The locus of a point on a thread unwound from a cylinder will be
A.A straight line
B.A circle
C.An involute
D.A spiral
E.A cycloid
Category: Applied Mechanics Mcqs
In case of cantilever, irrespective of the type of loading the maximum bendry moment and maximum shear force occur at
A.Fixed end
B.Free end
C.Centre of the beam
D.2/3 of the length, from the free end
For a self locking lifting machine, the efficiency must be
A.100 percent
B.more than 50 percent
C.50 percent
D.less than 50 percent
The gravitational field intensity is maximum at the
A.equator
B.pole
C.centre of the earth
D.at a height above the surface
A screw jack has 4 threads per inch. The mean radius of the thread is 2.338 inches. The mean diameter of the bearing surface under the cap is 3.25 inches. What is the turning moment required to raise the bload of 150 kg (
A.30.3 kg-inch
B.5.61 kg-inch
C.23.6 kg-inch
D.50.6 kg-inch
Newton, dyne and poundal are known as
A.gravitational units
B.absolute units
C.fundamental units
D.absolute units
If four turms of rope around a horizontal post will hold a 100 kg weight with a pull of 1 kg, then
A.0.3
B.0.25
C.0.18
D.0.11
