used office machines

Machine - From times immemorial, man has used machines to help him in his work. Today, we are dependent on machine for almost every task. When we think of machines we always tend to think of big and complicated units with many moving parts like whee..

From times immemorial, man has used machines to help him in his work. Today, we are dependent on machine for almost every task. When we think of machines we always tend to think of big and complicated units with many moving parts like wheels and rollers..

Simple Machines - In all the above examples, a machine either multiplies or reduces the effect of the force that is applied. A bicycle is a machine which is used to gain speed. We gain speed by exerting additional force. When we try to ride a bicycle up a ste..

A bicycle is a machine which is used to gain speed. We gain speed by exerting additional force. When we try to ride a bicycle up a steep hill, we soon realize that we gain speed by applying greater force. It is impossible to multiply both the force and gain the speed at th..

Machine A can do a work in 6 hours. Machine B and C together can do the same work in 4 hours. If the three machines are being used together, how long will it take to complete the job? => 3 hours or 2 hours or 2 hours 24 minutes or 3 hours 30 minutes..

Machine - From times immemorial, man has used machines to help him in his work. Today, we are dependent on machine for almost every task. When we think of machines we always tend to think of big and complicated units with many moving parts like whee..

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..

Tony wears a white shirt (WS) or a red shirt (RS) with a black trouser (BT) or a gray trouser (GT) to office. Use a tree diagram to find the different combinations of a shirt and a trouser that he can wear. => 7 or 4 or 6 or 5..

Tom buys files and notepads for office use every week. Files costs $25.00 and notepads costs $17.00. Which is the best estimate of the amount Tom spends on files and notepads for the 45 weeks in a year? => Between $850 and $1350 or Between $750 and $1250 or Between $1000 and $20..

A Factory produces two types of toys A and B with the help of two machines I and II. The two machines I and II can not be used for not more than 1 1 2 hours each to manufacture the toys. The toy A requires 1 minute of machine I and 2 minutes of II, where as a..