Mindblown: a blog about philosophy.

Vikram Sarabhai Space Centre Draughtsman Mechanical Paper 2019 How much force must be applied by a person to lift an object weighing 500 kg.f using a pulley block that gives him a mechanical advantage of 10? (a) 10 kg.f (b) 20 kg.f (c) 50 kg.f (d) 5000 kg.f Module of a gear is 4 and…

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…

Vikram Sarabhai Space Centre Turner Paper 2017 Screw pitch gauge determines- (a) Pitch diameter of threads (b) Thread Pitch (c) Major diameter of internal thread/ Minor diameter of external thread (d) All of the above What is the suitable heating temperature for low carbon steels for forging? (a) 720 degree C (b) 650 degree C…

Vikram Sarabhai Space Centre Chemical Operator-Maintenance Mechanic Paper 2017 The SI unit of energy is (a) watt (b) Joule (c) newton (d) coulomb A device used to measure relative humidity (a) potentiometer (b) galvanometer (c) Hygrometer (d) thermometer The wavelength of ultraviolet rays is higher than (a) Gamma rays (b) infrared rays (c) microwaves (d)…

Vikram Sarabhai Space Center Chemical Operator Paper 2012 Which of the following statement is incorrect? (a) Double salts give positive test for all its constituents (b) Complex salts contain coordinate covalent bonds (c) Transition elements form alloys easily (d) Paragnetism is the property of unpaired protons Current flows in solutions through (a) Ions (b) Electrons…

Vikram Sarabhai Space Center Electronic Mechanic Paper 2012 A parity check usually can detect ______ (a) 1 bit error (b) 2 bit error (c) 8 bit error (d) Any bit error A decade counter requires (a) Two flip-flops (b) Three flip-flops (c) Four flip-flops (d) Ten flip-flops A byte is a group of (a) 2…

Vikram Sarabhai Space Center FRP Paper 2016 E-glass type of fiber is used in (a) Electrical applications (b) Environmental applications (c) Emission applications (d) Strength applications One of the major drawbacks of advanced composite materials is (a) their high cost of fabrication (b) their low specific elastic modulus (c) that they are extremely heavy (d)…

Vikram Sarabhai Space Center Electroplater Paper 2016 Earth wire or ground wire is made of (a) Copper (b) Aluminium (c) Iron (d) Galvanized steel Melting point of pure Iron is (a) 1363 degree C (b) 1538 degree C (c) 1601 degree C (d) 1353 degree C Which one of the following is a mechanical cleaning…

Vikram Sarabhai Space Center Electronic Mechanic Paper 2016 If the bandwidth of a band-pass filter increases (a) Q decreases (b) the roll-off rate increases (c) the half-power frequency decreases (d) the center frequency decreases You could increase the time constant of an RC circuit by (a) adding a resistor in parallel with the circuit resistance…

Vikram Sarabhai Space Center MR & AC Technician Paper 2016 If the rate of heat transfer is constant, it is known as (a) steady- state heat transfer (b) unsteady-state heat transfer (c) uniform heat transfer (d) non-uniform heat transfer Which of the following refrigerant has the lowest freezing point? (a) R-11 (b) R-12 (c) R-22…