MCB will be used for light circuit?
(A) Green Knob
(B) Red knob
(C) Blue knob
(D) Black knob
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
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
The electron gun is the main part of?
(A) Cathode Ray Isoloscope
(B) Transistor tester
(C) Single Generator
(D) All of the above
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
When is International Manned Space Flight Day celebrated?
(A) 2 April
(B) 6th April
(C) 12 April
(D) 18 April
When is World Homeopathy Day celebrated?
(A) 2 April
(B) 7th April
(C) 10 April
(D) 17 April
When is International Wetland Day celebrated every year?
(A) 1 February
(B) 2 February
(C) 3 February
(D) 4 February
When is the foundation day of Jammu and Kashmir celebrated?
(A) 23 January
(B) 20 January
(C) 29 January
(D) 26 January
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