GMAT with Software

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Research & Education Association, 2005 - Study Aids - 675 pages
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REA's new TESTware edition of Graduate Management Admission Council (GMAT) 4th Edition is completely aligned with the official exam for admission into graduate programs. Covers all areas of the exam with in-depth reviews and Q & A drills: Verbal, Quantitative, Writing, and Critical Reasoning. REA's unique, interactive CD-ROM software interacts like the official computer-adaptive (CAT) exam, with full-length practice tests spanning up to four separate levels of difficulty, plus verbal and reading building exercises. Complete with analysis of each answer and a study guide designed to increase your knowledge and skill.

DETAILS:
- Comprehensive subject review of official GMAT topics
- Progressive study schedule builds skills
- Packed with exam tips, insights, and advice to build confidence
- Challenging question-and-answer drills
- All exam answers are fully detailed with clear explanations

TESTware software on CD-ROM features:
- Full-length practice tests spanning up to four levels of difficulty for the closest experience to taking the live computer-adaptive exam
- Automatic and accurate scoring for immediate feedback
- Detailed, on-screen explanations for all questions

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Blistering
Blisters of glaze, or craters that are the remnants of burst bubbles, sometimes revealing Cratering the bare clay underneath. are often a fault of over-firing or of firing too fast. If the
blisters are more uniform and small then it can be a result of firing a high alkaline glaze too low. Glazes move through a boiling phase prior to smoothing out to a glossy glaze, then if heating continues they can start to boil again, depending on the materials used and the kinds of gasses released.
Crawling
The shrinkage of the glaze during the early stages of melting pulls the glaze off the pot leaving bare unglazed areas. Most often caused by dust, dirt or oil on the bisqued pots. Other causes are surface texture, very viscous glazes, too thick glaze slop, or pots that are damp. Applying more glaze to the affected area and re-firing usually saves the pot. Some special effect glazes use certain ingredients deliberately to create a crawling glaze.
Crazing
A network of fine cracks through the glaze. Caused when a glaze contracts more than the clay during cooling. A large mismatch in shrinkages will result in fine crazing. Alkaline glazes or very fluid glazes tend to craze, even if not immediately obvious, over time craze lines will appear. Adjust the glaze by adding silica or alumina, or replace the alkaline fluxes (soda and potash) with alkaline earths (calcium, magnesia) or with boron frits.
Pinholing
Tiny holes in the surface of the glaze, sometimes penetrating down to the surface of the clay. Can be the first sign of blistering, or crawling. Soaking of the kiln at top temperatures for up to a hour can help the glaze to heal over. Some viscous glazes or those with fluorine in them will pinhole more easily.
 

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