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Machine Design

Machine Design
In the levers of __________ type, the mechanical advantage is less than one.

Third
Second
None of these
First

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Machine Design
The stress induced in the belt is,

Compressive stress
Torsional shear stress
Direct shear stress
Tensile stress

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Machine Design
A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)

Between 20d and 30d
Less than 20d
Equal to inside diameter of pipe
Greater than 30d

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Machine Design
The pipe joint mostly used for pipes carrying water at low pressures is

Socket joint
Nipple joint
Spigot and socket joint
Union joint

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Machine Design
The load cup of a screw jack is made separate from the head of the spindle to

Enhance the load carrying capacity of the jack
Reduce the value of frictional torque
Reduce the effort needed for lifting the working load
Prevent the rotation of load being lifted

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Machine Design
In levers, leverage is the ratio of

Load lifted to the effort applied
Mechanical advantage to the velocity ratio
Effort arm to the load arm
Load arm to the effort arm

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