DRDO Mechanical Engg Mode Papers

Will you please provide here DRDO Mechanical Engg Mode question Papers???

[Kiran Chandar]

You are looking for DRDO Mechanical Engg Mode question Paper, I am giving here:

1. A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm.
It is required to lift a mass of 1000kg. The force required on plunger is
nearly equal to
a) 100N b) 1000N c) 10000N d) 1ON Ans.

2. If the stream function is given by Ψ= 3xy, then the velocity at a point
(2, 3) will be
a) 7.21 unit b) 18 unit c)10.82 unit d)54unit Ans.

3. The correct sequence of the centrifugal, pump components through
which the fluid flows is
a) Impeller, Suction pipe, Foot valve and strainer, Delivery pipe b) Foot valve and strainer, Suction pipe, Impeller, Deliverypipe c) Impeller, Suction pipe,Delivery pipe,Foot valve and strainer d) Suction pipe, Delivery pipe, Impeller,Foot valve and strainer Ans.

4. The relation p = constant, where y is the ratio of the specific heats of
ideal gas, is applicable to
a) Any adiabatic process b)Only reversible adiabatic process c) Only irreversible adiabatic process d) Only isothermal process Ans.

5. Across a normal shock
a) static pressure and the static temperature rise b) entropy remains constant c) velocity and static pressure decrease d) density an








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