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ESE Prelims 2022 Achievers Quiz 8

Attempt now to get your rank among 244 students!

Question 1

The instantaneous center of rotation of a rigid thin disc rolling on a plane rigid surface is located at

Question 2

Which of the following is true about Lozenge joint?

Question 3

The natural vibration equation is

+ 3x = 0. Find w_n

Question 4

What is the relationship between elastic constants E, G and K?

Question 5

A Carnot engine operates between 27^oC and 327^oC. If the engine produces 300 kJ of work, what is the entropy change during heat addition?

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

Laminar developed flow at an average velocity of 5 m/s occurs in a pipe of 10 cm radius. The velocity at 5 cm radius is

Question 8

Coefficient of friction in rolling operation is given as µ. What is its relation with the draft?

Question 9

Which mechanism produces intermittent rotary motion from continuous rotary motion?

Question 10

An ideal gas at 27⁰C is heated at constant pressure till the volume becomes three times. The temperature of the gas will then be___.

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