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Multiple Choice Question & Answer

YB WEB DESK. Dated: 9/23/2021 6:10:16 AM

Ba sic Elect ri cal E ngi nee ri ng Q uestio ns a nd
Answers
1- Who created the first electric cell?
(A). Benjamin Franklin
(B). Alessandro Volta
(C). Thomas Edison
(D). Michael Faraday
2- Which type of switch is used to divert the flow
of current to either of two directions?
(A). One- way switch
(B). Two- way switch
(C). Intermediate switch
(D). Flush switch
3- The electrons present in the outermost orbit are
called as:
(A). Bound electrons
(B). Induction electrons
(C). Free electrons
(D). Paid electrons
4- The conductors dipped in the salt solution for
electrolysis are called as:
(A). Electrodes
(B). Electrolyte
(C). Electro-conductors
(D). Electrophoresis
5- What is the main characteristic of solder metal?
(A). Lower melting temperature
(B). Higher melting temperature
(C). Lower freezing temperature
(D). Higher freezing temperature
6- During electrolysis of water, which gas is produced
at cathode?
(A). Hydrogen
(B). Oxygen
(C). Hydrogen peroxide
(D). Ozone
7- What should be the minimum liquefying temperature
of the space filler alloy for soft soldering?
(A). 250 °C
(B). 300 °C
(C). 350 °C
(D). 400 °C
8- What type of reaction occurs at the negative
electrode, Anode?
(A). Oxidation
(B). Reduction
(C). Double displacement
(D). Substitution
9- On which of the following factor resistance of a
material does NOT depend?
(A). Length of resistive material
(B). Composition of resistive material
(C). Cross section of resistive material
(D). Voltage applied across the resistive material
10- What is the S.I. unit of magnetic field in cgs
system?
(A). Weber
(B). Tesla
(C). Coulomb
(D). Gauss
AnswErs:
1-(B), 2-(B), 3-(c), 4-(A), 5-(A), 6-(A), 7-(d), 8-(A),
9-(d), 10-(d)