94 Therefore ηtot = ηmotor × ηvol = 0.705 (= 70.5 %) Example (2) A pump has a displacement volume of 100 cm3. It delivers 0.0015 m3/s at 1000 rpm and 70 bars. The prime mover input torque is 120 Nm. a) What is the overall efficiency of the pump? b) What is the theoretical torque required to operate the pump? Solution
Premium Valve Fluid dynamics Volumetric flow rate
Company manufactures pocket electronic games. Last year Jupiter sold 25‚000 games at $25 each. Total costs amounted to $525‚000‚ of which $150‚000 were considered fixed. In an attempt to improve its product‚ the company is considering replacing a component part chat has a cost of $2.50 with a new and better pail costing $4.50 per unit in the coming year. A new machine also would be needed to increase plant capacity. The machine would Cost $18‚000 with a useful life of six years and no salvage value
Premium Variable cost Costs
Separating the components of a Ternary Mixture Introduction Mixtures are usually content of two or more substances. There are two kind of mixtures‚ Homogeneous and heterogeneous mixtures. For Homogeneous mixture we cannot see the individual particles of the components‚ a good example of that will be air‚ cola drink‚ and rubbing alcohol. And for heterogeneous mixture we can see the individual particles of the components‚ a good example of that will be rocks and soil. There are a variety of methods
Premium Mixture Chemical substance Chemical compound
Wk 3 DQ 1 EDD 721 Identify trends and common components of change theories over the last 25 years. Discuss the similarities and differences of the change theories based on the trends and components. One of the change theories that we have seen grow over the past 25 years was the innovative theory. Technology has come along way and as I think back to the year 1987 I can remember that the computers were gradually making a new change as well as that brick cell phones were becoming popular. The
Free Mobile phone Internet USB flash drive
using the impulse-momentum relationship. A 4kg mass is initially moving in the x direction at 5 m/s. A force in the positive x direction acts on the mass for 7 seconds as follows: a. The force grows linearly from 0 to 8 Newtons in 2 seconds. b. The force stays constant at 8 Newtons for 3 seconds. c. The force decreases linearly to 0 in 2 seconds. 1. Calculate the initial momentum. 2. Calculate the total impulse. 3. Calculate the final momentum. 4. Calculate the final
Premium Mass General relativity Force
1. 1 aboriginal communities were constantly being denied‚ discriminated‚ and excluded‚ but the ‘petition’ changes the perspective of the white society. As a consequence‚ the attitudes towards aboriginal groups were slowly changing. ainbow’s End: Key Scene Analysis - ’Belonging’: Student ... belongingareaofstudy.blogspot.com/.../rainbows-end-key-scene... 翻译此页 2009年10月24日 - ActivityMake notes about a key scene in Rainbow’s End‚ taking into ... Then write a full analysis of the scene and its techniques
Premium Rainbows End Portable Document Format Indigenous Australians
Prince Bazar is one of the leading super shops of this country. It holds the highest growth rate in super shop business in Bangladesh. Its motto is to provide the quality products in lowest price and perfect customer service. Prince Bazar had been established on 2005 and successfully running till now. It is situated at Mirpur-1 (Near Bus stand) and fully desired to fulfill the demand of the people of that area. Prince Bazar is one of the well decorated‚ modern super shops‚ which assures every
Premium Customer service Customer Tram
1. Introduction 1.1 Main Hotel: Capella Singapore Strategically located on Singapore’s most alluring island‚ Sentosa‚ Capella Singapore is spread across 30-acres of lush grounds and gardens. Built on a gently terraced knoll‚ the Resort is blessed with a stunning vista of the South China Sea. Perfectly complementing the magnificent grounds is the Resort’s rich history and heritage with four colonial structures that began life in the 1880s. Sentosa‚ a word that means peace and tranquillity in
Premium Hotel Singapore
Since all governments are either republics or principalities‚ Machiavelli noted‚ their people will be accustomed either to managing their own affairs or to accepting the leadership of a prince. (For that reason‚ the safest princes are those who inherit their rule over people used to the family.) A wise leader‚ however‚ will be able to assume problems long before they actually arise‚ using virtù to forestall what would otherwise be great difficulties. Whatever vitality a former republic may have‚
Premium Florence Prince The Prince
Chapter 1 BASIC ELEMENTS At a top level‚ a computer consists of processor‚ memory‚ and I/O components‚ with one or more modules of each type. These components are interconnected in some fashion to achieve the main function of the computer‚ which is to execute programs. Thus‚ there are four main structural elements: • Processor: Controls the operation of the computer and performs its data processing functions. When there is only one processor‚ it is often referred to as the central processing unit
Premium Central processing unit Computer program