The probability that two friends share the same birth-month is

The general solution of the differential equation $${x^2}{{{d^2}y} \over {d{x^2}}} - x{{dy} \over {dx}} + y = 0$$ is

The radial displacement in a rotating disc is governed by the differential equation $$\,\,{{{d^2}u} \over {d{x^2}}} + {1

A car moving with uniform acceleration covers 450 m in a 5 second interval, and covers 700 m in the next 5 second interv

A cylinder of mass $$10$$ kg and area of cross-section $$0.1$$ $${m^2}$$ is tied down with string in a vessel containing

The discharge velocity at the pipe exit in figure is

The temp variation under steady heat conduction across a composite slab of two materials with thermal conductivies $${K_

A gas filled tube has $$2$$ $$mm$$ inside diameter and $$25$$ $$cm$$ length. The gas is heated by an electrical wire of

Heat transfer coefficients for free convection in gasses, forced convection in gases and vapors, and for boiling water l

Hot water flows with a velocity of $$0.1$$ $$m/s$$ in a $$100mm$$ long, $$0.1m$$ diameter pipe. Heat lost from the pipe

A hot fluid at $${200^ \circ }C$$ enters a heat exchanger at a mass flow rate of $${10^4}\,\,kg/hr.$$ Its specific heat

In inventory planning, extra inventory is unnecessarily carried to the end of the planning period when using one of the

One of the following statements about $$PRS$$ (Periodic Reordering System) is not true. Identify.

Which one of the following forecasting techniques is not suited for making forecasts for planning production schedules i

A job shop has $$6$$ orders to be completed by a single turning center. The processing times and due dates are as follow

Which theory of failure will you use for aluminium components under steady loading is

Bolts in the flanged end of pressure vessel are usually pre- tensioned. Indicate which of the following statements is no

The basic load rating of a ball bearing is

Match the following

Two castings of the same metal have the same surface area one casting is in the form of a sphere and the other is a cub

A strip with sectional area $$150mm\,\, \times \,\,4.5mm$$ is being rolled with $$20\% $$ reduction of area using $$450m

The voltage-arc length characteristics of a $$DC$$ arc is given by $$V=20+4L.$$ Where $$L$$ is in $$mm$$. During a weldi

The voltage-arc length characteristics of a $$DC$$ arc is given by $$V=20+4L.$$ Where $$L$$ is in $$mm$$. During a weldi

In orthogonal machining operation, the chip thickness and the uncut chip thickness are equal to $$0.45mm$$. If the tool

A cylinder of $$155$$ $$mm$$ is to be reduced $$150$$ $$mm$$ diameter in one turning cut with a feed of $$0.15$$ $$mm$$/

A flywheel of moment of inertia $$9.8$$ kg m2 fluctuates by $$30$$ rpm for a fluctuation in energy of $$1936$$ Jouls. T

A Curtis stage, Rateau stage and a $$50$$% reaction stage in a steam turbine are examples of

If $$\,\,{V_N}\,\,$$ and $$\alpha $$ are the nozzle exit velocity and nozzle angle in an impulse turbine, the optimum bl

The isentropic heat drop in the nozzle of an impulse steam turbine with a nozzle efficiency $$0.9,$$ blade velocity rati

A Rankine cycle operates between pressures of $$80$$ bar and $$0.1$$ bar. The maximum cycle temperature is $${600^ \circ