A coarse scres of major diameter 6 mm is designated as
A.1 x 6 M
B.Coarse M 6
C.M 6
D.6 M x 6 x 1
E.6 M x 1
Category: Machine Design Mcqs
The edge of the plates for boilers and tanks are usually bevelled at an angle of 80?
A.To reduce stress concentration
B.For safety
C.To facilitate joining
D.For fullering and caulking
E.None of the above
The buckling load depends on
A.Modulus of elasticity
B.Slendemess ratio
C.Cross-sectional area
D.All of the above
E.None of the above
The cam follower generally used in automobiles is
A.Roller type
B.Knife edge type
C.Flat type
D.Spherical type
E.Mushroom type
Coriolis component of acceleration is encountered in
A.Four bar mechanism
B.Mechanism of steam engine
C.Lower pair
D.Higher pair
E.Whit worth-quick-return motion
In case of sunk key
A.The key way is cut in shaft only
B.The key way is cut in bub only
C.The key way is cut in both shaft and hub
D.The key way is helical along the shaft
E.The key is in two parts
A V-belt designated as C 120 will have
A.120 mm as the dia of small pulley
B.120 cm as the length of belt
C.120 inch as the length of belt
D.120 cm as the centre distance between pulleys
E.None of the above
By using large thread angles in lifting machine
A.The mechanical advantage will be high
B.The load will be sustained in absence of the other
C.The load will be easily lifted
D.The mechanical advantage will be low
E.While unloading, little effort will be required
