Propulsion of rocket follows from the
Newton's second law of motion
Newton's third law of motion
Law of projectiles
Archimedes principle
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- A highly elastic material is deformed least on loading and retains its original form on removal of the…
- The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
- Which one can be directly solidified from gaseous state without entering into liquid state?
- Identify the correct statement with reference to the extractive metallurgy of aluminium.
- The noble metals
- Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e.…
- Isotropic materials have the same __________ in all directions.
- High relative humidity decreases the evaporative process and as the temperature is increased, the relative…
- Calorific value of __________ are almost same.
- Air-petrol ratio for maximum power generation in spark ignition engine is about
- While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
- __________ pipe is the most suitable for carrying sanitary drainage.
- If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________…
- A solar cell converts the sunlight directly into __________ energy.
- Corona discharge is related to the operation of a/an
- The two elements required to form substitutional solid solution should not have
- The mechanism which changes the value of manipulated variable in response to the output signal from…
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
- __________ furnace is generally used in the non-ferrous foundries.
- Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?
- Ammonia gas can be dried by
- The phenomenon occurring during explosion of a hydrogen bomb is
- __________ is the hardest material out of the following.
- The following type of bonding is strongly directional in solids.
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
- Multistage compression of air as compared to single stage compression offers the advantage of
- Lead is poured into the joint between two- __________ pipes.
- Fine grained steels have
- The process of removal of scale formed during hot rolling of steel is termed as