Category: Machine Design Mcqs

A.Elastic strength
B.Coefficient of friction
C.Surface lubrication
D.Surface hardness
E.Toughness

A.Shear pins should be applied on the cotter
B.Cotter should be made thick
C.Cotter should be made of stronger material
D.The taper on cotter should not exceed 1 in 24
E.The taper on cotter should be more than 1 in 24

A.A eutectic of iron and iron phosphide
B.A gadget for measuring volume
C.Antimony bearing lead or tin alloy
D.A measure of magnetic induction produced in a material
E.None of these

A.Proper tightening
B.Use of a spring washer
C.Making shank diameter equal to the core diameter
D.Preventingstress concentration any where in the bolt
E.None of the above

A.Variable pitch chain drive system
B.Hydraulic variable speed drive
C.Rolling contact variable speed
D.Vee belt variable speed system
E.None of the above

A.20-30 HP
B.30-40 HP
C.40-50 HP
D.50-60 HP
E.60-70 HP

A.Small screws
B.Headless screws
C.Used to prevent relative motion between parts
D.Self hreading
E.Used on sheet metals only

A.Compression
B.Crushing
C.Tension
D.Shear
E.Double shear

A.Motor should eb replaced
B.Supply voltage should be cut off in one phase
C.Power factor should be changed
D.All the three phases should be interchanged
E.Any two phases should be interchanged

A.29?
B.47
C.50?
D.55?
E.60?