GATE ME 1988
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GATE ME

A Newtonian fluid has the following velocity field : $$$\overrightarrow V = {x^2}y\widehat i + 2x{y^2}z\widehat j - y{
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A circular plate $$1$$ $$m$$ in diameter is submerged vertically in water such that its upper edge is $$8m$$ below the f
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Water flows through a pipe of diameter $$0.30$$ $$m.$$ What would be the velocity $$V$$ for the conditions shown in the
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The discharge in $${m^3}/s$$ for laminar flow through a pipe of diameter $$0.04$$ $$m$$ having a centre line velocity of
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The parameters which determines the friction factor for turbulent flow in a rough pipe are:
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A $$0.20$$ $$m$$ diameter pipe $$20$$ $$km$$ long transport oil at a flow rate of $$0.01{m^3}/s.$$ Calculate the power r
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Steam is flowing through an insulated steel pipe shown in the fig, is losing heat to the surroundings. The details are a
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For the fluid flowing over a flat plate with Prandtle number greater than unity, the thermal boundary layer for laminar
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For a glass plate transitivity and reflectivity are specified as $$0.86$$ and $$0.08$$ respectively, the absorptivity of
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A shell and tube heat exchanger is to be designed for heating pressurized water by means of hot gasses which get cooled
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In the design of shafts made of ductile materials subjected to twisting moment and bending moment, the recommended theor
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For full depth of involute spur gears, minimum number of teeth of pinion to avoid interference depends upon
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If the load on a ball bearing is reduced to half, the life of the ball bearing will
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The contraction allowance provided on the pattern and core boxes compensates for the following type of contraction.
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The ideal cutting fluid for low speed machining of metals should be one which
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Pure metal pose machinability problem in turning operations. The reason is the
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Cutting speed in grinding is set to a high value to
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The standard specification of a grinding wheel is $$A-46-M-6-V-21.$$ It means a wheel of
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In twist drills ......... (small/large) point angle and ........ (small/large) helix angle are provided for drilling sof
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In an engineering drawing one finds the designation of $$20G7F8.$$ The position of tolerance of the hole is indicated by
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A tapered cantilever beam of constant thickness is loaded as shown in the sketch below. The bending stress will be:
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If the length of a column is doubled, the critical load becomes:
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