If n = number of members andy = number of joints, then for a perfect frame, n =_______________?

Related Mcqs:

Effect of a force on a body depends upon________________?

A. magnitude B. direction C. position or line of action D. all of the above E. none of the above...

The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to__________________?

A. the algebraic sum of the resolved parts of the forces in the given direction B. the sum of the resolved parts of the forces in the given direction C. the difference of the forces multiplied by the cosine of 9 D. the sum of the forces multiplied by the sine of 9 E. the … The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to__________________?Read More...

Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________________?

A. along the plane B. horizontally C. vertically D. at an angle equal to the angle of friction to the inclined plane E. unpredictable...

The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to_________________?

A. Wtan(a + ) B. Wtan(a-) C. Wcos(a + ) D. Wsin(a + ) E. W (sin a + cos )...

Which of the following is not the unit of pressure ?

A. kg/cm B. ata C. atmosphere D. mm of wcl E. newton...