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

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

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

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

The discharge velocity at the pipe exit in figure is

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

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

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

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

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

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

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

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

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

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

The basic load rating of a ball bearing is

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

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

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

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

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

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

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

Match the following

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

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

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

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