In case of skip hoists, the band-type brake is generally used for
A.small hoists for light duty
B.small hoists for heavy duty
C.large hoists for light duty
D.large hoists for heavy duty
Category: Mechanical Engineering Mcqs
For better fuuidity of the molten metal, the following is added in blast furnace
A.Line
B.Sulphur
C.Carbon
D.Oil
E.Manganese
Metres A and B require 50 mA and mA respectively to give full scale deflection. It can be concluded that
A.A is more sensitive as compared to B
B.B is more sensitive as compared to B
C.A has wider range than B
D.B has better damping as compared to A
E.None of the above
Draft or taper allowance in patterns is provided on
A.All sides of patterns
B.All round surfaces of pattern
C.All corners of the pattern
D.All horizontal surfaces of the pattern
E.All vertical surfaces of the pattern
A self-socking screw is one which
A.Has locking arrangement
B.Has a hole drilled through for inserting locking pin
C.Has coefficient of friction equal to or greater than the tangent of the load angle
D.Has fine pitch screw threads
E.None of the above
Polystyrene is generally available in the form of
A.plates
B.cylindrical bars
C.square sections
D.trapezoidal moulds
On drying the shrinkage of wood is least
A.along the grains
B.across the grains
C.along the direction of tangent to the annular rings
The notch angle of Izod impact test specimen is
A.10?
B.20?
C.22
D.30?
E.45?
A hard water may contain
A.Calcium carbonate
B.Magnesium sulphate
C.Magnesium bicarbonate
D.Any of the above
E.None of the above
Crowning is done on
A.Gears
B.Shafts
C.Pulleys
D.Keys
E.Bearings
