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CIL ME TECH Quiz 2
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Question 1
Work done in polytropic process (n<γ)is always______heat supplied.
Question 2
γ – iron occurs at temperature of
Question 3
In stable equilibrium for completely submerged bodies what is the relation between forces?
Question 4
An axially loaded bar is subjected to a normal stress of 173 MPa. The shear stress in the bar is
Question 5
Which of the following is not a type of arc welding?
Question 6
Of the radiant energy 350W/m2 incident upon a surface 250W/m2 is absorbed, 60W/m2 is reflected and the remainder is transmitted through the surface. Workout the value for reflectivity for the surface material
Question 7
The efficiency of the diesel cycle increases
Question 8
A shaft with torsional stiffness (q) has a disc of mass moment of inertia (I) attached at the end, then the natural frequency (fn) of free torsional vibration of the shaft is given by:
Question 9
Calculate the bearing life , if rating life for bearings is 9000h and shaft is rotating at 1500rpm.
Question 10
There is enthalpy drop only in.......blades in case of an impulse steam turbine
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ESE & GATE MEGeneralMay 20ESE & GATE ME