ECET MECHANICAL ENGINEERING QUIZ

Investment casting pattern is made of?

Correct! Wrong!

Heat addition in dual combustion cycle is done at?

Correct! Wrong!

Heat and Work are?

Correct! Wrong!

1st law of thermodynamics is?

Correct! Wrong!

Workdone in throttling is ?

Correct! Wrong!

Present method of doing work is indicated by?

Correct! Wrong!

If PV= constant then the process is

Correct! Wrong!

Diesel cycle efficiency is more when the cut off ratio is ?

Correct! Wrong!

A gas bottle is filled by the atmosphere gas at 101.3 kpa and 0.5 cu.m the work done by the system would be?

Correct! Wrong!

In throttling process?

Correct! Wrong!

The average piston speed of an IC engine is ?

Correct! Wrong!

75 cc engine with stroke to bore ratio of 1.0 has swept volume of ?

Correct! Wrong!

A rack is gear ?

Correct! Wrong!

Motion of one shaft can be transmitted to two or more then two shafts by ?

Correct! Wrong!

What percentage of variation of speed would be there when small sprocket teeth are 20?

Correct! Wrong!

A belt 15 mm thick drives a pulley of 585 mm dia with 150 rpm, the dia of driven pulley is 285 mm then speed of driven pulley is ?

Correct! Wrong!

If the power transmitted by rope drive is 30 kw and velocity of rope drive is m/s the pull on rope is ?

Correct! Wrong!

A spring length is 200 mm, its stiffness is 10 N/mm and its deflected load from 200 to 220 mm. The work done by spring in Joules ?

Correct! Wrong!

When force of 8 N is applied to load of 100 N with coefficient of friction 0.1 then the friction force is ?

Correct! Wrong!

Newton is the unit of ?

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Two forces of magnitude 30 and 40 N acting at right angles to each other them magnitude of resultant force is ?

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In a tug of war each team pulls the rope with force 500 N the tension in the rope is ?

Correct! Wrong!

Friction does not depends on ?

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Strain energy is given by?

Correct! Wrong!

If poissons ratio is 0.25 then ratio of G/E is ?

Correct! Wrong!

Babbit metal is alloy of ?

Correct! Wrong!

High carbon steel has carbon content ?

Correct! Wrong!

The type of furnace used for producing wrought iron is ?

Correct! Wrong!

Example of refractory material is ?

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Brass is an alloy of ?

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