Which of the following properties of a solid is not dependent on crystal imperfection?
Ductility
Semi-conductivity
Melting point
Yield stress
- Enzymes belong to the category of
- __________ is used for tying the steel columns to concrete foundation.
- Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
- Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- During sensible cooling of air, its wet bulb temperature
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
- Which of the following is an example of cathodic protection of metals against corrosion?
- During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional…
- One ton of refrigeration is not equivalent to the heat removal rate of
- Chlorine acts as a bleaching agent only in the presence of
- Out of the following, the alloy which has equal percentage of constituents, is
- In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
- Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
- Which of the following is an acidic constituent of B.F. slag?
- Biological shield in a nuclear reactor is generally provided to protect against the
- Nickel is a __________ material.
- Which of the following is the largest quantum of pressure?
- __________ stress cannot be sustained by a fluid in equilibrium.
- __________ are normally subjected to sub-zero treatment.
- The excess air required for the combustion of pulverised coal is of the order of about __________ percent.
- Which of the following metals reacts violently with water?
- Dielectric
- The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
- __________ is used as a material of construction for the blade of power saw.
- Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
- Damage to metal surface by mechanical action is called
- Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
- Natural water contains approximately __________ percent of heavy water.