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In an I.C. engine operating on the Dual combustion cycle, the temperature of the working fluid (air) at the beginning of compression is 27ºC. The ratio of the maximum and minimum pressures of the cycle is 70 and compression ratio is 15. The amounts of heat added at constant volume and constant pressure are equal. Compute the air standard thermal efficiency of the cycle.
3. In a Rankine cycle, the steam at inlet to turbine is saturated at a pressure of 35bar and the exhaust pressure is 0.2bar. Determine:
(i) the pump work
(ii) the dryness at the end of expansion.
(iii)the turbine work
(iv) the Rankine efficiency
(v) the condenser heat flow
Evaluate stress in fibre: Example, the matrix material can be stressed to its full strength of 80 MPa, calculate the allowable % of broken fibres. What will be the stress in f
vacuum gauge indicates that the pressure of air in a closed chamber is 0.2bar(vacuum).The pressure of the surrounding atmosphere is equilent to a 750-mm column of mercury.The densi
You have been selected to assist the structural engineer for a bridge replacement project. Your task is to design the size of the footing for an interior bridge pier, based on the
Mechanical failure is one of the most important factors causing component/structure/product no longer fit for its intended purpose. Use examples to explain at least three modes o
Plate : These are also known as electrodes. There are two types of group of plates - Positive and Negative. Each group contains more than one plate. A group of positive plates is
Implementation of Material Requirement Planning: The total requirements for a material from an MRP schedule are given in the following table :
do you know the grade to the answers of the questions in the pre paid solutions..?? and what if the answers are wrong..?? as i need all working out shown
Q. can you explain Shell molds? These molds are prepared by pouring a mixture of sand and thermosetting resin over the heated surface of a metallic pattern, which results into
Scalar and Vector quantities: A quantity is a scalar if it is completely defined by its magnitude alone. For example: Length, area, and time. While quantity is said to be vect
Problem - Newton's Second Law in 1D Newton's Second Law of Motion says that the vector sum of the forces acting on an object equals the object's mass times its acceleration. Ma
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