Mechanical Engineering
GATE ME topic:mechanics PYQs
Build your understanding with focused practice from past exam papers.
Questions 951–960 of 1040. Imported answers require independent review unless marked reviewed.
Question 21
Open questionME-1NAT1 markNeeds review
In a metal forming operation when the material has just started yielding, the principal stresses are
,
,
. Following von Mises’ criterion, the yield stress is ______ MPa.Log in to check the answer
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Open questionME-2MCQ1 markNeeds review
The crystal structure of aluminium is
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Open questionME-1MCQ1 markNeeds review
Match the processes with their characteristics.
Process | Characteristics |
|---|---|
P: Electrical Discharge Machining | 1. No residual stress |
Q: Ultrasonic machining | 2. Machining of electrically conductive materials |
R: Chemical machining | 3. Machining of glass |
S: Ion Beam Machining | 4. Nano-machining |
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Open questionME-2NAT1 markNeeds review
Given the atomic weight of Fe is 56 and that of C is 12, the weight percentage of carbon in cementite (Fe
C) is ____________Log in to check the answer
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In an arc welding process, welding speed is doubled. Assuming all other process parameters to be constant, the cross sectional area of the weld bead will
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Open questionME-2MCQ1 markNeeds review
For a single server with Poisson arrival and exponential service time, the arrival rate is 12 per hour. Which one of the following service rates will provide a steady state finite queue length?
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Open questionME-1NAT1 markNeeds review
Metric thread of
pitch is to be cut on a lathe. Pitch of the lead screw is
. If the spindle rotates at
, the speed of rotation of the lead screw (rpm) will be ______.Log in to check the answer
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Open questionME-2NAT1 markNeeds review
The standard deviation of linear dimensions P and Q are 3 μm and 4 μm, respectively. When assembled, the standard deviation (in μm) of the resulting linear dimension (P+Q) is____________
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Open questionME-1MCQ1 markNeeds review
In the engineering stress-strain curve for mild steel, the Ultimate Tensile Strength (UTS) refers to
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Open questionME-2MCQ1 markNeeds review
It is desired to make a product having T-shaped cross-section from a rectangular aluminium block. Which one of the following processes is expected to provide the highest strength of the product?
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