Q. The included angle for the British standard whitworth thread is

View solution

Q. Failure of a material is called fatigue when it fails

View solution

Q. The centre to centre distance between two consecutive rivets in a row, is called

View solution

Q. The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt, as

View solution

Q. A bushed pin flexible coupling is used to connect two shafts whose axes intersect at a small angle.

View solution

Q. Which of the following property is essential for spring materials?

View solution

Q. A steel containing upto 0.15% carbon is known as

View solution

Q. If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will

View solution

Q. When the fulcrum is in between the load and effort, the lever is said to be of

View solution

Q. The ball bearings are, usually, made from

View solution

Q. The V-belt is used to transmit great amount of power and when the two pulleys are very near to each other.

View solution

Q. A coupling used to connect two perfectly aligned shafts, is

View solution

Q. According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be

View solution

Q. The buckling load will be maximum for a column, if

View solution

Q. The cap screws are

View solution

Q. In skew bevel gearing, the axes of shafts are

View solution

Q. A chain drive transmits __________ power as compared to belt drive.

View solution

Q. The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

View solution

Q. A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zig-zag riveting is proposed. Which of the following statement is correct?

View solution

Q. The form factor of a helical gear __________ with the increase in the helix angle.

View solution