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SSC JE 2019 - 20 Technical Quiz 63
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Question 1
Peclet Number is ________.
Question 2
Nodular gray cast iron is obtained from the gray cast iron by adding a small amount of ________.
Question 3
A child blows air through a nozzle to form bubbles. If the bubbles are to have a diameter of 5mm. Calculate the surface tension between air and soap. The pressure contained by the bubble is 150 N/m2.
Question 4
Which of the following is the main advantage of line organisation?
Question 5
A wire rope is designated by 8×19, find the no. of wire in each strand ______.
Question 6
What is the material removal mechanism of Laser beam machining process?
Question 7
A column has a cross-section of 25 mm2 and I=100 mm4 is hinged at both ends. What is the slenderness ratio if the length of the column is 1 m?
Question 8
The locus of the point of contact on two mating teeth from beginning of engagement to end of engagement is known as the _______________
Question 9
Joule-Thompson coefficient for an ideal gas is _______.
Question 10
Find the maximum work obtainable per kg of air in ideal brayton cycle working between temperature limits of 127oC and 1327oC. (Take Cp = 1 kJ/kg/K)
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ESE & GATE MEGeneralFeb 25ESE & GATE ME
