Mechanical Engineering
GATE ME exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 81–90 of 1040. Imported answers require independent review unless marked reviewed.
Question 16
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Consider two identical tanks with a bottom hole of diameter
. One tank is filled with water and the other tank is filled with engine oil. The height of the fluid column
is same in both the cases. The fluid exit velocity in the tanks are
and
. Neglecting all losses, which one of the following options is correct? 
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In a laboratory experiment using a scaled down model to measure scour at a bridge pier, the Froude number is important. The ratio of the prototype length to the model length is 100. If the velocity of the model is 1 m s
, the velocity (in m s
) of the prototype isYour answerChoose one option.
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Air inside a rigid, thermally-insulated tank undergoes stirring as shown in the figure below. Which one of the following options is correct?
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In a psychometric chart, one axis represents dry-bulb temperature. The axis, that is perpendicular to the dry-bulb temperature axis, represents
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Among the following surface hardening processes, steel is heated to the lowest temperature in
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The welding process commonly used for fabricating tailor-welded blanks of dissimilar thickness for automotive applications is
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The yield stress of a metal in uniaxial tension is 200 MPa. According to von Mises yield criterion, the yield stress (in MPa) of the metal in pure shear is closest to
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In computer aided design (CAD), solid models can be constructed using
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Ceramics and glass are machined by
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When assembled, the hole
mm and shaft
mm will result inYour answerChoose one option.
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