Percentage of iron in pig iron approximately
A.99.90%
B.95%
C.90%
D.80%
E.78%
Category: Mechanical Engineering Mcqs
During the tensile test on a glass rod, the nature of stress section curve is
A.Straight line
B.Vertical line
C.Horizontal line
D.Sudden break
E.Same as that for mild steel
The averge cutting speed for machining mild steel by high speed steel tool is
A.10 m/min
B.20 m/min
C.30 m/min
D.40 m/min
E.50 m/min
Increasing the temperature of intake air in an I.C. engine will
A.increase the efficiency
B.decrease the efficiency
C.increase or decrease the efficiency
D.None of the above
The law of demand indicates the relationship between
A.The price of a commodity and the quantity demanded
B.The income of consumer and the quantity demanded
C.The relationship betweent he price of one commodity and the price of a substitute
D.The price of two commodities
E.All of the above
Magnetism is non-linearly related to the applied field in case of
A.Diamagnetic field
B.Paramagnetic field
C.Ferromagnetic field
D.All of the above
E.None of the above
The sand used for filling the bulk of the moulding flask
A.Facing sand
B.Floor sand
C.Dry-sand
Which of the following device is used for dragging the material?
A.Skip hoists
B.Bucket elevators
C.Winches
D.Escalators
Which of the following gears are not used to transmit motion from one shaft to another shaft at an angle to the first?
A.Bevel gears
B.Helical gears
C.Spur gears
D.Herringbone gears
E.Worm gears
The dimensions of ‘a’ will be
A.ML2T
B.ML3T-2
C.ML5T-2
D.ML6T-2
