making resin models

In the ion exchange process, hard water is passed through two tanks 'A' and 'B'. Tank- A contains acid resin and tank- B is filled with basic resin. All the cations present in hard water (except H + ) are removed by the acid resin present in Tank- A, and the basic ..

A toyshop placed a model of Pokemon toy before his shop. The scale used to make the model is 1 inch : 5 feet . The model is 30 feet tall. What is the actual height of the Pokemon toy? => 6 inches or 12 inches or 8 inches or 10 inches..

Chris wants to make a model of his guest house. He used a white card which is in the shape of the figure shown. Find the perimeter of the card used. => 26 cm or 27 cm or 29 cm or 28 cm..

Fig: 3.12 - Rutherford's model of an atom Rutherford's model suffered some drawback, as it could not explain the stability of the atom in-spite of the revolving electrons around the nucleus. The moving electrons should emit radiations and lose energy. They should slow down, grad..

Mr.Jerald, a salesman gets a commission of $2 on every $200 of the sales he makes. Write a direct variation model that relates his commission to his sales. => c = 100 s or c = 1 100 s or s = 10 c or s = 1 10 c..

A museum displayed a model of a fighter plane. The length of the model is 29 cm and the scale used to make the model was 1 cm to represent 1.2 ft. What would be the actual length of the plane? => 24.17 ft or 30.2 ft or 34.8 ft or 31.2 ft..

A manufacturer makes two models A and B of a product ,each should be processed by two machines. To complete one unit of model A, machines I and II must work 1 hour and 2 hours respectively. To complete one unit of model B, Machine I and II must work 4 hours a..

An automobile company has two factories, and each factory makes the same three models of car. At α = 0.05, find the test values F A , F B . Is there any difference in the mean mileage depending on the (i) factory (ii) type of model using a two-way ANOVA. [ A : Fa..

The annual cost C of making x pairs of one type of shoe is $30 per pair plus $100,000 in fixed overhead costs. Choose the equation that models the cost of producing x -pairs of shoes? => C = 50 x - 100,000 or C = 50 x + 100,000 or C = 30 x - 100,000 or C = 30 x + 100,000..

George owns a small business of making baseball bats. The function y = 5.8 x + 620 models his cost( y ) per week of making x bats. How many bats were produced in a week which incurred a cost of $1536.40? Solve algebraically. => x = 90 or x = 128 or x = 158 or x = 50..