A. mechanical advantage is greater than velocity ratio
B. mechanical advantage is equal to velocity ratio
C. mechanical advantage is less than velocity ratio
D. mechanical advantage is unity
E. none of the above
Related Mcqs:
- True stress-strain curve for materials is plotted between__________________?
A. load/original cross-sectional area and change in length/original length
B. load/instantaneous cross-sectional area original area and log
C. load/instantaneous cross-sectional area and change in length/original length
D. load/instantaneous area and instantaneous area/original area
E. none of the above - Rupture stress is________________?
A. breaking stress
B. maximum load/original cross-sectional area
C. load at breaking point/A
D. load at breaking point/neck area
E. maximum stress - The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?
A. strain energy
B. resilience
C. proof resilience
D. modulus of resilience
E. toughness - In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be____________________?
A. increase key length
B. increase key depth
C. increase key width
D. double all the dimensions
E. none of the above - Which of the following is the example of lever of first order__________________?
A. arm of man
B. pair of scissors
C. pair of clinical tongs
D. all of the above
E. none of the above - The necessary condition for forces to be in equilibrium is that these should be_____________________?
A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else - Rivets are made of following type of material_________________?
A. tough
B. hard
C. resilient
D. ductile
E. malleable - The elasticity of various materials is controlled by its___________________?
A. ultimate tensile stress
B. proof stress
C. stress at yield point
D. stress at elastic limit
E. tensile stress - The property of a material which allows it to be drawn into a smaller section is called________________?
A. plasticity
B. ductility
C. elasticity
D. malleability
E. drawabihty - The ultimate tensile stress of mild steel compared to ultimate compressive stress is__________________?
A. same
B. more
C. less
D. more or less depending on other factors
E. unpredictable
