Page 376 - General Knowledge

GENERAL KNOWLEDGE 2019

90. Which among the following is correct regarding the alkaline battery?
A. Negative terminal made of Zinc Powder and Positive terminal made of Manganese dioxide &
electrolyte is KOH
B. Negative terminal made of Manganese dioxide and Positive terminal made of Zinc powder &
electrolyte KOH
C. Negative terminal made of Zinc Powder and Positive terminal made of Manganese dioxide &
Electrolyte is Ammonium Chloride
D. Negative terminal made of Manganese dioxide and Positive terminal made of Zinc powder &
electrolyte Ammonium Chloride

91. What is the atomic number of Transuranic elements?
A. Greater than 90
B. Greater than 92
C. Greater than 91
D. Greater than 93

92. A Cyclotron is ___?
A. A charged particle
B. A particle Accelerator
C. A magnetic particle
D. A radioactive particle

93. Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.1% by
weight. An increasing amount of Iron will result in which of the following?
A. Increase Hardening
B. Decrease Hardening
C. Increase ductility
D. Increase melting Point

94. Cassiterite is an ore of which of the following ?
A. Iron
B. Zinc
C. Copper
D. Tin

95. Which of the following are found in nucleus of Deuterium
A. 1 proton & 1 neutron
B. 2 protons
C. 1 proton and 1 electron
D. 2 neutrons only

96. Which among the following provides the centripetal force to an electron circulating around
the nucleus?
A. electrostatic forces of repulsion
B. electrostatic force of attraction
C. speed of the electron
D. nuclear charge

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