The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by
Where m = mass of belt per meter (kg/m)
v = belt velocity (m/s)
f = coefficient of friction
a = angle of wrap (radians)
The ultimate strength of steel in tension in comparison to shear is in the ratio of
In radial cams, the follower moves
The permissible stress for carbon steel under static loading is generally taken as
The property of a material which enables it to resist fracture due to high impact loads is known as
In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because
A hot short metal is
In case of pressure vessels having closed ends, the fluid pressure induces
Guest's theory of failure is applicable for following type of materials
A V-belt designated as B 4430 LP has
Rankine's theory of failure is applicable for following type of materials
Screws used for power transmission should have
The value of stress concentration factor depends upon
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test
Resilience of a material is important, when it is subjected to
The sleeve or muff coupling is designed as a
In a flange coupling, the flanges are coupled together by means of
If a load W is applied instantaneously on a bar; Then the stress induced in bar will
According to Indian standard specifications, 100 H6/g5 means that the
The power transmitted by the belt drive can be increased by
Surface endurance limit of gear material is dependent upon its
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
Brittle coating technique is used for
Stress concentration is caused due to
The endurance limit of a material with finished surface in comparison to rough surface is
