SSC JE Mechanical Engineering 4th March 2017 Shift-1

Instructions

For the following questions answer them individually

SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 91


The interface or undercutting in involute gears can be avoided by:-

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 92


In reciprocating engines, primary forces _______.

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 93


The forces which meet at one point and have their lines of action in different planes are called _____.

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 94


Swaying couple results due to:-

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 95


In order to balance the reciprocating masses:-

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 96


If a body is transmitting torque T N-m at N rpm, then horsepower (Watts) transmitted will be:-

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 97


A barge is pulled by two tugboats as shown in the figure below. The resultant of forces exerted by the tugboats is 1000 kg force. What will be the value of $$\theta$$ so that tension in rope 2 is minimum?

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 98


An elevator weighing 1000 kg attains an upward velocity of 4 m/sec in two seconds with uniform acceleration. The tension in the supporting cables will be:-

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 99


A 13 m ladder is placed against a smooth vertical wall with its lower end 5 m from the wall. What should be the coefficient of friction between the ladder and floor so that it remains in equilibrium?

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SSC JE Mechanical Engineering 4th March 2017 Shift-1 - Question 100


A particle while sliding down a smooth plane of $$19.86 \surd2$$ m length acquires a velocity of 19.86 m/sec. The inclination of plane is:-

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