A) Lead sulphate and lead oxide B) Lead peroxide and pure lead C) Lead peroxide and lead sulphate D) Pure lead and lead oxide. Ans : (B)
A) it increases the life span of the accumulator B) it decreases the internal resistance of the accumulator C) it increases the e.m.f. of the accumulator D) it makes the lead accumulator sturdy Ans : (B)
A) 0.9 B) 1.0 C) 1.12 D) 1.3. Ans : (C)
A) a semi-conductor B) a bad conductor of electricity C) a good conductor of electricity D) an insulator. Ans : (C)
A) lead stearate B) pyrogallic acid C) aqueous solution of ammonium chloride D) dilute hydrochloric acid. Ans : (C)
A) nuclear energy B) chemical energy C) non-flowing current D) electrostatic charge. Ans : (B)
A) primary cells only B) secondary cells C) both primary and secondary cells. Ans : (A)
A) acid particles get separated B) water starts boiling C) lot of heat is generated D) colour of acid changes. Ans : (C)
A) 36 coulombs B) 360 coulombs C) 3600 coulombs D) 36000 coulombs. Ans : (C)
A) maximum ampere-hours B) maximum current C) maximum energy D) maximum voltage. Ans : (B)
Multiple Choice Question (MCQ) of Electric Power page-10:91. An impulse turbine
Multiple Choice Question (MCQ) of Electric Power page-9:81. Spouting velocity is A) Velocity of jet under specified conditions B) Actual velocity of jet C) 50 % of ideal velocity of jet D) Ideal velocity of jet.
Multiple Choice Question (MCQ) of Electric Power page-8:71. In closed cooling system A) water does not flow B) hot water is recirculated after cooling C) air and water cooling is simultaneously used D) constant supply of fresh water for cooling is required.