Related Questions

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
__________ is the most suitable lubricant for drawing mild steel wires?
A Kerosene
B Water
C Sodium stearate
D Lime water
Which of the following is not a suitable solid lubricant?
A Talc
B Molybdenum disulphide
C Graphite
D None of these
Principal alloying element in Elinvar (used for making hair springs for watches) is
A Copper
B Aluminium
C Nickel
D Zinc
Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is
A Chromium
B Nickel
C Zinc
D Aluminium
Which of the following is used as a lubricant?
A Graphite
B Silica
C Iron Oxide
D Diamond
Which of the following is used as a lubricant in heavy machines?
A Bauxite
B Sulphur
C Phosphorus
D Graphite
Lubricant used for ball bearing is usually
A Graphite
B Grease
C Mineral oil
D Molasses
Which of the following is also used as a lubricant?
A Cuprite
B Graphite
C Haematite
D Cryolite
All the watches of a country are set according to ________
A Local time
B Standard time of the country
C Greenwich mean time
D Time of sunrise and sunset

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