Lead is added to 60:40 brass primarily to improve
Machinability
Corrosion resistance
Fluidity
Strength
Also checkout these categories
Morphology of flowering plants MCQ Ethers MCQ Angiosperms (Morphology) MCQ Planet Kingdom MCQ Phylum - Annelida MCQ Phylum - Aves (Birds) MCQ Atomic Physics Theory MCQ Races and Games MCQ Machine Input MI MCQ Origin of Life and Organic Evolution MCQ Matter MCQ Building Construction MCQ
- Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
- Globular form of cementite is formed during the __________ process.
- Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
- Stellite is a __________ material.
- For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
- Neutrons are present in all atoms except that of
- Cast iron contains __________ percent carbon.
- The refrigerant freon-12 is chemically
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- Chromium molybdenum steel cannot be welded using __________ welding.
- Exposure to __________ accelerates the degradation of plastics.
- Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when…
- Dies for wire drawing are generally made of
- Air intake for an air compressor should be preferably taken from
- Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
- On being hit with a hammer, __________ will readily fracture.
- Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
- Highest cutting speed is achieved by the __________ tool material.
- Specific __________ is a dimensionless quantity.
- Normalising of a casting does not
- Use of water as a manometric liquid suffers from the disadvantage of its
- Which of the following if present in iron ore, enhances its value?
- The approximate height of a blast furnace having a useful volume of 2000 m3 is about __________ metres
- 'Ice point' is designated on Fahrenheit temperature scale by
- Laser welding is widely employed in the __________ industries.
- The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
- In practice, the compression ratio of compression-ignition (CI) engine ranges from
- Annealing of white cast iron produces __________ iron.
- An example of unsteady non uniform flow is the flow of liquid under pressure through a
- Aluminium is extracted from