Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
20
200
500
2000
- Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
- Pick out the wrong statement
- Powder metallurgy process does not make metal powder by
- Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
- Air-petrol ratio in an automotive petrol engine is around
- Which of the following is the correct nature of shear stress distribution along the cross section in…
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except
- While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
- Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
- Pick out the wrong statement.
- Lead pencil contains
- A solar cell converts the sunlight directly into __________ energy.
- Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.
- The most important function of a washer is to provide bearing area and washers are normally specified…
- Which of the following relationships is correct for relating the three elastic constants of an isotropic…
- 'Cryogenics' is concerned with the generation & use of low temperature in the range of
- All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in…
- Vernier calipers cannot be used to measure the
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point…
- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- The mechanism which changes the value of manipulated variable in response to the output signal from…
- The material used for coating the welding electrode is termed as the
- Materials having __________ lattice structure are usually the most ductile.
- The most commonly used moderator in nuclear power plants is
- Which of the following is not a ferromagnetic material?
- Which of the following metals is the most prone to work hardening?
- For grinding of softer materials, the grinding wheel should have __________ grain size.
- As per international norms, the maximum permissible value of noise level in the industrial environment…
- Powder metallurgy is used to produce