Mechanical Aptitude 1

Mechanical Aptitude 1 - Gears

1.    A force that turns an axle or a screw nut in a given direction is called?

(1) Torque    (2) Rotational force

(3) power    (4) Answer (1) and (2) are correct

2.    If you move a big load using some device (lever, pulley or gear etc) by applying little force you have achieved a.........?

Mechanical disadvantage    big task

None of these    Mechanical advantage

3.    When two gears of unequal number of teeth are combined a ………. is produced?

Change in direction of torque    Complex machine

Change in moment    Mechanical advantage

4.    Geared devices can change the …….. of a power source?

Speed    Torque

Direction    All of these

5.    Two or more gears meshed and working in tandem are called a …………?

Transmission    Complex Machine

Pulley    Lever

6.    A gear is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit ……..?

Energy    Torque

Power    Force

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