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DMRC 2018 Mechanical Engineering Quiz 12
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Question 1
A machine lifts 45 kg box with upward acceleration of 5.5 m/s2, and pushes the box forward with an acceleration of 3.5 m/s2. Find the magnitude of horizontal force Fx acting on the box?
Question 2
On a ladder resting on a smooth ground and leaning against vertical wall, the force of friction will be:
Question 3
Diameter of a hole after plating needs to 
mm. If the plating thickness varies between 10 - 15 microns, diameter of the hole before plating should be
mm. If the plating thickness varies between 10 - 15 microns, diameter of the hole before plating should be Question 4
A block is connected to a vertical spring having adequate damping and stiffness. The block was pulled down thus stretching the spring and then release it. Thus the motion resulted due to it;
Question 5
Moulds are made from special sand having specific properties so that defects do not occur. It is normally a mixture of
Question 6
The flow rate of fluid flowing through a conduit is to be measured for analysis. The flow rate depends mainly on hydraulic properties of conduit like;
Question 7
The output of a diesel engine can be increased without increasing the engine revolution or size in following way.
Question 8
The point U in Stress Strain Curve shown represents:
Question 9
Which one of the following statement is TRUE?
Question 10
A workpiece is being machined on a shaper machine. The chip thickness before cutting is t and chip thickness after cutting is tC. If there is no change in the volume of the metal, the chip thickness ratio is given by :
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ESE & GATE MEGeneralJul 13ESE & GATE ME
