The specific gravity of coal depends mainly on its __________ content.
Carbon
Volatile matter
Ash
Moisture
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- The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
- Which of the following is the largest quantum of pressure?
- Silicon in steel
- Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
- In multipass welds, shot peening is done after each pass to
- Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute…
- The ratio of the shear stress to the principal stress on a principal plane is
- To improve the machinability of steel, it is generally subjected to
- Hot working of lead is carried out at
- Which of the following is prone to cup and cone fracture?
- Dowtherm is a
- Iron content in Indian iron ore is about __________ percent.
- Hydrogen can be
- Routing in production, planning & control is concerned with the
- The highest stress that a material can withstand for a specified length of time without excessive deformation…
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
- Pick out the correct statement.
- Water flow in the river during flood can be categorised as the __________ flow.
- Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
- A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.
- Electrochemical corrosion can occur, only if __________ is present in contact with metal.
- A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
- A material in which the atoms are arranged regularly in some directions but not in others, is termed…
- Pressure exerted by a liquid depends upon its
- __________ property of steel increases by addition of large amount of silicon in it.
- Energy of the sun arises mainly from __________ reactions.