Fahrenheit and Centigrade scales have the same readings at
-55°
-40°
-33°
-58°
- Which of the following is not an explosive?
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding
- Transformer cores are normally made from
- Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
- To counteract the bad effects of strain hardening on a cold formed part, it must be
- Pearlite comprises of
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except
- Optical activity is a/an __________ property.
- An oxidation process is accompanied with decrease in the
- Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.
- Cementite is in the lamellar form in the __________ phase of steel.
- Limestone is added in the blast furnace (during pig iron manufacture) to
- __________ is the hardest oxide and is hence used where high wear resistance at high temperature is…
- __________ can replace tungsten in high speed steel.
- __________ is the most suitable lubricant for drawing mild steel wires?
- Stainless steel is welded using
- Material of construction of the electrode used in the electric resistance welding is
- Which of the following is an acidic constituent of B.F. slag?
- Pick out the correct combination about the role of various additives used in polymers.
- Brazing is the joining of metals
- The refractory lining of the bottom in a basic electric arc furnace is made of
- Titanium is added to molten aluminium alloys before casting for the purpose of
- X-rays are
- Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
- Particle nature of cathode rays is proved due to the fact that they
- Fibre reinforced plastic (FRP) are
- Nickel and __________ are the alloying element added in steel to increase its toughness.
- Tip of the match stick contains a mixture of
- The most abundant metal present in the earth's crust is;