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GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering PDF Download

Question for GATE Past Year Questions: Network Models
Try yourself:Consider the given project network, where numbers along various activities represent normal time. The free float on activity 4-6 and the project duration, respectively, are

GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

[2014]

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Question for GATE Past Year Questions: Network Models
Try yourself:If duration of activity f is changed to 10 days, then the critical path for the project is

[2012]

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Question for GATE Past Year Questions: Network Models
Try yourself: The critical path for the project is

[2012]

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Question for GATE Past Year Questions: Network Models
Try yourself:The  project activities, precedence relationships and durations are described in the table. The critical path of the project is

GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

[2010]

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Question for GATE Past Year Questions: Network Models
Try yourself: For the network below, the objective is to find the length of the shortest path from node P to node G. Let dij be the length of directed arc from node i to node j.Let sj, be the length of the shortest path from P to node j. Which of the following equations can be used to find SG?

[2008]

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Question for GATE Past Year Questions: Network Models
Try yourself:A project has six activities (A t o F ) w it h respective activity durations 7,5,6,6,8,4 days.The network has three path A-B, C-D and EF. All the activities can be crashed with the same crash cost per day.The number of activities that need to be crashed to reduce the project duration by 1 day is

[2005]

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Question for GATE Past Year Questions: Network Models
Try yourself:An assembly activity is represented on an Operation Process Chart by the symbol

[2005]

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Question for GATE Past Year Questions: Network Models
Try yourself: A project consists of activities A to M shown in the net in the following figure with the duration of the activities marked in daysThe project can be completed
GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

[2003]

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Question for GATE Past Year Questions: Network Models
Try yourself:The symbol used for Transport in work study is

[2003]

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Question for GATE Past Year Questions: Network Models
Try yourself:In the construction of networks , dummy activities are introduced in order to

[1990]

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Question for GATE Past Year Questions: Network Models
Try yourself:In PERT chart, the activity time distribution is

[2016]

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Question for GATE Past Year Questions: Network Models
Try yourself:The standard deviation of the critical path is

[2009]

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Question for GATE Past Year Questions: Network Models
Try yourself:Consider the following PERT network:
GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

The optimistic time, most likely time and pessimistic time of all the activities are given in the table below:The critical path duration of the network (in days) is
GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

[2009]

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Question for GATE Past Year Questions: Network Models
Try yourself:The expected time (te) of a PERT activity in terms of optimistic time (t0), pessimistic time (tp) and most likely time (tl) is given by

[2006]

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Question for GATE Past Year Questions: Network Models
Try yourself:The standard deviation of the critical path of the project is

[2006]

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Question for GATE Past Year Questions: Network Models
Try yourself:Consider a PERT network for a project involving six tasks (a to f)
GATE Past Year Questions: Network Models | Industrial Engineering - Mechanical Engineering

The expected completion time of the project is

[2006]

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Question for GATE Past Year Questions: Network Models
Try yourself: In PERT analysis a critical activity has

[2004]

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Question for GATE Past Year Questions: Network Models
Try yourself:A dummy activity is used in PERT network to describe
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Question for GATE Past Year Questions: Network Models
Try yourself: In PERT, the distribution of activity times is assumed to be

[1995]

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FAQs on GATE Past Year Questions: Network Models - Industrial Engineering - Mechanical Engineering

1. What are network models in mechanical engineering?
Ans. Network models in mechanical engineering are mathematical representations used to analyze and optimize the flow of fluids or energy through a system. These models involve the use of nodes and branches to represent different components and their connections within the system. By solving equations based on the principles of conservation of mass, energy, and momentum, network models help engineers understand and predict the behavior of complex systems.
2. How are network models useful in mechanical engineering?
Ans. Network models play a crucial role in mechanical engineering as they provide a systematic approach to study and analyze various systems such as fluid distribution networks, heat exchangers, and electrical circuits. These models enable engineers to evaluate the performance of a system, identify potential bottlenecks or inefficiencies, and optimize its design by making informed decisions regarding component sizing, flow rates, and energy consumption.
3. What are the different types of network models commonly used in mechanical engineering?
Ans. There are several types of network models commonly used in mechanical engineering: 1. Pipe network models: Used to analyze fluid flow in piping systems, including networks of pipes, pumps, valves, and fittings. 2. Electrical network models: Used to analyze the behavior of electrical circuits, including networks of resistors, capacitors, inductors, and sources. 3. Thermal network models: Used to analyze heat transfer in systems, including networks of heat exchangers, pipes, and thermal loads. 4. Control network models: Used to analyze control systems, including networks of sensors, actuators, and controllers.
4. How are network models solved in mechanical engineering?
Ans. Network models in mechanical engineering are typically solved using numerical methods, such as the method of nodal analysis or the method of loop analysis. These methods involve setting up a system of equations based on the conservation laws (mass, energy, and momentum), applying appropriate boundary conditions, and then solving the equations to obtain the desired variables. The solution can be obtained manually or with the help of computer software, depending on the complexity of the system.
5. What are some practical applications of network models in mechanical engineering?
Ans. Network models find applications in various fields of mechanical engineering, including: 1. HVAC systems: Network models are used to design and optimize heating, ventilation, and air conditioning systems in buildings, ensuring efficient distribution of air and thermal comfort. 2. Fluid distribution networks: Network models help in designing and analyzing water supply systems, gas distribution networks, and oil pipelines, ensuring proper flow rates, pressure levels, and minimizing losses. 3. Thermal systems: Network models are used to analyze heat exchangers, radiators, and cooling systems, optimizing the transfer of heat and maintaining desired temperatures. 4. Electrical circuits: Network models aid in the analysis and design of electrical power distribution systems, circuit boards, and integrated circuits, ensuring optimal performance and reliability.
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Document Description: GATE Past Year Questions: Network Models for Mechanical Engineering 2024 is part of Industrial Engineering preparation. The notes and questions for GATE Past Year Questions: Network Models have been prepared according to the Mechanical Engineering exam syllabus. Information about GATE Past Year Questions: Network Models covers topics like and GATE Past Year Questions: Network Models Example, for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for GATE Past Year Questions: Network Models.
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