Agree
Disagree
✅ The correct answer is option A.
Mechanical Engineering MCQs
There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is
Jan-24
1-Aug
Apr-15
12
✅ The correct answer is option A.
In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.
die casting method
slush casting method
permanent mould casting method
centrifugal casting me
✅ The correct answer is option D.
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
equal to
twice
three times
four times
✅ The correct answer is option D.
The Poisson’s ratio for steel varies from
0.23 to 0.27
0.27 to 0.30
0.31 to 0.34
0.32 to 0.42
✅ The correct answer is option B.
Tool life is measured by the
number of pieces machined between tool sharpenings
time the tool is in contact with the job
volume of material removed between tool sharpenings
all of the above
✅ The correct answer is option D.
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free.
l/8
l/4
l/2
l
✅ The correct answer is option B.
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged.
l/8
l/4
l/2
l
✅ The correct answer is option C.
In a leaf spring, the deflection at the centre is
✅ The correct answer is option C.
The slag from the blast furnace
is used as a ballast for rail road
is mixed with tar for road making
consists of calcium, aluminium and ferrous silicates
all of the above
✅ The correct answer is option D.