Which of the following forces does not act on a fluid at rest ?

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_______________ test can be termed as the semi-destructive test?

A. Impact B. Torsion C. Hardness D. Charpy...

Material of construction of foundry crucible is _________________?

A. Lead B. Stainless steel C. Graphite D. Cast iron...

A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?

A. 0 B. 0.33 C. 0.44 D. 0.25...

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?

A. 0.5 B. 1 C. 1/3 D. 2.5...

In case of simple harmonic motion, displacement is proportional to the_________________?

A. Velocity B. Acceleration C. Both A. & B. D. Neither A. nor B....