In above problem the cone pitch angle of the pinion will be
A.tan-1 0.5
B.tan-1 2.0
C.sin-1 0.5
D.sin-1 2.0
E.cos-1 0.5
Category: Mechanical Engineering Mcqs
For soldering of brass and copper, the flux used is
A.Zinc chloride
B.Hydrochloric acid
C.Cupric acid
D.Ammonium chloride
E.None of the above
A bear marker is known as
A.A market dealing in liquor
B.A soft drinks market
C.A market of high demand
D.A stock market when prices are going up
E.A stock market when prices ae going down
Every material obeys the Hooke’s law within
A.Elastic limit
B.Plastic limit
C.Breaking limit
D.Yield limit
E.Limit of proportionality
Bar charts are considered to be suitable for
A.minor works
B.major works
C.dam construction
D.large projects
If a medium carbon hardened steel shows pearlite structure it may be concluded that
A.Steel contains impurities
B.Steel has been slowly cooled in furnace
C.Steel has been quenched in oil
D.Steel has been quenched in water
Presence of air in a pressure tunnel may result in
A.Increased discharge
B.Increased head loss
C.Water hammer
D.Bulking of flow
E.Any or all of the above
Which of the following place is not associated with hydro-electric power plants?
A.Koyana
B.Nagarjunsagar
C.Singrauli
D.Farakka
E.Bhakra
The process of producing parts by electrolytic deposition of metal upon a conductive removable mould or matrix is known as
A.Deposition
B.Plating
C.Electrolysis
D.Electro-moulding
E.Electro forming
The disadvantage of burried penstocks is
A.Protection against effect of temperature because of soil cover
B.Protection against freezing of conveyed water
C.Protection against earthquake shock
D.Immunity against rock sides, avalanches and falling tree
E.Difficulty in repair and maintenance
