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ESE ME 2021 : Technical Quiz-3
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Question 1
A plate of thickness 0.001m, distant from a fixed plate , moves at 6cm/s and requires a shear force of 12 N/m2 to maintain this speed. The fluid viscosity is____
Question 2
There are two radiating surfaces having area, A1 = 5 m2 and A2 = 10 m2. The ratio of shape factor F2-1 to F1-2 is __________.
Question 3
A grinding wheel of 150 mm diameter is rotating at 3000 rpm. The grinding speed is _____.
Question 4
In a deltoid linkage in four bar mechanism, the number of revolution of shortest link corresponding to one revolution of longest link if one shortest link is fixed is ___.
Question 5
A spring has wire diameter d and coil diameter D . If d and D are halved, the resulting deflection will be _________.
Question 6
The plane of maximum shear stress has normal stress that is
Question 7
During January, at a location in Rohtang, winds at-6 °C can be observed. Several meters below the ground, the temperature remains at 27 °C. A scientist claims to have devised a power cycle exploiting this situation that has thermal efficiency of 10%. Whether the claim is true?
Question 8
A mass of 10kg is attached between two spring having stiffness 15kN/m & 10kN/m respectively.The frequency of the system is (in Hertz)
Question 9
Two metallic blocks having masses in the ratio 2:3 are made to slide down a friction less inclined plane starting initially from rest position. When these blocks reach the bottom of the inclined plane, they will have their kinetic energies in the ratio
Question 10
A well insulated vessel containing air is heated to double the pressure and temperature 150% of initial. The amount of air that leaked is
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ESE & GATE MEGeneralJul 13ESE & GATE ME
