In a manufacturing plant, the probability of making a defective bolts is $$0.1$$. The mean and standard deviation of def

Find the solution of the differential equation $$\,{{{d^2}u} \over {d{t^2}}} + {\lambda ^2}y = \cos \left( {wt + k} \r

The ratio of tension on the tight side to that on the slack side in a flat belt drive is

A steel wheel of 600 mm diameter rolls on a horizontal steel rail. It carries a load of 500 N. The coefficient of rollin

In given figure, if the pressure of gas in bulb $$A$$ is $$50$$ $$cm$$ $$Hg$$ vacuum and $${P_{atm}} = 76\,cm\,Hg,$$ the

Navier Stoke's equation represents the conservation of

A thin metal plate is exposed to solar radiation. The air and the surroundings are at $${30^ \circ }C\,.$$ The heat tran

Air enters a counter-flow heat exchanger at $${7^ \circ }C$$ and leaves at $${40^ \circ }C$$. Water enters at $${30^ \ci

A company places orders for supply of two items $$A$$ and $$B.$$ The order cost for each of the items is Rs.$$300$$ /ord

Given below are the data for a project network. (a) Draw the network for the above project capturing the precedence re

In a time series forecasting model, the demand for five time periods was $$10, 13,$$ $$15,$$ $$18$$ and $$22.$$ A linear

In a single server infinite population queuing model, arrivals follow a Poisson distribution with mean $$\lambda = 4$$

Solve the following linear programming problem by simplex method $$\eqalign{ & Maximize\,\,\,\,\,\,4{x_1} + 6{x_2

Given below is a basic feasible solution to a transportation problem with three supply points $$(A,B,C)$$ and three dema

The forecasts for a product for the next three months are given as $$750,850$$ and $$1000$$ units. The number of regular

A $$1.5$$ $$kW$$ motor is running at $$1440$$ rev/min. It is to be connected to a stirrer running at $$36$$ rev/min. the

The life of a ball bearing at a load of $$10$$ $$kN$$ is $$8000$$ hours. Its life in hours, if the load is increased to

In computer aided drafting practice, an arc is defined by

Two castings, a cube and a slab of the same material solidify under identical conditions. The volumes of the castings ar

A cylindrical billet of $$100$$ $$mm$$ diameter is forged from $$50$$ $$mm$$ height to $$40$$ $$mm$$ at $${1000^0}$$$$C$

Two different pairs of sheets of same material are welded by resistance-spot welding. In one pair, the average radius $$

A built up edge is formed while machining

A conventional lathe and a $$CNC$$ lathe are under consideration for machining a given part. The relevant data are shown

Deep hole drilling of small diameter, say $$0.2$$ $$mm$$ is done with $$EDM$$ by selecting the tool material as

Abrasive material used in grinding wheel selected for grinding ferrous alloys is

The abrasive material used in grinding wheel selected for grinding of ferrous alloys is

Cellular manufacturing is suitable for

Disposable patterns are made of

In finish machining of an island on a casting with $$CNC$$ milling machine, an end mill with $$10$$ $$mm$$ diameter is e

A 1.5 kW motor is running at 1440 rev/min. Its is to be connected to a stirrer running at 36 rev/min. The gearing arran

As shown in Figure, a mass of 100 kg is held between two springs. The natural frequency of vibration of the system, in

A steam turbine receives steam steadily at $$10$$ $$bar$$ with an enthalpy of $$3000$$ $$kJ/kg$$ and discharges at $$1$$

When an ideal gas with constant specific heats is throttled adiabatically, with negligible changes in kinetic and potent

A certain mass of a pure substance undergoes an irreversible process from state $$1$$ to state $$2,$$ the path of the pr

Availability of a system at any given state is

Which of the following is a pressure compounded turbine?

For a compressible fluid, sonic velocity is

A simple impulse turbine expands steam frictionlessly from $$12$$ bar, $${250^0}C$$ with an enthalpy of $$2935$$ $$kJ/kg