Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
Wood's metal
Babbitt metal
Monel metal
Duralumin
- Cold heading or upsetting is categorised as the __________ process.
- __________ furnace is generally used in the non-ferrous foundries.
- The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by
- Lead is poured into the joint between two- __________ pipes.
- Air intake for an air compressor should be preferably taken from
- Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
- Pressure exerted by a liquid depends upon its
- __________ metal is used as a bearing liner material.
- Which of the following metals is the most prone to work hardening?
- The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
- Lead is added to 60:40 brass primarily to improve
- The thermodynamic law, = constant, is not followed by the
- Common salt is produced from sea water in India generally by the __________ method.
- Corona discharge is related to the operation of a/an
- Which of the following is an unconventional source of energy?
- Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
- Titanium is produced by __________ of Ti Cl4.
- A psychrometer does not measure the __________ temperature of moist air.
- Natural water contains approximately __________ percent of heavy water.
- Coarse grained steels have
- Out of the following the refractive index is the highest for
- Large scale fire on fuel gas line is normally extinguished by
- Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
- Pick out the correct statement about the condensation.
- Sub zero treatment of steel is done to
- Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
- Compressed dry air is used as the cutting fluid, while machining
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Fatigue resistance of a material is measured by the
- Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…