GATE Prev Year : Machine Design Test-3

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Question 1

Which among the following is a dynamic testing method?

• ASteady state Resonance
• BFree Decay Resonance
• CSteady State Non-Resonant
• DAll of these

Question 2

After the slip has occurred, the positions of the atoms have changed permanently, resulting in a change in shape or size of the part. Identify this type of deformation?

• APlastic deformation
• BElastic deformation
• CSlip deformation
• DMolecular deformation

Question 3

In a band brake the ratio of tight side band tension to the tension on the slack side is 3. If the angle of overlap of band on the drum is 180 ° the coefficient of friction required between drum and the band is

• A 0.20
• B 0.25
• C 0.30
• D 0.35

Question 4

The expression for the notch sensitivity factor q will be:

• A
• B
• C
• D

Question 5

Match the following

• AP-4 Q-2 R-1 S-3
• BP-2 Q-3 R-4 S-1
• CP-3 Q-2 R-1 S-4
• DP-1 Q-3 R-4 S-2

Question 6

In a bolted joint two members are connected with an axial tightening force of 2200 N. if the bolt used has metric threads of 4 mm pitch, the torque required for achieving the tightening force is_____. 

• A0.7 Nm
• B1.0 Nm
• C1.4 Nm
• D2.8 Nm

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