SSC JE Mechanical Engineering 25th May 2014 Shift-2

Instructions

For the following questions answer them individually

Question 181

Figure shows a four bar chain and the number indicates the respective link lengths in cm. The type of the mechanism is known as

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Question 182

A slider sliding at 10 cm/s on a link which is rotating at 60 rpm, is subjected to Coriolis acceleration of magnitude, in cm$$^2$$/s,

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Question 183

The twining moment (T) delivered by a flywheel with respect to its angular displacement is given by the following expression:
$$T = 14000 + 7000 \sin \theta$$
The values of $$\theta$$ for which delivered torque is equal to mean torque for a single cycle are

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Question 184

The shearing strength ofa rivet is 50 N/mm$$^2$$. If the diameterofthe rivet is doubled, thenits shearing strength will be

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Question 185

A differential gear in an automobileis a

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Question 186

Creep in belt drive is due to

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Question 187

The crank shaft turning in a journal bearing forms a

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Question 188

Name the mechanism in which the Coriolis component of acceleration is to be considered.

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Question 189

Bevel gears are used to transmit rotary motion between two shafts whose axes are

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Question 190

The coefficient of discharge ($$c_d$$) of an orifice varies with

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