When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called
In case of pressure vessels having closed ends, the fluid pressure induces
The yield point in static loading is __________ as compared to fatigue loading.
A machine part subjected to __________ is called a strut.
When two helical springs of equal lengths are arranged to form a cluster spring, then
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be
The stress in the threaded part of the bolt will be __________ as compared to the shank.
A shaft is a rotating machine element.
The dedendum circle diameter is equal to (where φ = Pressure angle)
Two closely coiled helical springs with stiffnesses k1 and k2 respectively are connected in series. The stiffness of an equivalent spring is given by
Which one of the following is a positive drive?
The period during which the cam follower remains at rest, when cam moves, is known as
The flank of the tooth is the
The included angle for the British Association thread is
The contact ratio is the ratio of
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that
The bearing characteristic number is given by (where p = Bearing pressure on the projected bearing area, Z = Absolute viscosity of the lubricant, and N = Speed of the journal)
In a marine flange coupling, the thickness of flange is taken as
The wire ropes make contact at
A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm2. If the permissible tensile stress in the metal is 20 N/mm2, then the thickness of the metal required for making the pipe will be
A tangent key is provided in pairs at right angles and each key is to withstand torsion in one direction only.
When the speed of belt increases,
According to law of gearing, the common normal at the point of contact between a pair of teeth must always pass through the pitch point.
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the