Mechanical Engineering
GATE ME topic:mechanics PYQs
Build your understanding with focused practice from past exam papers.
Questions 681–690 of 1040. Imported answers require independent review unless marked reviewed.
Question 6
Open questionMEMCQ1 markNeeds review
The natural frequencies corresponding to the spring-mass systems I and II are
and
, respectively. The ratio
is 
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Open questionMEMCQ1 markNeeds review
Consider a linear elastic rectangular thin sheet of metal, subjected to uniform uniaxial tensile stress of 100 MPa along the length direction. Assume plane stress conditions in the plane normal to the thickness. The Young’s modulus
MPa and Poisson’s ratio
are given. The principal strains in the plane of the sheet areYour answerChoose one option.
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Open questionMEMCQ1 markNeeds review
A spur gear with 20° full depth teeth is transmitting 20 kW at 200 rad/s. The pitch circle diameter of the gear is 100 mm. The magnitude of the force applied on the gear in the radial direction is
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Open questionMEMCQ1 markNeeds review
A spur gear has pitch circle diameter
and number of teeth
. The circular pitch of the gear isYour answerChoose one option.
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Open questionMEMCQ1 markNeeds review
During a non-flow thermodynamic process (1-2) executed by a perfect gas, the heat interaction is equal to the work interaction (
) when the process isYour answerChoose one option.
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Open questionMEMCQ1 markNeeds review
Endurance limit of a beam subjected to pure bending decreases with
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Open questionMEMCQ1 markNeeds review
For a hydrodynamically and thermally fully developed laminar flow through a circular pipe of constant cross-section, the Nusselt number at constant wall heat flux (
) and that at constant wall temperature (
) are related asYour answerChoose one option.
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Open questionMEMCQ1 markNeeds review
A two-dimensional incompressible frictionless flow field is given by
. If
is the density of the fluid, the expression for pressure gradient vector at any point in the flow field is given asYour answerChoose one option.
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Open questionMEMCQ1 markNeeds review
As per common design practice, the three types of hydraulic turbines, in descending order of flow rate, are
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Open questionMEMCQ1 markNeeds review
Sphere 1 with a diameter of 0.1 m is completely enclosed by another sphere 2 of diameter 0.4 m. The view factor
isYour answerChoose one option.
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