Related Questions
What is the correct answer?
4
Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
What is the correct answer?
4
Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?
What is the correct answer?
4
Projection welding & stud welding is categorised as the __________ welding.
What is the correct answer?
4
Which of the following is not a principal alloying element for the structural steel?
What is the correct answer?
4
The material used for coating the welding electrode is termed as the
What is the correct answer?
4
Brazing is the joining of metals
A. Without melting the base metal
B. With a non-ferrous filler
What is the correct answer?
4
Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is
What is the correct answer?
4
Yield strength of a polycrystalline metal with an average grain size d, is proportional to
What is the correct answer?
4
Which of the following is not a ferromagnetic material?
What is the correct answer?
4
Cemented carbide tools are not suitable for cutting
What is the correct answer?
4
Suitability of steel for its use in cable is judged by its strength in
What is the correct answer?
4
Gantt charts are used for streamlining the
What is the correct answer?
4
Which of the following is an example of cathodic protection of metals against corrosion?
What is the correct answer?
4
Which of the following approaches the ideal gas behaviour most closely?
What is the correct answer?
4
With increase in temperature, the surface tension of water
What is the correct answer?
4
According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.
What is the correct answer?
4
The unit of gc is
What is the correct answer?
4
__________ is the most suitable lubricant for drawing mild steel wires?
What is the correct answer?
4
Dislocation cross-slip is difficult in those materials, which have
A. Large number of slip systems
B. High work hardening rate
D. Low stacking fault energy
What is the correct answer?
4
Which of the following is preferred for riveting?
What is the correct answer?
4
'Cryogenics' is concerned with the generation & use of low temperature in the range of
What is the correct answer?
4
Stresses encountered in the metal forming processes are less than the __________ of the material.
D. Limit of proportionality
What is the correct answer?
4
If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
What is the correct answer?
4
Which of the following can be manufactured using powder metallurgy techniques?
What is the correct answer?
4
Out of the following, the __________ pipe has the least corrosion resistance.
What is the correct answer?
4
Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode
A. Occurs higher in the electro-chemical series of metals
B. Is exemplified by magnesium plate
C. Is much cheaper than the cathodic base material to be guarded against corrosion
What is the correct answer?
4
Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:
A. Nickel, cobalt & chromium
B. Tungsten, chromium & cobalt
C. Manganese, chromium & cobalt
D. Tungsten, molybdenum & nickel
What is the correct answer?
4
Which of the following is an acidic constituent of B.F. slag?
A.
What is the correct answer?
4
Pick out the wrong statement.
A. Complete unity of command exists in a line organisation
B. Line organisation is net suitable for expansion and growth of an industry
C. In line and staff organisation, line executes and staff directs
What is the correct answer?
4
The normal stress is the same in all directions at a point in a fluid, only when the fluid
A. Is at rest & has zero viscosity
C. Fluid layer has no motion relative to an adjacent layer of fluid
D. is incompressible & frictionless