A.2n
B.n
C.2n-1
D.2n – 2
Related Mcqs:
- In the second system of pulleys, if there are two pulley blocks having ‘n1’ and ‘n2’ pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to
- If there are 3 pulleys in the first system, then the velocity ratio of this system will be
- The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called
- The ratio of actual velocity to the local velocity of sound is called
- In centrifugal compressors, the ratio of outlet whirl velocity to blade velocity at outlet is known as
- A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions
- In case of involute the angular velocity ratio is
- A block of weight 20 kg slides with an initial velocity of 2 m sec down an inclined plane on to a spring of stiffness 10 kg/cm. If the co–efficient of friction is 0.2, angle ? = 30 the ratio of maximum compession of spring, neglecting friction to that while considering friction would be
- The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as
- In a single threaded worm and worm wheel the number of teeth on the worm wheel is 60. The diameter of the effort wheel is 12 cm and that of load drum is 8 cm. The velocity ratio will be
