Tempering of a material does not improve its
Machinability
Toughness
Internal stress level
Softness
- Sudden fall of atmospheric pressure by a large amount is an indication of the
- Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
- The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.
- Silicon in steel
- Load cells used for the measurement of weight has
- Euler number is defined as the ratio of inertia force to __________ force.
- With increase in temperature, the electrical conductivity of a __________ decreases.
- The dimensional formula of bulk modulus of elasticity is same as that of the
- Pick out the wrong statement.
- Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
- Which of the following material handling equipments is not suitable for moving materials in varying…
- Air standard Otto cycle is more efficient than the diesel cycle for the same
- Dielectric
- When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
- The approximate height of a blast furnace having a useful volume of 2000 m3 is about __________ metres
- Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.
- Pick out the wrong statement.
- The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used.…
- If a solid is compressed adiabatically in its elastic range, its __________ remains constant
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
- Diffusion co-efficient of a metal in a solid solution depends upon its
- In practice, the compression ratio of compression-ignition (CI) engine ranges from
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
- Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
- The difference between gross & net calorific values of fuel is due to the
- Quartz is a __________ material.
- Recrystallisation temperature of steel is __________ °C.
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- Minimum number of members required to form a Public Limited Joint Stock Com-pany is