Mindblown: a blog about philosophy.

Vikram Sarabhai Space Center Instrument Mechanic Paper 2016 Load cell uses (a) piezoelectric crystal (b) capacitor (c) mutual inductance (d) strain gauge The two input terminals of an opamp are labelled as (a) High and Low (b) Input and ground (c) Inverting and non inverting (d) Differential and non differential It is required to study…

Vikram Sarabhai Space Center Turner Paper 2016 Vernier bevel protractor is precision instrument meant for measuring angles precisely to an accuracy of (a) 1 inch (b) 5 inch (c) 1 degree (c) 5 degree Ra value in surface roughness means (a) Root Sum Square (b) centre Line Average (c) Maximum valley depth (d) Maxiumum crest…

Vikram Sarabhai Space Center Tool and Die Maker Paper 2016 Extinguishing of the fire does not include (a) Starving (b) Smothering (c) Cooling (d) Heating The fit specification 30H7g6 corresponds to following (a) Hole basis sytem (b) Shaft basis sytem (c) The basis sytem depends on basic dimension of shaft (d) None of the above…

Vikram Sarabhai Space Center Turner Paper 2015 A reamed hole has patches of poor surface finish. Which one of the following is the cause for this defect? (a) The bored hole has insufficient reaming allowance (b) Excessive cutting speed (c) Wrong selection of the reamer for the job (d) Insufficient coolant supply The included angle…

Vikram Sarabhai Space Center Photography Paper 2015 Resolution of VGA format (a) 540 ppi x 480 lines (b) 640 ppi x 576 lines (c) 640 ppi x 480 lines (d) 620 ppi x 480 lines Main element that help us to control the depth of field (a) Focal length and focus point (b) Aperature size,…

Vikram Sarabhai Space Center Instrument Mechanic Paper 2015 The gravity controlled instruments have scales which are not uniform but are crowded because (a) Balance weight is more than the control weight (b) Current is proportional to the deflecting angle (c) Current is proportional to Sin angle (d) Balance weight itself is not uniform The prismatic…

Vikram Sarabhai Space Center Forger & Heat Treater Paper 2015 Hot set is used on a hot metal for (a) cutting (b) Flattening (c) Upsetting (d) Jumping Tongs are made up of (a) High carbon steel (b) Mild steel (c) High speed steel (d) Cast iron Suitable color for forging of mild steel is (a)…

Vikram Sarabhai Space Center Electronic Mechanic Paper 2015 The curve representing ohm’s law is (a) Parabola (b) Sine function (c) Linear (d) Hyperbola As the frequency increases, the capacitive reactance of the circuit (a) Decreases (b) Increases (c) remains same (d) Increases and then remains constant A R-L circuit has 6 ohms resistance 8 ohms inductive…

Vikram Sarabhai Space Center Electoplater Paper 2015 Valency of Carbon in CCl4 is (a) 1 (b) 2 (c) 4 (d) 0 A supplementary anode employed during electro-deposition to acheive a desired thickness distribution of the deposit is called (a) Thief (b) Robber (c) Maskant (d) Auxiliary anode Damage of a metal or alloy caused by…

Vikram Sarabhai Space Center Chemical Operator/ Laboratory Assistant Paper 2015 Catalyst used in Ostwald’s process for the manufacture of nitric acid (a) Finely divided iron (b) Platinised asbestos (c) vanadium pentoxide (d) alumina Grignard reagent when reacts with water gives (a) Alkane (b) Alkene (c) Alkyne (d) Benzene Resonance energy of benzene is (a) -49.8…