Q. Which of the following statement is wrong ?

View solution

Q. The draw of cotter should not be more than

View solution

Q. The bolts of smaller diameter than M16 are not permitted in making fluid tight joints.

View solution

Q. In a marine flange coupling, the pitch circle diameter of bolts is taken as

View solution

Q. The steel widely used for motor car crankshafts is

View solution

Q. When compared to the rod of the same diameter and material, a wire rope

View solution

Q. According to Indian standards, total number of fundamental deviations are

View solution

Q. In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of

View solution

Q. Creep in belt is due to

View solution

Q. The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be

View solution

Q. A bolt of M 24 x 2 means that

View solution

Q. In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft)

View solution

Q. In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

View solution

Q. In case of thick cylinders, the tangential stress across the thickness of cylinder is

View solution

Q. The cam follower generally used in automobile engines is

View solution

Q. A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ . The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be

View solution

Q. The malleable material should be plastic but is not essential to be so strong.

View solution

Q. The temperature at which the new grains are formed in the metal is known as

View solution

Q. Deep groove ball bearings are used for

View solution

Q. The shear modulus of resilience is proportional to

View solution