X-rays are
Positively charged
Negatively charged
Neutral
Of higher wavelength than visible light
- The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation…
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change.…
- Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
- Stainless steel is welded with difficulty because of
- Mild steel has __________ crystal lattice structure.
- The product (s) of roasting of a sulphide ore is (are)
- Satellites burn off during re-entry to earth's atmosphere, because of the
- Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
- Methyl orange indicator turns
- With increase in steam pressure, its specific volume decreases
- A psychrometer does not measure the __________ temperature of moist air.
- Young's modulus of a material is the measure of its
- The most commonly used moderator in nuclear power plants is
- Use of water as a manometric liquid suffers from the disadvantage of its
- Speisses is a mixture of the following:
- __________ the exhaust gas is an indication of the incomplete combustion of fuel.
- The following thermocouple may be used for measuring temperature upto 1873°K.
- The main constituent of bones is
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
- The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
- Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
- Unit of surface tension in S.I. unit is
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
- Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e.…
- Plants produce carbohydrates from the CO2 present in the atmosphere by
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point…
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Increase in the entropy of a system represents the
- Which of the following low melting alloy containing bismuth and lead is used for electric fuse?