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 ques 1.When measuring the  flow of liquid ,the two things which are needed to be? ans : pressure energy and kinetic energy. ques 2.in which industrial process you will use centrifugal separator? ans : Dairy and oil refining. ques 3.If  any machinery or transmission needs periodic and regular luberication what is the best method to give it? ans : Splash Luberication Method. ques 4.oil melts,grease melts ,is there any other luberication which effect at 200 degree celcius ? ans : Base oil. ques 5.What is a torque convertor? ans : A torque convertor is a type of fluid coupling that transfers rotating power from prime mover like IC engine to a rotating  driven load. https://www.videosprofitnetwork.com/watch.xml?key=5769a31c95817082a68f68d116db6325 ques 6.Instead of having individual transmission what is the benefit of unified transmission? ans : Less power is needed to run and More efficient. ques 7.What are the different types of clutches are there ? ans :Two main type 1. friction clutch

 ques 1 .The average price of 20 paint brush is $15 while average prices of 18 of those is $12 . for the remaining 2 brushes the prices of 1 is 40% more than that of other? answer: brush is $35 and other is $49.  ques 2 .the length and breadth of a rectangular field are 45 m and 30m respectively. find the ratio of the breadth to the length of the field? answer: breadth /length=30/45=2/3=2:3.  ques 3 .A certain distance is covered at a certain speed .if half the distance is covered in double the time,the ratio of the two speeds is? answer: 4:1.  ques 4 .Aman sells 5 articles for rs 15 and makes a profit of 20% .find his gain or loss percent if he sells 8 such articles for Rs 18.40? answer: 8%  loss.  ques 5. In what ratio should  a 20 % methyl alcohol solution be mixed with 50% methyl alcohol solution so that the resultant solution  has 40% methyl alcohol in it? answer: 1:2 .