Mechanical Engi...

The Taylor’s tool life exponent n is 0.4 and tool changing time is 2 minutes. For maximum production rate the tool life in minutes is

The hydrostatic stress for the state of stress represented by σ_ij given below is _______ MPa

What will be the force exerted by a jet of water of diameter 100 mm on a stationary flat plate when the jet strikes the plate normally with the velocity of 20 m/s?

[assume, Density of water = 1000 kg/m³, π = 3.14]

An external force of 1 N is applied on the block of 1 kg as shown in the figure. The magnitude of the friction force F_s is (where, μ  = 0.3, g = 10 m/s²):

A turbine develops 9000 kW when running at 100 rpm. The head on the turbine is 25 m. If the head on the turbine is reduced to 16 m. Determine the speed

The shape factor in the case of radiation exchange between a hemispherical surface and plane surface is:

Let P and Q be two real matrices of size 4 × 6 and 5 × 4, respectively. If rank(Q) = 4 and rank(QP) = 2, then rank(P) is equal to ________

Find the total horizontal force acting on a horizontal cylinder floating water.

ρ = density of fluid, D = diameter of cylinder, w = length of cylinder

Match the following NC codes with their options

A schematic diagram of the poring basin and the sprue of a gating system is shown in the figure. The depth of molten metal in the pouring basin is 100 mm and the height of the sprue is 1,500 mm.

Considering the cross-section of the sprue is circular, the ratio d₁:d₂ to avoid aspiration is