button making machines

A machine can make 1,500 bolts in 3 hours. Which graph shows the relationship between the number of bolts produced by the machine and the time taken? => Graph 4 or Graph 3 or Graph 1 or Graph 2..

A machine makes 324 copies in 16 hours. How many copies can it make in 96 hours, if number of hours and the number of copies vary directly? => 1944 copies or 1968 copies or 1948 copies or None of the above..

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..

A machine makes 182 copies in 4 hours. How many copies can it make in 70 hours, if number of hours and the number of copies vary directly? => 3220 or 3185 or 3187 or 3186..

Telefacsimile's or Fax machines are a must for many businesses around the world. The fax machine however, did not become widely used until the late 1980's. A fax means basically scanning a page to make an electronic representation of its text or graphics, compresses t..

i. The linear programming technique helps to make the best possible use of available productive resources (such as time, labour, machines etc.) ii. In a production process, bottle necks may occur. For example, in a factory some machines may be in great dema..

Use of lubricants makes the surface smooth. In machines, friction is reduced by using lubricants such as oil, grease or graphite powder. The lubricant fills the minute unevenness of the two surfaces and separates them by forming a very thin layer in between. This layer offers v..

The linear programming technique helps to make the best possible use of available productive resources (such as time, labour, machines etc.) In a production process, bottle necks may occur. For example, in a factory some machines may be in great demand while other..

Electroplating is very useful because of the following reasons: Surface protection e.g. nickel plating of iron to prevent corrosion. Makes the article attractive e.g., electroplating of silver or gold on brass etc. Repair of finer machine parts..

. Depending on the child's age, between 15 to 45 minutes a week, is all preschoolers need. The computer makes your child competent, but you still have to teach him to be human." Dr. Murthy emphasizes that to incorporate the tech advances, the "chalk and talk" method needs to be replaced a..