The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?

Byadmin January 25, 2019August 16, 2021

The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?

A. equal to the moment of the couple
B. constant
C. both of above are correct
D. both of above are wrong
E. none of the above

Strength of Materials

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be _________________?

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be _________________?

A. 1:2
B. 1 : 3
C. 1 : 4
D. 1 : 2.5
E. 1 : 2.25

Read More The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be _________________?
Strength of Materials

Coulomb friction is the friction between_________________?

Coulomb friction is the friction between_________________?

A. bodies having relative motion
B. two dry surfaces
C. two lubricated surfaces
D. solids and liquids
E. electrically charged particles

Read More Coulomb friction is the friction between_________________?
Strength of Materials

Two non-collinear parallel equal forces acting in opposite direction________________?

Two non-collinear parallel equal forces acting in opposite direction________________?

A. balance each other
B. constitute a moment
C. constitute a couple
D. constitute a moment of couple
E. constitute a resultant couple

Read More Two non-collinear parallel equal forces acting in opposite direction________________?
Strength of Materials

Which of the following is not a scalar quantity__________________?

Which of the following is not a scalar quantity__________________?

A. time
B. mass
C. volume
D. density
E. acceleration

Read More Which of the following is not a scalar quantity__________________?
MCQs / Q&A | Strength of Materials

In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

A. W between P and F
B. F between W and P
C. P between W and F
D. W, P and F all on one side
E. none of the above

Read More In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?
Strength of Materials

A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?

A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?

A. uniform throughout
B. increase uniformly
C. first increase and then decrease
D. increase uniformly first and then increase rapidly
E. increase rapidly first and then uniformly

Read More A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?

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