In a syringe as shown in the figure, a piston of $$1\,\,c{m^2}$$ cross section is pushed at a constant speed of $$10\,\,

A $$400m$$ long horizontal pipe is to deliver $$900$$ kg of oil $$\left( {S = 0.9,\,\,\upsilon = 0.0002{m^2}/s} \right

The stream function in a two dimensional flow field is given by $$\Psi = {x^2} - {y^2}$$ The magnitude of the velocity

Two black plates, each one meter square, are placed parallel to each other in such a way that the radiation shape factor

The total efficiency, $${\eta _t}$$ for a finned surface may be defined as the ratio of the total heat transferred by th

The heat transfer process between a body and its ambient is governed by an internal conductive resistance $$\left( {{\rm

Which of the following is a technique for forecasting?

In an ideal inventory control system, the economic lot size for a part is $$1000.$$ If the annual demand for the part i

In order to test the efficiency of reducer gear train $$1kW$$ input was given at the input end at a speed of $$1440$$ $$

Modern gear both profile is given involute shape because

Stress concentration in a machine component of a ductile material is not so harmful as it is in a brittle material becau

In $$NC$$ part programming spindle speed of $$730rpm$$ will be coded by the magic - $$3$$ rule as

Appropriate instrument to check the flatness of slip gage is

Minimum dimensional and form accuracy can be obtained in the cylinder bores of automobile engines if the bores are finis

Gear hobbing produces more accurate gears than milling because in hobbing

Teeth of internal spur gears can be accurately cut in a

The cutting tool are being tried for an operation. Tailors tool life equation for them are as follows $$\eqalign{ &amp

The following data is available for machining a component on a turret or center lathe: find out the total number of comp

In an orthogonal cutting test on the following data were obtained Uncut chip thickness $$=0.25mm,$$ Cutting speed: $$60m

In turning operation the feed rate could be doubled to increase the metal removal rate To keep the same level of surface

The size of $$BLUE$$ in metal cutting increases with

Crater wear always starts at some distance from the tool tip because at that point

An arc welding $$DC$$ power source has a linear power source characteristic with open circuit voltage $${V_O} = \,\,80$$

Two cubical castings of the same metal and sizes of $$2cm$$ side and $$4cm$$ side are moulded in green sand. If the smal

Increase in water content in moding sand causes

Chills are used in molds to

A cylindrical elastic body subjected to pure torsion about its axis develops:

For a simply supporting beam on two end supports the Bending Moment is maximum:

An elastic body is subjected to a tensile stress $$X$$ in a particular direction and a compressive stress $$Y$$ in its p

The layout of a steam power plant working on the Rankine Cycle with single stage regeneration is shown in figure. Assumi

A economizer in a steam generator performs the function of

The fundamental objective of employing the condenser in a steam power plant is to (reducce / increase ) the ____________