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VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

Two ships A and B, at a given instant, are 5 km away from each other. The ship A is South-East of the ship B. If the ship B is travelling at 10 km.p.h. due East and the ship A is travelling at 16 km.p.h. due North, determine (i) velocity of the ship A relative to the ship B ; (ii) shortest distance between the two ships ; and (iii) the time when the two ships are nearest to each other

Two ships A and B, at a given instant, are 5 km away from each other. The ship A is South-East of the ship B. If the ship B is travelling at 10 km.p.h. due East and the ...Read more

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

A steel ball of diameter 150mm rests centrally over concrete cube of size 150 mm. Determine the centre of gravity of the system. Take weight of concrete as 2500N/m2 and that of steel 800N/m3.

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

A plane is loaded & supported as shown in fig.30. Determine the nature and magnitude of the forces in the members 1,2 and 3.

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

4. A lifting machine having velocity ratio 28 starts raising load of 6420 N on applying an effort of 450N to it. If suddenly the effort is removed find whether the load comes down or not. 5. For the arrangement of pulley shown find the effort required to raise the given load 7280 N. Assume efficiency of the system as 75%.

4. A lifting machine having velocity ratio 28 starts raising load of 6420 N on applying an effort of 450N to it. If suddenly the effort is removed find whether the load comes down or not. 5. For ...Read more

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

Find the forces in the members of a truss as shown in figure.

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

An elevator cage of a mine shaft weighing 8 kN when empty is lifted or lowered by means of a rope. Once a man weighing 600 N entered it and lowered with uniform acceleration such that when a distance of 187.5 meter was covered, the velocity of the cage was 25 m/s. Determine the tension in the rope and the force exerted by the man on the floor of the cage.

An elevator cage of a mine shaft weighing 8 kN when empty is lifted or lowered by means of a rope. Once a man weighing 600 N entered it and lowered with uniform acceleration such that when a ...Read more

VishalProfessional

Asked: 2 months agoIn: Mechanical Engineering

An engine of mass 50 tonnes pulls a train of mass of 250 tonnes up a gradient of 1 in 125 with a uniform speed of 36 km.p.h. Find the power transmitted by the engine if the tractive resistance is 60 newtons per tonnes. Also find the power transmitted by the engine if the acceleration of the engine is 0.2 m/s up the gradient.

An engine of mass 50 tonnes pulls a train of mass of 250 tonnes up a gradient of 1 in 125 with a uniform speed of 36 km.p.h. Find the power transmitted by the engine if the tractive ...Read more