A) high leaded glass B) high silica glass C) boro silicate glass D) soda lime glass. Ans : (D)
A) Chromium B) Vanadium C) Molybdenum D) All of the above. Ans : (D)
A) temporary equilibrium B) a unit of length C) material with weak secondary bonds D) the smallest repetitive unit in a polymer. Ans : (D)
A) 70% Cu + 20% Zn + 10% Sn B) 86% Cu + 9% Zn + 5% Sn C) 90% Cu + 1% Zn + 5% Sn D) 99% Cu + 0.5% Zn + 0.5% Sn. Ans : (B)
A) 5% B) 4% C) 2.5% D) 0.5%. Ans : (B)
A) Phenol formaldehyde resin B) Silicon varnish C) Thermoplastic synthetic resin D) Acrylate. Ans : (A)
A) The magnetic properties change with temperature B) The amplitude of vibration of the atom varies with temperature C) The electron gas density varies with temperature D) The electron density varies with temperature. Ans : (B)
A) at first decreases and then increases B) at first increases and then decreases C) tends to a constant value D) decreases and tends to zero. Ans : (D)
A) Stainless steel B) Aluminium C) Copper D) Silver. Ans : (D)
A) Annealing B) Carburizing C) Normalizing D) None of the above. Ans : (B)