Change in volume of metals from absolute zero temperature to their melting points is
Almost same for all metals
Different for different metals
Less for low melting point metals
Less for high melting point metals
- Dryness fraction of dry steam is
- The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
- Shampoos are commercially not available in the form of
- The ratio of the shear stress to the principal stress on a principal plane is
- Increasing sulphur content in pig iron tends to make it
- A reduction in thermal resistance during heat transfer does not occur in the
- The majority charge carriers in p-type silicon are
- The substance used as a smoke screen in warfare is
- The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________…
- Maximum hardenability of steel depends upon its
- Specific __________ is a dimensionless quantity.
- Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.
- Yield strength of a polycrystalline metal with an average grain size d, is proportional to
- A compact estimate about the amount of materials handling between various work stations is obtained…
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- Which of the following is not an ore of copper?
- Which of the following equipments is used for liquid dispersion?
- Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid…
- The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
- Out of the following, the joint produced by __________ has the lowest strength.
- __________ is a non volatile film forming constituent of a paint.
- Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when…
- The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
- If the demand for an item is trebled and the order cost is reduced to one third, then the economic order…
- The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
- A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.
- In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- Thermal conductivity of a material does not depend upon its
- Which one is neutral in character?