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NLC Technical Quiz 15

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Question 1

Which one of the following mechanism represents an inversion of the single slider crank chain?

Question 2

Calculate the tangential force for a spur gear setup transmitting

power at a pitch-line velocity of

Question 3

In the simply supported beam of length ‘L’ with uniformly distributed load w (N/m) The maximum bending moment is ____?

Question 4

A carnot engine operates between

and

. If the engine produces 250 kJ of work, the heat added is______.

Question 5

A plane wall is 25 cm thick with an area of 1 m², and has a thermal conductivity of 0.5 W/mK.If a temperature difference of 60⁰ C is imposed across it, what is the heat flow?

Question 6

Ideal fluid is a hypothetical fluid which has ____.

Question 7

Which of the following type of stresses is induced in the wire drawing operation?

Question 8

Match List-I (Alloying Element) with List-II (Effect on Steel) and select the correct answer using the codes give below the lists:
List-I
[A]. Vanadium
[B]. Molybdenum
[C]. Silicon
[D]. Chromium
List-II
[1]. Increases endurance strength
[2]. Improves creep properties
[3]. Increases hardness
[4]. Increases resistance to high temperature oxidation

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Jun 20ESE & GATE ME