Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
Wood's metal
Babbitt metal
Monel metal
Duralumin
- The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
- Exposure to __________ accelerates the degradation of plastics.
- Which of the following phenomenon will exhibit the minimum heat transfer?
- What is the range of tempering temperature (°C) for most of the materials?
- Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
- Non-ferrous alloys used for making cutting tools need not have high
- A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
- Laser welding is widely employed in the __________ industries.
- Ferromagnetic materials owe their properties to __________ inner sub-shells.
- The escape velocity of a body on earth which is independent of its mass is about __________ km/second.
- A psychrometer does not measure the __________ temperature of moist air.
- As per international norms, the maximum permissible value of noise level in the industrial environment…
- Dew point temperature always gives an indication of the __________ of the moist air.
- A pycnometer is used for the measurement of
- Which of the following is an example of cathodic protection of metals against corrosion?
- Vernier calipers cannot be used to measure the
- Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
- Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
- The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
- __________ property of a material is determined by the Herbert Pendulum device.
- The most commonly used moderator in nuclear power plants is
- Pick out the wrong statement.
- The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log…
- Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at…
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
- Main constituent of bone ash is
- Iron content in Indian iron ore is about __________ percent.
- __________ cannot increase the fatigue strength of a material.
- Which of the following is the most suitable material of construction for the condenser tubes, where…
- In practice, the compression ratio of compression-ignition (CI) engine ranges from