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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