Hydraulics & Fluid Mechanics
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will

remain same
increase/decrease depending on depth of immersion
increase
decrease

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
The normal stress is same in all directions at a point in a fluid

When there is no motion of one fluid layer relative to an adjacent layer
only when the fluid is frictionless
irrespective of the motion of one fluid layer relative to an adjacent layer
only when the fluid is incompressible and has zero viscosity

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics & Fluid Mechanics
Choose the wrong statement

when in equilibrium, fluids can sustain shear forces
fluids conform to the shape of the con-taining vessels
when in equilibrium, fluids cannot sustain tangential forces
fluids are capable of flowing

ANSWER DOWNLOAD EXAMIANS APP