Related Questions

Singhbhum where copper ore is mined is in
A Uttar Pradesh
B Jharkhand
C Andhra Pradesh
D Odisha
Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
A It contains large amount of volatile matter
B It is stored in tall heaps
C Smaller fines are stored in large quantity
D All of the above
What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only?
A Zero
B First
C Second
D Third
Rock phosphate used for the production of phosphatic fertiliser is mined at
A Amjhor (Jharkhand)
B Talchar (Orissa)
C Bailladella (M.P.)
D Kiriburu (Bihar)
Gold is mined in:
A Karnatka
B Maharastra
C Orissa
D Uttar Pradesh
Where is the biggest reserve of mica?
A In South Africa
B In India
C In USA
D In Australia
In which of the following industries is mica as a raw material?
A Cement
B Glass and Pottery
C Iron and Steel
D Electrical
Dielectric strength of mica is
A 10 to 20 kV/mm
B 30 to 50 kV/mm
C 50 to 200 kV/mm
D 300 to 500 kV/mm
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
A Ceramic capacitor
B Mica capacitor
C Both will have identical value of capacitance
D It depends on applied voltage
In an electric press mica is used
A As an insulator
B As a device for power factor improvement
C For dielectric heating
D For induction heating

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