The term “white coal” sometimes referred to which of the following...? Mcqs

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The term “white coal” sometimes referred to which of the following...?

(A) Geothermal Electricity
(B) Wind Energy

(C) Hydroelectricity
(D) Biomass Energy

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When the moon comes in front of the sun and blocks most of the sunlight from reaching the earth is known as...?

(A) A Solar Eclipse
(B) A Lunar Eclipse

(C) A Venus Eclipse
(D) A Earth Eclipse

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The solar wind can reach speeds of up to...?

(A) 600 km/s
(B) 700 km/s

(C) 800 km/s
(D) 650 km/s

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what is the height of The atmosphere layer mesosphere...?

(A) 85 km
(B) 50 km

(C) 40 km
(D) 10 km

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Which Gas is included in Fry Chips Packets for safety...?

(A) Nitrogen gas
(B) Carbon dioxide

(C) Oxygen
(D) Hydrogen

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Which of the following is the main characteristic of electromagnets that makes them useful in cranes and doorbells...?

(A) They are very strong
(B) They are permanent

(C) They can be switched on and off
(D) They are very heavy

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Bauxite is an ore of_________...?

(A) copper
(B) zinc

(C) aluminium
(D) iron

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Spring tides occur on new moon and full moon days because on these days_____________...?

(A) Sun, moon and earth are in a straight line
(B) Sun and earth are at right angles

(C) Sun and moon are at right angles
(D) Earth and moon are at right angles

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The ratio of output to input is called...?

(A) Energy
(B) Work

(C) Power
(D) Efficiency

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1 BTU(British thermal unit) is equal to___________...?

(A) 955 joules
(B) 990 joules

(C) 1055 joules
(D) 1211 joules

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