Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech III Year INTRODUCTION TO MATERIALS HANDLING Previous Question Paper (May - 2019 - R16)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
(25 Marks)
Give the necessity of material handling.
Answer
Material handling is necessary to minimize production costs, reduce manual labor, improve safety, and ensure the efficient flow of materials through various stages of manufacturing, storage, and distribution.
Define multiple pulley systems.
Answer
A multiple pulley system, or block and tackle, consists of two or more pulleys arranged in a system to provide a mechanical advantage, allowing a heavy load to be lifted with significantly less effort than the weight of the load.
Name different lifting devices.
Answer
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Define Hoist.
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Give the applications of hook bearings.
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Enumerate the crane attachments necessary for handling liquid materials.
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Define Arresting gear. Mention its applications.
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What are shoe brakes? Explain.
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Define luffing gears.
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Mention different drives of hoisting gears.
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Part B
(50 Marks)
Name several types of conveyors used is material handling facility.
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List out different overhead materials handling devices? Explain with respect to their applications.
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Describe the basic operations of hoisting equipment.
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What are the factors you consider in selection of Material Handling Equipment?
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Briefly explain about different Flexible hoisting appliances.
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Briefly explain different types of load suspension appliances.
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Briefly explain about pulleys and Pulley systems.
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Define and explain the following: i) Rope sheaves ii) sprockets
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Define Hooks? Briefly explain some of the common types of hooks.
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What are the performance requirements of grabs? Mention types of grabs?
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What is crane? Classify cranes and write about at least two types of cranes in detail.
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Differentiate between controller breaks and shoe brakes.
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Differentiate between double shoe type brakes and electromagnetic brakes.
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Explain different types of load operated constant force brakes and variable force brakes.
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Explain the theory of band brakes.
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Explain traveling mechanism for moving trolleys and cranes on runway rails.
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Describe the operation of hoisting gear during transient motion.
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Discuss briefly about Slewing Mechanisms.
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Explain the determination of braking torque for hoisting mechanisms.
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