Curd contains mainly______acid.
(A) Benzoic
(B) Fumaric
(C) Lactic
(D) Malic
Which of the following acids is used in car batteries?
(A) Nitric acid
(B) Hydrochloric acid
(C) Sulphuric acid
(D) Hydrofloric acid
Tungsten resistance to temperature rise?
(A) decreases
(B) increases
(C) there is no change
(D) All these
Are fan boxes installed in roofs?
(A) Casing-keeping wiring
(B) in cleat wiring
(C) in conduit wiring
(D) Wiring
Solder wire is made?
(A) Land and tin
(B) Zinc and copper
(C) copper and lead
(D) None of these
Capacitors are fitted to increase the power coefficient?
(A) parallel to the supply
(B) By putting resistance to supply
(C) In the supply chain
(D) None of these
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