Mechanical Engineering - MADE EASY Study Material for GATE, ESE and SES Exams

Latest:

Bolted Joint

Threaded fastener designed to pass through holes in mating members and to be secured by tightening a nut from the

INTRODUCTION Fastener is an important member since machine is a huge structure, so for joining two plates together joining elements

It is a mathematical technique for determining optimal allocation of resources. • Objective Function: Clearly identifiable and measurable in quantity

As we have seen that the basic for ABC classification was the consumption value of the items. But the basis

• The items can also be classified into categories according to descending order of their usage rate, or movement as

Items in SDE analysis are classified according to their availability as follows: S denotes scarce (mostly imported, short supply) D

The VED Analysis is based on the criticality of the items. If the items are arranged in the descending order

• The ‘ABC’ (Always Better Control) Analysis is based on Pareto’s Law. • In ‘ABC’ analysis, the items are classified

The costs that are affected (i.e., increase or decrease) by the firm’s decision to maintain a particular level of inventory

Economic lot size of an item depends on the following: (i) Possibility of placing repeat orders. (ii) Nature of demand

Inventory can be classified as: 1. Direct Inventories 2. Indirect Inventories Direct Inventories: The inventories which play a direct role

The item which are either stocked for sale or they are in process of manufacturing or they are in the

Representation of Queueing Model Kendalls Lee Notation: The general form of notation is (a/b/c ) : (d/e/f ) Here, a

Queueing theory is used in service oriented organization, machine repair shop, in case of semifinished products waiting for finishing operation.

In a continuous, or fixed-order quantity system, when inventory reaches a specific level, referred to as the reorder point, a

Assumptions in Bernoulli’s equation: fluid is ideal flow is steady flow is continuous fluid is incompressible flow is irrotational applicable

Boundary layer is a region in the immediate vicinity of the boundary surface in which the velocity of flowing fluid

The members of truss which support no loading are known as zero force members. These zero force members are used

Capillary Action Height of water in capillary tube Capillary action is due to both adhesion and cohesion. For capillary action,