halved
doubled
quadrupled
✅ The correct answer is option C.
Engineering Mechanics MCQs
In a wormed geared pulley block, if the number of teeth on the worm wheel is doubled, then its velocity ratio is also doubled.
TRUE
FALSE
✅ The correct answer is option A.
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.
change
does not change
✅ The correct answer is option B.
The potential energy stored by a spring in compression, is called strain energy.
Yes
No
✅ The correct answer is option A.
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplaner concurrent forces.
lie
do not lie
✅ The correct answer is option B.
An irregular body may have more than one centre of gravity.
Yes
No
✅ The correct answer is option B.
In a framed structure, as shown in the below figure, the force in the member CD is tensile in nature.
Agree
Disagree
✅ The correct answer is option A.
Two equal and opposite parallel forces whose lines of action are different form a couple.
Correct
Incorrect
✅ The correct answer is option A.