Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Mechanical Engineering
»
Engineering Mechanics
An ideal machine is one whose efficiency is
between 60 and 70 %
between 70 and 80%
between 80 and 90%
100%
Correct Answer:
100%
← Previous Question
Next Question→
More Questions from
Engineering Mechanics
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
According to lami's theorem
The moment of the force P about O as shown in the below figure is
The coefficient of restitution for inelastic bodies is
The impact between two lead spheres is approximately equal to an __________ impact.
In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
The matter contained in a body, is called
The frequency of oscillation of a compound pendulum is(where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)
The amplitude is always __________ radius of the circle.
The moment of a force
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments