Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that
The load cup of a screw jack is made separate from the head of the spindle to
The centre distance between two meshing involute gears is equal to
Which of the following statement is wrong ?
In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
The rolling contact bearings are known as
The backlash for spur gears depends upon
The size of a gear is usually specified by
The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be
The bearings of heavy series have capacity __________ over the medium series.
A steel containing more than 0.8% carbon is known as eutectoid steel.
In leaf springs, the longest leaf is known as
The taper on cotter varies from
Which of the following screw thread is used for power transmission in one direction only.
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.
The rolling contact bearings as compared to sliding contact bearings have
When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as
When a nut is tightened by placing a washer below it, the bolt will be subjected to
The maximum normal stress theory is used for
A locking device extensively used in marine type connecting rod ends is a
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called
When a load W is suddenly applied to a bar of weight W1, the stress induced in the bar will increase with the increase in weight W1.
The endurance limit for a mirror polished material will be __________ as compared to unpolished material.
A sliding bearing which operates without any lubricant present, is called
The material used for brake lining should have __________ coefficient of friction.