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Liquid Propulsion System Centre, Indian Space Research Organisation Technical Assistant Electrical Paper 2018
Two coplanar concurrent forces of magnitude 3kN and 4kN makes an angle of 60 degree with each other, then the magnitude of resultant is
(a) 4.03 kN
(b) 3.25 kN
(c) 6.08 kN
(d) 7.0 kN
pH values of solutions A, B and C are respectively 9, 5, 7, then which of the following is fully correct
(a) A=Acidic solution, B= Alkaline solution, C= Neutral solution
(b) A= Alkaline solution, B= Neutral solution, C= Acidic solution
(c) A= Alkaline solution, B= Acidic solution, C= Neutral solution
(d) A= Acidic solution, B & C= Alkaline solutions
______ occurs when two metals or alloys having different compostions are electrically coupled while exposed to electrolyte –
(a) Direct corrosion
(b) Electro chemical corrosion
(c) Galvanic corrosion
(d) None of the above
Junction barrier voltage for PN junction of Germanium at room temperature is
(a) 0.7 V
(b) 0.3 V
(c) 0.5 V
(d) 1.2 V
The polymers which soften when heated and harden when cooled are called
(a) Thermo-setting plastics
(b) Thermo-Plastics
(c) Thermal plastics
(d) None of the above
Which of the following is not a dielectric material
(a) Titanium
(b) Titania
(c) Barium titanate
(d) Mica
What is the kilowatt-hour comsumption of a 60 W lamp if it is ON for 3000 minutes?
(a) 3000
(b) 180
(c) 3
(d) 1800000
Which of the following remains constant non zero value inside a conducting sphere?
(a) Potential
(b) Electric flux
(c) Charge
(d) Electric intensity
What is the unit of MMF?
(a) Weber/ meter
(b) Henry/ meter
(c) Amprere-turn
(d) Henry-turns
When an object has surfaces inclined to principal planes of projection, then the true shape of inclined surface is projected on an imaginary plane parallel to inclined surface, then it is called
(a) Isometric projection
(b) Orthographic projection
(c) Auxiliary projection
(d) Perspective projection
Last Updated on – 7th April 2022
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