Mixed GK Questions 2022
MCB will be used for light circuit?
(A) Green Knob
(B) Red knob
(C) Blue knob
(D) Black knob
Correct Answer : A
Solder wire is made?
(A) Land and tin
(B) Zinc and copper
(C) copper and lead
(D) None of these
Correct Answer : A
Explanation :
Solder is a fusible metal alloy used to create a permanent bond between metal workpieces. It is made up of 60% tin and 40% lead.
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
Correct Answer : A
Explanation :
In an AC circuit, magnetic reversal due to phase difference between current and voltage occurs 50 or 60 times per second. A capacitor helps to improve the power factor by relieving the supply line of the reactive power.
Gilbert is the unit of?
(A) Magnetism carrying force
(B) electric carrying force
(C) Conductivity
(D) Electronegativity
Correct Answer : A
The electron gun is the main part of?
(A) Cathode Ray Isoloscope
(B) Transistor tester
(C) Single Generator
(D) All of the above
Correct Answer : A
Explanation :
The most common use of electron guns is in cathode-ray tubes, which were widely used in computer and television monitors before the advent of flat screen displays. Most color cathode-ray tubes incorporate three electron guns, each one producing a different stream of electrons.
Refrigerators have a relay?
(A) Magnetic type
(B) by simple switch
(C) Non-magnetic
(D) All of the above
Correct Answer : A
When is International Manned Space Flight Day celebrated?
(A) 2 April
(B) 6th April
(C) 12 April
(D) 18 April
Correct Answer : C
When is World Homeopathy Day celebrated?
(A) 2 April
(B) 7th April
(C) 10 April
(D) 17 April
Correct Answer : C
When is International Wetland Day celebrated every year?
(A) 1 February
(B) 2 February
(C) 3 February
(D) 4 February
Correct Answer : B
When is the foundation day of Jammu and Kashmir celebrated?
(A) 23 January
(B) 20 January
(C) 29 January
(D) 26 January
Correct Answer : D
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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