Related Questions

A circular wheel 28 inches in diameter rotates the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minutes does the larger wheel make in terms of x?
A 12x
B 24x
C 36x
D 48x
A wheel that has 6 cogs is meshed with a wheel of 14 cogs. When the smaller wheel has made 21 revolutions the number of revelution made by the larger wheel is --
A 4
B 9
C 12
D 49
A circular wheel 28 inches in diameter rotates (moves) the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minute does the larger wheel make in terms of x?
A 12x
B 48x
C 24x
D 36x
A wheel that had 6 cogs in meshed with a larger wheel if 14 cogs. When the smaller wheell had made 21 revolutions, the number wheel will be-
A 5
B 8
C 10
D 9
The fundamental equation for correct steering is (where $$\varphi $$ and $$\alpha $$ = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles and d = Wheel base)
A $$\sin \varphi + \sin \alpha = \frac{{\text{b}}}{{\text{c}}}$$
B $$\cos \varphi - \sin \alpha = \frac{{\text{c}}}{{\text{b}}}$$
C $$\cot \varphi - \cot \alpha = \frac{{\text{c}}}{{\text{b}}}$$
D $$\tan \varphi + \cot \alpha = \frac{{\text{b}}}{{\text{c}}}$$
The designation rms means repetitions measured per second.
A True
B False
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when
A The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D None of the above
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is
A D + d
B D - d
C D × d
D $$\frac{{\text{D}}}{{\text{d}}}$$
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed
A 10 mm
B 15 mm
C 20 mm
D 25 mm
Flexible pavement distribute the wheel load
A directly to subgrade
B through structural action
C through a set of layers to the subgrade
D none of the above

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