bending moment
twisting moment
torsional rigidity
flexural rigidity
✅ The correct answer is option B.
Mechanical Engineering MCQs
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio
increases
decreases
remains unchanged
✅ The correct answer is option C.
A bushed pin flexible coupling is used to connect two shafts whose axes intersect at a small angle.
Yes
No
✅ The correct answer is option B.
If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.
Correct
Incorrect
✅ The correct answer is option A.
The adhesiveness is the property of a sand due to which
it evolves a great amount of steam and other gases
the sand grains stick together
it cling to the sides of a moulding box
none of these
✅ The correct answer is option C.
A flow is called sonic, if the Mach number is unity.
Agree
Disagree
✅ The correct answer is option A.
The temperature of air recorded by a thermometer, when the moisture present in it begins to condense, is called wet bulb temperature.
Yes
No
✅ The correct answer is option B.
An atom bomb utilises uncontrolled nuclear fission.
TRUE
FALSE
✅ The correct answer is option A.
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)
0.5 a2gH
0.707 a2gH
0.855 a2gH
a2gH
✅ The correct answer is option A.
Which of the following parameters govern the value of shear angle in continuous chip formation?
True feed
Chip thickness
Rake angle of the cutting tool
all of these
✅ The correct answer is option D.