Mindblown: a blog about philosophy.

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…

Vikram Sarabhai Space Center Chemical Operator Paper 2015 Multiplication of atomic weight and specific heat (in cal/g) is (a) 5.4 (b) 6.4 (c) 4.6 (d) 5.6 Basicity of H3PO4 is (a) 4 (b) 1 (c) 3 (d) 7 The percentage of nitrogen in urea is about (urea=NH2CONH2) (a) 46 (b) 85 (c) 18 (d) 28…

Vikram Sarabhai Space Center Chemical Operator Paper 2015 The gas constant R represents work done (a) Per molecule (b) per dgree absolute (c) per degree per mole (d) per mole The number of singma bonds in C2H4 (ethelene) molecule is (a) 2 (b) 3 (c) 4 (d) 5 How many electrons are present in the…

Vikram Sarabhai Space Center Electrician Paper 2016 The magnetic field produced in the stator of three phase induction motor, rotates at (a) Rotation speed (b) Above synchronous speed (c) Synchronous speed (d) slip speed Calculate the slip in an induction motor 4 pole 50 Hz rotating at 1400 rpm (a) 6.6% (b) 6.0% (c) 5.5%…

Vikram Sarabhai Sapce Centre Chemical Operator Paper 2016 Which of the following is not a mixture? (a) Distilled water (b) LPG (c) Gasoline (d) Iodized table salt Light year is a measure of (a) Time (b) Distance (c) Mass (d) None of the above Organic molecules containing hydroxyl group are called (a) Esters (b) Ethers…

Vikram Sarabhai Space Centre Technician Electronic Mechanic Paper 2019 What is the color code for a 3300 Ohm, +/-5% resistor? (a) Orange, Orange, Red, Gold (b) Orange, Orange, Black, Silver (c) Red, Red, Black, Gold (d) Red, Red, Brown, Silver A logic function of how many inputs can be simplified using a Karnaugh map with…