This practice GATE test includes only engineering mechanics questions, which are asked in GATE question papers for mechanical. One should solve lot of GATE practice tests, previous year question papers to crack GATE 2012 exam.

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A machine weighing 1500N is supported by two chains attached to some point on the machine. One of these ropes goes to the eye bolts in the wall and is inclined at 30o to the horizontal and other goes to the hook in ceiling and is inclined at 45o to the horizontal. find the tension in the two chains.

1202.2N,1394.6N

1098.96N,1346.11N

1413.6N,1526.5N

Which of the following is an example of lever ?

A pair of scissors

crow bar

fire tongs

all of the above

On which of the following parameters, the time period of earth’s satellite does not depend ?

Height of satellite above the surface of earth

Universal gravitational constant

Mass of the satellite

Gravitational acceleration

Which of the following forms the basis of rigid bodies and strength of materials ?

any of these

centre of gravity

moment of inertia

centroid

In a reciprocating pump mechanism the velocity of piston is maximum when…

obliquity is maximum

obliquity is average

obliquity is zero

The train value of a gear train is ….

reciprocal of velocity ratio of gear train

equal to velocity ratio of agear train

always less than unity

always greater than unity

The value of co-efficient of restitution, for perfectly elastic bodies, is….

zero

1

0.5

0.75

What is the velocity ratio of third system of pulleys ?

what is the escape velocity on the surface of the earth ?

11.2 km/s

2.2 km/s

4.6 km/s

22.4 km/s

......... belts have the best pulling capacity.

Leather

Rubber

Textile

Balata

Moment of a force is a …...... quantity.

scalar

none of these

either scalar or vector

vector

Linear law of machines is given by the relation …

P=mW – C

P=mW + C

P=m^2W + C

P=mW^2 + C

The moment of inertia of ellipse about its major axis is ….

A man and a boy carry a weight of 300N between them by means of uniform pole 2 m long and weighing 100 N. where must the weight be placed so that the man may bear twice as much of the weight as that of the boy ?

0.356 m(from the man)

0.456 m

0.556 m

Regarding ‘kinetic friction’, which of the following statements are correct ?

It is maximum force of friction when the body is about to move

It is the force of friction when the body is in motion.

It is the force of friction b/w two lubricated bodies.

none of the above

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