Trade Tests in Education

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Teachers college, Columbia university, 1921 - Всего страниц: 118

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Стр. 19 - ANGLK>. the centre is found by dividing 360°, the number of degrees in a circle, by the number of sides in the polygon ; and by setting off round the centre of the circle a succession of angles by means of the protractor, equal to the angle in the table due to a given number of sides, the radii so drawn will divide the circumference into the same number of parts. The triangles thus formed are termed...
Стр. 53 - The specific gravity is the ratio of the weight of a substance to the weight of an equal volume of water.
Стр. 52 - It is expressed by the product of the mass of a body multiplied by the square of its velocity.
Стр. 40 - Ans. (1/2, 1/3, 1/8, 1/s, 1/1o). 3. How many minutes does it take light to travel from the sun to the earth? Ans. (4, 8, 12, 16, 20). 4. By what sculptor was "The Thinker
Стр. 55 - What do you call the ratio of the amount of heat required to raise a given weight of metal one degree Centigrade to that required to raise the same weight of water one degree?
Стр. 53 - What do you call the ratio of the weight of a substance to the weight of the same volume of water? Ans. Specific-gravity. 27. What is the unit of electrical power called? Ans. Watt. 28. What is the unit of mechanical power in FPS units called? Ans. Foot-pound. 29. How many watt-hours in a kilo-watt-hour? Ans. 1000. 30. What do you call the product of a force multiplied by the distance through which it moves? Ans. Work. 31. What physical property has a body which causes it to rebound when dropped...
Стр. 117 - ... objective-direction questions considered as instruments for the discovery of truth. Nevertheless, their answers exhibit great differences, and it is in the interest of justice that these differences should be recognized." Illustrations are given from court-room procedure. PINTNER, RUDOLF, and TOOPS, HERBERT A.: A Chart for Rapid Computation of Point Scale Scores. (Journal of Delinquency, 1917, VoL II, pp. 209-210.) The authors give in tabular form the coefficient of mental ability represented...
Стр. 19 - Score 4. 8. In making a pattern from which a brass working pattern is to be made, how much shrinkage should be allowed to insure the proper size of gray iron castings to be made from the brass pattern?
Стр. 19 - No. 8 — In making a pattern from which a brass working pattern is to be made, how much shrinkage should be allowed to insure the proper size of gray-iron castings to be made from the brass pattern? A...
Стр. 117 - I he served with the trade test division of the committee on classification of personnel in the War Department.

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