VSSC Chemical Operator-Maintenance Mechanic 2016 Paper

Vikram Sarabhai Space Center Chemical Operator Paper 2016

The following is indirect cost of accident
(a) Money paid for treatment of worker
(b) Compensation paid to worker
(c) Cost of lost time of injured worker
(d) All of the above

Above ____ dB the sound becomes physically painful
(a) 60
(b) 40
(c) 70
(d) 80

An instrument which detects electric current is known as
(a) Voltmeter
(b) Rheostat
(c) Wattmeter
(d) Galvanometer

Testing flatness or straightness of a surface is possible using
(a) Vernier caliper
(b) Micrometer
(c) Autocollimator
(d) All of these

Resistance to fatigue of a material is measured by
(a) Poissons ratio
(b) Endurance Limit
(c) Youngs Modulus
(d) Hardness number

Chalk, limestone, marble, eggshells and seashells are made from
(a) Calcium hydroxide
(b) calcium oxide
(c) Calcium carbonate
(d) Calcium chloride

Gases are compressible because of
(a) Space between particles
(b) Collision of particles
(c) Movement of particles
(d) Forces of attraction between particles

Which of the following is hardest known material?
(a) Cemented carbide
(b) Ceramics
(c) Cubic Boron Nitride (CBN)
(d) Diamond

Gears are used to do the following for rotating shafts
(a) Increase speed
(b) Decrease speed
(c) Change direction of rotation
(d) All of these

In Fourier’s law, the proportionality constant is called the
(a) Heat transfer co-efficient
(b) Thrermal diffusivity
(c) Thermal conductivity
(d) Stefan-Boltzman constant


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