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The Pennsylvania Railroad class Q1, #6130, was a single experimental steam locomotive designed for dual service. The locomotive entered service in 1942, and retired in 1949 after accumulating a relatively low 165,000 service miles. The Q1 had a 4-6-4-4 wheel arrangement, consisting of a four-wheel leading truck, two sets of driving wheels (six ...
The Q2 locomotive was 78% more powerful than the locomotives that PRR had in service at the time, and the company claimed the Q2 could pull 125 freight cars at a speed of 50 mph (80 km/h). [5] These were an improved version of the previous Q1 class , which was a 4-6-4-4 dual-purpose engine instead of a 4-4-6-4 freight engine.
The calendar year can be divided into four quarters, often abbreviated as Q1, Q2, Q3, and Q4. Since they are three months each, they are also called trimesters. In the Gregorian calendar: First quarter, Q1: January – March (90 days or 91 days in leap years) Second quarter, Q2: April – June (91 days) Third quarter, Q3: July – September (92 ...
Fiscal quarters are four three-month periods during which a company's financial activities and statements are calculated, processed and reported to investors. Below is an outline for the quarters ...
Multimedia studies as a discipline came out of the need for media studies to be made relevant to the new world of CD-ROMs and hypertext in the 1990s. Revolutionary books like Jakob Nielsen's Hypertext and Hypermedia lay the foundations for understanding multimedia alongside traditional cognitive science and interface design issues. [1]
Multimedia refers to the integration of multiple forms of content such as text, audio, images, video, and interactive elements into a single digital platform or application. This integration allows for a more immersive and engaging experience compared to traditional single-medium content. Multimedia is utilized in various fields including ...
Quartile. In statistics, quartiles are a type of quantiles which divide the number of data points into four parts, or quarters, of more-or-less equal size. The data must be ordered from smallest to largest to compute quartiles; as such, quartiles are a form of order statistic. The three quartiles, resulting in four data divisions, are as follows:
In computing, a presentation program (also called presentation software) is a software package used to display information in the form of a slide show. It has three major functions: [1] an editor that allows text to be inserted and formatted. a method for inserting and manipulating graphic images and media clips.