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_______________?

Related Mcqs:

1. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________?

   A. 38 m
   B. 62.5 m
   C. 96 m
   D. 124 m
   E. 240 m

2. The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to___________________?

   A. Young’s modulus
   B. bulk modulus
   C. modulus of rigidity
   D. modulus of elasticity
   E. Poisson’s ratio

3. The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?

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

4. 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

5. The C.G. of a right circular solid cone of height h lies at the following distance from the base________________?

   A. h/2
   B. J/3
   C. h/6
   D. h/4
   E. 3/i/5

6. The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?

   A. pitch
   B. back pitch
   C. diagonal pitch
   D. diametral pitch
   E. lap

7. In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?

   A. creeping
   B. yielding
   C. breaking
   D. plasticity
   E. none of the above

8. 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 ).

9. 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

10. It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called______________________?

    A. internal resistanpe
    B. tensile stress
    C. transverse stress
    D. compressive stress
    E. working stress