctuating stress cycle perpendicular to crack. s max = 7
Find the Laplace transform of the following differential equation: ? +3? +6x = 0, x(0) =0, ?(0)=3 Taking the inverse Laplace transform of X(s), obtain the time solution x(t).
What is the chief advantage of CIDR over the original classful addressing scheme? CIDR stands for Classless Inter-Domain Routing is a new addressing scheme for the Internet, th
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