A. Independent of
B. Inversely proportional to
C. Directly proportional to
D. None of these
Related Mcqs:
- In Newton’s law of viscosity, which states that the shear stress is proportional to the _____________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?
A. V2
B. 1/V2
C. 1/Vg
D. Vg - According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to _______________ times the yield stress ?
A. 0.5
B. 2
C. √2
D. √3/2 - The ratio of the shear stress to the principal stress on a principal plane is______________________?
A. 0
B. 1
C. 1/2
D. 1/3 - The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?
A. Fatigue strength
B. Creep strength
C. Resilience
D. Endurance limit - Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?
A. 9,100
B. 13,000
C. 7,000
D. 2,550 - Factor of safety in machine design is defined as the ratio of ultimate stress to _____________ stress ?
A. Working
B. Bearing
C. Yield
D. None of these - The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
A. Work hardening
B. Bauschinger effect
C. Creeping effect
D. Stress recovery effect - The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the _____________ point of the material?
A. Elastic
B. Ultimate
C. Yielding
D. Breaking - A form of stress corrosion failure termed as ‘season cracking’ is generally observed in __________________?
A. Thermosetting polymers
B. High carbon steels
C. Brasses
D. Borosilicate glasses - The normal stress is the same in all directions at a point in a fluid, only when the fluid__________________?
A. Is at rest & has zero viscosity
B. Is frictionless
C. Fluid layer has no motion relative to an adjacent layer of fluid
D. is incompressible & frictionless
