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Q.3 Equation of continuity results from the principal of conservation of
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Q.2 If no resistance is encounted by displacement such a substance is known as
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Q.1 Property of fluid by which molecules of different kind of fluids are attracted to each other is called
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Q.9 calculate the specific weight of a 1 litre of liquid which weight 9 N in (N/m³)
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Q.4 A fusion welding process in which the weld is affected by pouring superheated liquid around the parts to be united, is known as
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Q.3 In arc welding process, the voltage and current are 25 V and 300 A respectively. The arc heat transfer efficiency is 0.85 and welding is 8 mm/sec . The net heat input (in J/mm) is
SSC JE
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Q.2 Arrange the processes in increasing order of the strength of the joint
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Q.1 A company uses 2555 units of an item . Delivery lead time is 8 days. The reorder point(in no of units) to achieve optimum inventory is
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Let Raja present age is - x
Arun present age is - y
Given x = 3y .......(i)
Three years ago
(x-3) = 4 (y-3)
4y-x = 9 ......(ii)
Solving equations 1 and 2
x =27
Y=9
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A = 3B/2 .......(i)
Ten years hence means 10 saal ke baad
(A+10) + (B+10) = 80
A+B = 60 ....... (ii)
Solve equation 1 and 2
A=36
B=24
