VSSC Electoplater Paper 2017

Vikram Sarabhai Space Centre Electoplater Paper 2017

Salt Spray Test is used to determine the ______ of the metallic surface
(a) Hardness
(b) Corrosion resistance property
(c) Emissivity
(d) Wear resistance porperty

Momentum of an object is the product of ______
(a) Mass and velocity
(b) Mass and Acceleration
(c) Mass and Density
(d) Mass and Volume

The electric current per unit area is called _____
(a) Current Capacity
(b) Current Efficiency
(c) Current Desnity
(d) Electric charge

1 Faraday = 96485.3 ______
(a) Coulombs
(b) Amperes
(c) Watts
(d) Ohms

The ability of a solution to plate metal into the low current density areas is known as
(a) Covering Power
(b) Treeing Effect
(c) Bipolar Effect
(d) Throwing Power

_______ are the elements having same atomic nubmer but different mass number
(a) Allotropes
(b) Isobars
(c) Isotopes
(d) Isotones

_____ is a noble metal
(a) Mercury
(b) Sodium
(c) Sulphur
(d) Platinum

Pascal is a unit used to measure ______
(a) Luminous Intensity
(b) Pressure
(c) Current Density
(d) Coating Thickness

The equation, m=zxQ is derived from ______
(a) Ohm’s Law
(b) Faraday’s Law
(c) Newton’s Law
(d) Boyel’s Law

HVOF Coating is a type of ______
(a) Thermal Spray Coating
(b) Vapour Deposition
(c) Immersion Coating
(d) Electro-phoretic Coating