While designing a shaft, hub and a key, care is taken so that
A.Shaft is the stronger component
B.Hub is the strongest component
C.Key is the strongest component
D.Key is the weakest component
E.Shaft is the weakest component
Category: Machine Design Mcqs
A fine series screws of major diameter 8 mm and pitch 1 mm is generally designated as
A.8 M
B.8 x M 1
C.8 x 1 M
D.8 M 1
E.M 8 x 1
A chain drive is used for
A.Very short distance
B.Short distance
C.Medium distance
D.Long distance
E.Distance is no criteria for such drives
Bush bearings are
A.Phosphor bronze
B.Aluminium brass
C.Mild steel
D.White metal alloys
E.None of the above
If M 20 coarse pitch is 2.5 mm the mm the fine pitch for the size would be
A.10 mm
B.5 mm
C.2.5 mm
D.1.5 mm
E.None of the above
Key normally used in wrist watch is
A.Kenned key
B.Sunk key
C.Tangent key
D.Woodruff key
E.None of the above
A stud has
A.Cylindrical head
B.Counter shunk head
C.Slotted head
D.Allen head
E.Both ends threaded
The holes in plates for reveting are usually made by
A.Arc cutting
B.Oxyacetylene flame
C.Punching
D.Drilling
E.Any of the above
A screw jack spindle is provided with
A.Vee threads
B.BSW threads
C.Buttress threads
D.Square threads
E.None of the above
While designing a shaft pulley and key for a system
A.Shaft is the weakest member
B.Pulley is the weakest member
C.Key is the weakest member
D.All are designed for equal strength
E.None of the above
