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SSC JE 2019- 20 Technaical Quiz 21
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Question 1
A grinding wheel is specified as 49 A 36 M V 24. The number 36 stands for
Question 2
Shortest Processing Time (SPT) sequencing minimises the
Question 3
Minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is_____.
Question 4
When the temperature of a solid surface changes from 127 °C to 927 °C, the ratio of emissive power final to initial will be
Question 5
For manometer, a better liquid combination is one having
Question 6
For ductile materials, the most economical failure theory is _____.
Question 7
If the ratio of inner diameter (Di) to outer diameter (Do) is 2/3, then the ratio of torque carrying capacity of a solid shaft to that of a hollow shaft will be:
(Assume external diameter of both shafts to be equal and the shafts to be made of the same material)
Question 8
In a Hartnell governor, the sleeve and ball arms are 80 and 160 mm respectively. The centrifugal forces at radius of 25 cm and 35 cm are 260 N and 490 N respectively. The stiffness of the spring used is:
Question 9
What happens when supercharging is done for spark ignition engines?
Question 10
If the COP of Carnot refrigerator is 4, then the thermal efficiency of the Carnot engine would be __________.
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ESE & GATE MEGeneralJun 4ESE & GATE ME