A. 2n-3
B. n-l
C. ‘2n-l
D. n – 2
E. 3n-2.
where n = number of joints in a frame
Related Mcqs:
- The possible loading in various members of framed structures are_________________?
A. compression or tension
B. buckling or shear
C. shear or tension
D. all of the above
E. bending - If n = number of members andy = number of joints, then for a perfect frame, n =_________________?
A. j-2
B. 2j-l
C. 2/-3
D. 3/-2
E. 2/ -4 - If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?
A. P/2 cos 9/2
B. IP sin 9/2
C. 2P tan 9/2
D. IP cos 9/2
E. Psin 9/2 - The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?
A. forces
B. independence of forces
C. dependence of forces
D. balance of force
E. resolution of forces - Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one___________________?
A. ellipse
B. hyperbola
C. parabola
D. circle
E. none of the above - A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to___________________?
A. 25
B. 50
C. 100
D. 250
E. 500 - 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 ). - A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to________________?
A. W
B. W sin (a + $)
C. Wtan(a + <|))
D. W\an(a-)
E. Wtana - 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 - Two coplanar couples having equal and opposite 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
