Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
Hexagonal close, packed (hcp)
Face centred cubic (fcc)
Body centred cubic (bcc)
Simple cubic
- The pressure outside a bubble/droplet of liquid is __________ the internal pressure.
- __________ has a negative co-efficient of linear expansion.
- Gross national product (GNP) means the total value of __________ in a country.
- On being hit with a hammer, __________ will readily fracture.
- Often earing defects are found during deep drawing operation, because the
- When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
- Which of the following rays has the least wavelength?
- A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
- The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
- In chemical dehumidification of air
- Liquor poisoning generally occurs due to the presence of __________ in it.
- With decrease in the grain size of a material, its creep resistance
- Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
- In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
- Annealing of white cast iron produces __________ iron.
- Water flow in the river during flood can be categorised as the __________ flow.
- Recrystallisation temperature of steel is __________ °C.
- Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
- The value of for air & most common gases can be safely assumed to be
- The noble metals
- Speisses is a mixture of the following:
- Powder metallurgy is used to produce
- __________ is not used as a material of construction in thermocouples.
- Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
- Absolute zero pressure can be attained at a temperature of
- Pick out the wrong statement about the machinability of metals. Machinability of a metal
- Bad odour in sanitary latrines is reduced by periodically sprinkling
- Softening of hardened steel is done by its
- Boiler tube size is specified by its thickness and __________ diameter.
- Which of the following is resistant to the action of both heat & chemicals?