Minimum pull in a suspended cable with supports at two ends is equal to____________________?

Related Mcqs:

1. A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are____________________?

   A. 1346.3 kN and 1500 kN
   B. 1436.2 kN and 1250 kN
   C. 1346.3 kN and 1250 kN
   D. 1436.2 kN and 1500 kN

2. The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?

   A. supports
   B. quarter span
   C. mid span
   D. none of the above

3. The shape of a suspended cable for a uniformly distributed load over it is__________________?

   A. circular
   B. parabolic
   C. catenary
   D. cubic parabola

4. The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________?

   A. log r
   B. r
   C. r2
   D. 1/r

   where r is the distance of’the particle from centre of the earth

5. If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to_________________?

   A. A
   B. A/2
   C. A/V2
   D. AV2

6. A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?

   A. parabola
   B. catenary
   C. cycloid
   D. ellipse

7. Minimum potential energy of a system will be in the position of________________?

   A. stable equilibrium
   B. unstable equilibrium
   C. neutral equilibrium
   D. all of the above

8. The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?

   A. 0° and 90°
   B. 180° and 90°
   C. 90° and 180°
   D. 180° and 0°

9. Rate of change of angular momentum is equal to_______________?

   A. force
   B. torque
   C. linear momentum
   D. impulse

10. The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?

    A. 1:2
    B. 1:1
    C. 2:1
    D. 3:1