A. Malleable iron
B. Grey cast iron
C. Chilled cast iron
D. White cast iron
Related Mcqs:
- Vibration upto 100 kilo hertz can be most accurately measured by a ________________ type accelerometer ?
A. Preloaded spring
B. Piezoelectric
C. Bonded strain gauge
D. None of these - Acute danger to human life (i.e. death) exists, if the concentration of CO2 in atmospheric air exceeds ______________ percent (by volume)?
A. 1
B. 3
C. 7
D. 20 - In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
A. Tin
B. Lead
C. Zinc
D. Glass - Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?
A. Aluminium
B. Copper
C. Titanium
D. Stainless steel - Which of the following is not a ferromagnetic material ?
A. Nickel
B. Cobalt
C. Aluminium
D. Iron - Which of the following is not a characteristic observed in material failure by fatigue fracture ?
A. Plastic deformation of material does not occur
B. Initiation of crack from below the surface does not occur
C. Initiation of crack occurs on the surface of the machine part
D. Presence of both rough & smooth zone with conchoidal markings in smooth zone of the - A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct ?
A. Xc > Xs
B. Xc = Xs
C. Xc < Xs
D. Xc greater/less than Xs depending on the length of the cylinder - A solid is transformed into vapour without going to the liquid phase at_________________?
A. Triple point
B. Boiling point
C. Below triple point
D. Always - Solutions which distil without change in composition are called________________?
A. Ideal
B. Saturated
C. Supersaturated
D. Azeotropic - If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?
A. Enthalpy
B. Volume
C. Both A. & B.
D. Neither A nor B
