Two coplanar couples having equal and op-posite moments_________________?

Byadmin January 15, 2019August 12, 2021

Two coplanar couples having equal and op-posite moments_________________?

A. balance each other
B. produce a couple and an unbalanced force
C. are equivalent
D. produce a moment of couple
E. can not balance each other

Strength of Materials

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?

A. 0°
B. 30°
C. 45°
D. 60°
E. 90°

Read More A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?
Strength of Materials

If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella_________________?

If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella_________________?

A. more inclined when moving
B. less inclined when moving
C. more inclined when standing
D. less inclined when standing
E. none of the above

Read More If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella_________________?
Strength of Materials

The stress developed in a material at breaking point in extension is called_________________?

The stress developed in a material at breaking point in extension is called_________________?

A. breaking stress
B. fracture stress
C. yield point stress
D. ultimate tensile stress
E. proof stress

Read More The stress developed in a material at breaking point in extension is called_________________?
Strength of Materials

The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?

The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?

A. of same magnitude as that of bar and applied at the lower end
B. half the weight of bar applied at lower end
C. half of the square of weight of bar applied at lower end
D. one-fourth of weight of bar applied at lower end
E. none of the above

Read More The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?
Strength of Materials

The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is_________________?

The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is_________________?

A. same
B. double
C. half
D. four times
E. one fourth

Read More The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is_________________?
Strength of Materials

Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?

Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?

A. tension
B. compression
C. bearing
D. any one of the above
E. none of the above

Read More Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?

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