Related Questions

Principal alloying element in Elinvar (used for making hair springs for watches) is
A Copper
B Aluminium
C Nickel
D Zinc
In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
A 35
B 40
C 45
D 50
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
A 35
B 40
C 45
D 50
XYZ company sold 800 units of watches for TK.800 each and 1,000 units of watches for TK. 500 each. If the company's cost of producing each unit of watch was TK. 600, what was the company's profit or loss ?
A TK. 1,600 loss
B TK. 600 loss
C No profit or loss
D TK. 600 profit
If a spring is cut down into two springs, the stiffness of cut springs will be
A Half
B Same
C Double
D None of the above
The girl with long hair is my cousin. The "with long hair" phrase functions as ---
A a noun
B an adverb
C an adjective
D a preposition
........of the five girls has short black hair...... of them have long brown hair.
A Neither, both
B All, neither
C Both, none
D None, all
The alloying element which reduces the formation of iron sulphide in steel is
A Chromium
B Nickel
C Vanadium
D Manganese
The alloying element which can replace tungsten in high speed steels is
A Nickel
B Vanadium
C Cobalt
D Molybdenum
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
A Chromium
B Nickel
C Vanadium
D Cobalt

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